(kicad_sch (version 20230121) (generator eeschema)
  (paper "A4")
  (lib_symbols
    (symbol "Amplifier_Audio:LM386" (pin_names (offset 0.127)) (in_bom yes) (on_board yes)
      (property "Reference" "U" (at 1.27 7.62 0))
      (property "Value" "LM386" (at 1.27 5.08 0))
      (property "Footprint" "" (at 2.54 2.54 0))
      (property "Datasheet" "http://www.ti.com/lit/ds/symlink/lm386.pdf" (at 5.08 5.08 0))
      (property "ki_keywords" "single Power opamp" (at 0 0 0))
      (property "ki_description" "Low Voltage Audio Power Amplifier, DIP-8/SOIC-8/SSOP-8" (at 0 0 0))
      (property "ki_fp_filters" "SOIC*3.9x4.9mm*P1.27mm* DIP*W7.62mm* MSSOP*P0.65mm* TSSOP*3x3mm*P0.5mm*" (at 0 0 0))
      (symbol "LM386_0_1"
        (polyline
          (pts
            (xy 5.08 0)
            (xy -5.08 5.08)
            (xy -5.08 -5.08)
            (xy 5.08 0)
          )
          (fill (type background))
        )
      )
      (symbol "LM386_1_1"
        (pin input line (at 0 -7.62 90) (length 5.08)
          (name "GAIN")
          (number "1")
        )
        (pin input line (at -7.62 -2.54 0) (length 2.54)
          (name "-")
          (number "2")
        )
        (pin input line (at -7.62 2.54 0) (length 2.54)
          (name "+")
          (number "3")
        )
        (pin power_in line (at -2.54 -7.62 90) (length 3.81)
          (name "GND")
          (number "4")
        )
        (pin output line (at 7.62 0 180) (length 2.54)
          (name "~")
          (number "5")
        )
        (pin power_in line (at -2.54 7.62 270) (length 3.81)
          (name "V+")
          (number "6")
        )
        (pin input line (at 0 7.62 270) (length 5.08)
          (name "BYPASS")
          (number "7")
        )
        (pin input line (at 2.54 -7.62 90) (length 6.35)
          (name "GAIN")
          (number "8")
        )
      )
    )
    (symbol "Connector:Conn_01x03_Male" (pin_names (offset 1.016) hide) (in_bom yes) (on_board yes)
      (property "Reference" "J" (at 0 5.08 0))
      (property "Value" "Conn_01x03_Male" (at 0 -5.08 0))
      (property "Footprint" "" (at 0 0 0))
      (property "Datasheet" "~" (at 0 0 0))
      (property "ki_keywords" "connector" (at 0 0 0))
      (property "ki_description" "Generic connector, single row, 01x03, script generated (kicad-library-utils/schlib/autogen/connector/)" (at 0 0 0))
      (property "ki_fp_filters" "Connector*:*_1x??_*" (at 0 0 0))
      (symbol "Conn_01x03_Male_1_1"
        (polyline
          (pts
            (xy 1.27 -2.54)
            (xy 0.8636 -2.54)
          )
          (fill (type none))
        )
        (polyline
          (pts
            (xy 1.27 0)
            (xy 0.8636 0)
          )
          (fill (type none))
        )
        (polyline
          (pts
            (xy 1.27 2.54)
            (xy 0.8636 2.54)
          )
          (fill (type none))
        )
        (rectangle (start 0.8636 -2.413) (end 0 -2.667)
          (fill (type outline))
        )
        (rectangle (start 0.8636 0.127) (end 0 -0.127)
          (fill (type outline))
        )
        (rectangle (start 0.8636 2.667) (end 0 2.413)
          (fill (type outline))
        )
        (pin passive line (at 5.08 2.54 180) (length 3.81)
          (name "Pin_1")
          (number "1")
        )
        (pin passive line (at 5.08 0 180) (length 3.81)
          (name "Pin_2")
          (number "2")
        )
        (pin passive line (at 5.08 -2.54 180) (length 3.81)
          (name "Pin_3")
          (number "3")
        )
      )
    )
    (symbol "Device:Battery" (pin_numbers hide) (pin_names (offset 0) hide) (in_bom yes) (on_board yes)
      (property "Reference" "BT" (at 2.54 2.54 0))
      (property "Value" "Battery" (at 2.54 0 0))
      (property "Footprint" "" (at 0 1.524 90))
      (property "Datasheet" "~" (at 0 1.524 90))
      (property "ki_keywords" "batt voltage-source cell" (at 0 0 0))
      (property "ki_description" "Multiple-cell battery" (at 0 0 0))
      (symbol "Battery_0_1"
        (rectangle (start -2.032 -1.397) (end 2.032 -1.651)
          (fill (type outline))
        )
        (rectangle (start -2.032 1.778) (end 2.032 1.524)
          (fill (type outline))
        )
        (rectangle (start -1.3208 -1.9812) (end 1.27 -2.4892)
          (fill (type outline))
        )
        (rectangle (start -1.3208 1.1938) (end 1.27 0.6858)
          (fill (type outline))
        )
        (polyline
          (pts
            (xy 0 -1.524)
            (xy 0 -1.27)
          )
          (fill (type none))
        )
        (polyline
          (pts
            (xy 0 -1.016)
            (xy 0 -0.762)
          )
          (fill (type none))
        )
        (polyline
          (pts
            (xy 0 -0.508)
            (xy 0 -0.254)
          )
          (fill (type none))
        )
        (polyline
          (pts
            (xy 0 0)
            (xy 0 0.254)
          )
          (fill (type none))
        )
        (polyline
          (pts
            (xy 0 0.508)
            (xy 0 0.762)
          )
          (fill (type none))
        )
        (polyline
          (pts
            (xy 0 1.778)
            (xy 0 2.54)
          )
          (fill (type none))
        )
        (polyline
          (pts
            (xy 0.254 2.667)
            (xy 1.27 2.667)
          )
          (fill (type none))
        )
        (polyline
          (pts
            (xy 0.762 3.175)
            (xy 0.762 2.159)
          )
          (fill (type none))
        )
      )
      (symbol "Battery_1_1"
        (pin passive line (at 0 5.08 270) (length 2.54)
          (name "+")
          (number "1")
        )
        (pin passive line (at 0 -5.08 90) (length 2.54)
          (name "-")
          (number "2")
        )
      )
    )
    (symbol "Device:C" (pin_numbers hide) (pin_names (offset 0.254)) (in_bom yes) (on_board yes)
      (property "Reference" "C" (at 0.635 2.54 0))
      (property "Value" "C" (at 0.635 -2.54 0))
      (property "Footprint" "" (at 0.9652 -3.81 0))
      (property "Datasheet" "~" (at 0 0 0))
      (property "ki_keywords" "cap capacitor" (at 0 0 0))
      (property "ki_description" "Unpolarized capacitor" (at 0 0 0))
      (property "ki_fp_filters" "C_*" (at 0 0 0))
      (symbol "C_0_1"
        (polyline
          (pts
            (xy -2.032 -0.762)
            (xy 2.032 -0.762)
          )
          (fill (type none))
        )
        (polyline
          (pts
            (xy -2.032 0.762)
            (xy 2.032 0.762)
          )
          (fill (type none))
        )
      )
      (symbol "C_1_1"
        (pin passive line (at 0 3.81 270) (length 2.794)
          (name "~")
          (number "1")
        )
        (pin passive line (at 0 -3.81 90) (length 2.794)
          (name "~")
          (number "2")
        )
      )
    )
    (symbol "Device:C_Polarized" (pin_numbers hide) (pin_names (offset 0.254)) (in_bom yes) (on_board yes)
      (property "Reference" "C" (at 0.635 2.54 0))
      (property "Value" "C_Polarized" (at 0.635 -2.54 0))
      (property "Footprint" "" (at 0.9652 -3.81 0))
      (property "Datasheet" "~" (at 0 0 0))
      (property "ki_keywords" "cap capacitor" (at 0 0 0))
      (property "ki_description" "Polarized capacitor" (at 0 0 0))
      (property "ki_fp_filters" "CP_*" (at 0 0 0))
      (symbol "C_Polarized_0_1"
        (rectangle (start -2.286 0.508) (end 2.286 1.016)
          (fill (type none))
        )
        (polyline
          (pts
            (xy -1.778 2.286)
            (xy -0.762 2.286)
          )
          (fill (type none))
        )
        (polyline
          (pts
            (xy -1.27 2.794)
            (xy -1.27 1.778)
          )
          (fill (type none))
        )
        (rectangle (start 2.286 -0.508) (end -2.286 -1.016)
          (fill (type outline))
        )
      )
      (symbol "C_Polarized_1_1"
        (pin passive line (at 0 3.81 270) (length 2.794)
          (name "~")
          (number "1")
        )
        (pin passive line (at 0 -3.81 90) (length 2.794)
          (name "~")
          (number "2")
        )
      )
    )
    (symbol "Device:Microphone_Condenser" (pin_names (offset 0.0254) hide) (in_bom yes) (on_board yes)
      (property "Reference" "MK" (at -3.302 1.27 0))
      (property "Value" "Microphone_Condenser" (at -3.302 -0.635 0))
      (property "Footprint" "" (at 0 2.54 90))
      (property "Datasheet" "~" (at 0 2.54 90))
      (property "ki_keywords" "capacitance condenser microphone" (at 0 0 0))
      (property "ki_description" "Condenser microphone" (at 0 0 0))
      (symbol "Microphone_Condenser_0_1"
        (polyline
          (pts
            (xy -2.54 2.54)
            (xy -2.54 -2.54)
          )
          (fill (type none))
        )
        (polyline
          (pts
            (xy 0 -0.762)
            (xy 0 -1.524)
          )
          (fill (type none))
        )
        (polyline
          (pts
            (xy 0 0.762)
            (xy 0 1.524)
          )
          (fill (type none))
        )
        (polyline
          (pts
            (xy 0.254 3.81)
            (xy 0.762 3.81)
          )
          (fill (type none))
        )
        (polyline
          (pts
            (xy 0.508 4.064)
            (xy 0.508 3.556)
          )
          (fill (type none))
        )
        (circle (center 0 0) (radius 2.54)
          (fill (type none))
        )
        (rectangle (start 1.016 -0.254) (end -1.016 -0.762)
          (fill (type outline))
        )
        (rectangle (start 1.016 0.762) (end -1.016 0.254)
          (fill (type outline))
        )
      )
      (symbol "Microphone_Condenser_1_1"
        (pin passive line (at 0 -5.08 90) (length 2.54)
          (name "-")
          (number "1")
        )
        (pin passive line (at 0 5.08 270) (length 2.54)
          (name "+")
          (number "2")
        )
      )
    )
    (symbol "Device:R" (pin_numbers hide) (pin_names (offset 0)) (in_bom yes) (on_board yes)
      (property "Reference" "R" (at 2.032 0 90))
      (property "Value" "R" (at 0 0 90))
      (property "Footprint" "" (at -1.778 0 90))
      (property "Datasheet" "~" (at 0 0 0))
      (property "ki_keywords" "R res resistor" (at 0 0 0))
      (property "ki_description" "Resistor" (at 0 0 0))
      (property "ki_fp_filters" "R_*" (at 0 0 0))
      (symbol "R_0_1"
        (rectangle (start -1.016 -2.54) (end 1.016 2.54)
          (fill (type none))
        )
      )
      (symbol "R_1_1"
        (pin passive line (at 0 3.81 270) (length 1.27)
          (name "~")
          (number "1")
        )
        (pin passive line (at 0 -3.81 90) (length 1.27)
          (name "~")
          (number "2")
        )
      )
    )
    (symbol "Device:R_Potentiometer" (pin_names (offset 1.016) hide) (in_bom yes) (on_board yes)
      (property "Reference" "RV" (at -4.445 0 90))
      (property "Value" "R_Potentiometer" (at -2.54 0 90))
      (property "Footprint" "" (at 0 0 0))
      (property "Datasheet" "~" (at 0 0 0))
      (property "ki_keywords" "resistor variable" (at 0 0 0))
      (property "ki_description" "Potentiometer" (at 0 0 0))
      (property "ki_fp_filters" "Potentiometer*" (at 0 0 0))
      (symbol "R_Potentiometer_0_1"
        (polyline
          (pts
            (xy 2.54 0)
            (xy 1.524 0)
          )
          (fill (type none))
        )
        (polyline
          (pts
            (xy 1.143 0)
            (xy 2.286 0.508)
            (xy 2.286 -0.508)
            (xy 1.143 0)
          )
          (fill (type outline))
        )
        (rectangle (start 1.016 2.54) (end -1.016 -2.54)
          (fill (type none))
        )
      )
      (symbol "R_Potentiometer_1_1"
        (pin passive line (at 0 3.81 270) (length 1.27)
          (name "1")
          (number "1")
        )
        (pin passive line (at 3.81 0 180) (length 1.27)
          (name "2")
          (number "2")
        )
        (pin passive line (at 0 -3.81 90) (length 1.27)
          (name "3")
          (number "3")
        )
      )
    )
    (symbol "Regulator_Linear:L78L05_TO92" (pin_names (offset 0.254)) (in_bom yes) (on_board yes)
      (property "Reference" "U" (at -3.81 3.175 0))
      (property "Value" "L78L05_TO92" (at 0 3.175 0))
      (property "Footprint" "Package_TO_SOT_THT:TO-92_Inline" (at 0 5.715 0))
      (property "Datasheet" "http://www.st.com/content/ccc/resource/technical/document/datasheet/15/55/e5/aa/23/5b/43/fd/CD00000446.pdf/files/CD00000446.pdf/jcr:content/translations/en.CD00000446.pdf" (at 0 -1.27 0))
      (property "ki_keywords" "Voltage Regulator 100mA Positive" (at 0 0 0))
      (property "ki_description" "Positive 100mA 30V Linear Regulator, Fixed Output 5V, TO-92" (at 0 0 0))
      (property "ki_fp_filters" "TO?92*" (at 0 0 0))
      (symbol "L78L05_TO92_0_1"
        (rectangle (start -5.08 -5.08) (end 5.08 1.905)
          (fill (type background))
        )
      )
      (symbol "L78L05_TO92_1_1"
        (pin power_out line (at 7.62 0 180) (length 2.54)
          (name "VO")
          (number "1")
        )
        (pin power_in line (at 0 -7.62 90) (length 2.54)
          (name "GND")
          (number "2")
        )
        (pin power_in line (at -7.62 0 0) (length 2.54)
          (name "VI")
          (number "3")
        )
      )
    )
    (symbol "Regulator_Switching:NMA0515SC" (in_bom yes) (on_board yes)
      (property "Reference" "U" (at -10.16 8.89 0))
      (property "Value" "NMA0515SC" (at 0 8.89 0))
      (property "Footprint" "Converter_DCDC:Converter_DCDC_Murata_NMAxxxxSC_THT" (at 0 -8.89 0))
      (property "Datasheet" "http://power.murata.com/data/power/ncl/kdc_nma.pdf" (at 0 0 0))
      (property "ki_keywords" "Murata isolated isolation dc-dc converter" (at 0 0 0))
      (property "ki_description" "+/-33mA Isolated 1W Dual output DC/DC Converter Module, 5V Input Voltage, +/-15V Output Voltage, SIP3" (at 0 0 0))
      (property "ki_fp_filters" "Converter*DCDC*Murata*NMAxxxxSC*" (at 0 0 0))
      (symbol "NMA0515SC_0_1"
        (rectangle (start -10.16 7.62) (end 10.16 -7.62)
          (fill (type background))
        )
        (polyline
          (pts
            (xy -1.27 -5.08)
            (xy -1.27 -6.35)
          )
          (fill (type none))
        )
        (polyline
          (pts
            (xy -1.27 -2.54)
            (xy -1.27 -3.81)
          )
          (fill (type none))
        )
        (polyline
          (pts
            (xy -1.27 0)
            (xy -1.27 -1.27)
          )
          (fill (type none))
        )
        (polyline
          (pts
            (xy -1.27 2.54)
            (xy -1.27 1.27)
          )
          (fill (type none))
        )
        (polyline
          (pts
            (xy -1.27 5.08)
            (xy -1.27 3.81)
          )
          (fill (type none))
        )
        (polyline
          (pts
            (xy -1.27 7.62)
            (xy -1.27 6.35)
          )
          (fill (type none))
        )
        (polyline
          (pts
            (xy 0 -7.62)
            (xy 0 -6.35)
          )
          (fill (type none))
        )
        (polyline
          (pts
            (xy 0 -5.08)
            (xy 0 -3.81)
          )
          (fill (type none))
        )
        (polyline
          (pts
            (xy 0 -1.27)
            (xy 0 -2.54)
          )
          (fill (type none))
        )
        (polyline
          (pts
            (xy 0 0)
            (xy 0 1.27)
          )
          (fill (type none))
        )
        (polyline
          (pts
            (xy 0 2.54)
            (xy 0 3.81)
          )
          (fill (type none))
        )
        (polyline
          (pts
            (xy 0 5.08)
            (xy 0 6.35)
          )
          (fill (type none))
        )
      )
      (symbol "NMA0515SC_1_1"
        (pin power_in line (at -12.7 5.08 0) (length 2.54)
          (name "VIN+")
          (number "1")
        )
        (pin power_in line (at -12.7 -5.08 0) (length 2.54)
          (name "VIN-")
          (number "2")
        )
        (pin power_out line (at 12.7 -5.08 180) (length 2.54)
          (name "VOUT-")
          (number "4")
        )
        (pin power_out line (at 12.7 0 180) (length 2.54)
          (name "0V")
          (number "5")
        )
        (pin power_out line (at 12.7 5.08 180) (length 2.54)
          (name "VOUT+")
          (number "6")
        )
      )
    )
    (symbol "Transistor_BJT:BC108" (pin_names (offset 0) hide) (in_bom yes) (on_board yes)
      (property "Reference" "Q" (at 5.08 1.905 0))
      (property "Value" "BC108" (at 5.08 0 0))
      (property "Footprint" "Package_TO_SOT_THT:TO-18-3" (at 5.08 -1.905 0))
      (property "Datasheet" "http://www.b-kainka.de/Daten/Transistor/BC108.pdf" (at 0 0 0))
      (property "ki_keywords" "NPN low noise transistor" (at 0 0 0))
      (property "ki_description" "0.1A Ic, 30V Vce, Low Noise General Purpose NPN Transistor, TO-18" (at 0 0 0))
      (property "ki_fp_filters" "TO?18*" (at 0 0 0))
      (symbol "BC108_0_1"
        (polyline
          (pts
            (xy 0.635 0.635)
            (xy 2.54 2.54)
          )
          (fill (type none))
        )
        (polyline
          (pts
            (xy 0.635 -0.635)
            (xy 2.54 -2.54)
            (xy 2.54 -2.54)
          )
          (fill (type none))
        )
        (polyline
          (pts
            (xy 0.635 1.905)
            (xy 0.635 -1.905)
            (xy 0.635 -1.905)
          )
          (fill (type none))
        )
        (polyline
          (pts
            (xy 1.27 -1.778)
            (xy 1.778 -1.27)
            (xy 2.286 -2.286)
            (xy 1.27 -1.778)
            (xy 1.27 -1.778)
          )
          (fill (type outline))
        )
        (circle (center 1.27 0) (radius 2.8194)
          (fill (type none))
        )
      )
      (symbol "BC108_1_1"
        (pin passive line (at 2.54 -5.08 90) (length 2.54)
          (name "E")
          (number "1")
        )
        (pin input line (at -5.08 0 0) (length 5.715)
          (name "B")
          (number "2")
        )
        (pin passive line (at 2.54 5.08 270) (length 2.54)
          (name "C")
          (number "3")
        )
      )
    )
    (symbol "power:+15V" (power) (pin_names (offset 0)) (in_bom yes) (on_board yes)
      (property "Reference" "#PWR" (at 0 -3.81 0))
      (property "Value" "+15V" (at 0 3.556 0))
      (property "Footprint" "" (at 0 0 0))
      (property "Datasheet" "" (at 0 0 0))
      (property "ki_keywords" "global power" (at 0 0 0))
      (property "ki_description" "Power symbol creates a global label with name \"+15V\"" (at 0 0 0))
      (symbol "+15V_0_1"
        (polyline
          (pts
            (xy -0.762 1.27)
            (xy 0 2.54)
          )
          (fill (type none))
        )
        (polyline
          (pts
            (xy 0 0)
            (xy 0 2.54)
          )
          (fill (type none))
        )
        (polyline
          (pts
            (xy 0 2.54)
            (xy 0.762 1.27)
          )
          (fill (type none))
        )
      )
      (symbol "+15V_1_1"
        (pin power_in line (at 0 0 90) (length 0) hide
          (name "+15V")
          (number "1")
        )
      )
    )
    (symbol "power:-15V" (power) (pin_names (offset 0)) (in_bom yes) (on_board yes)
      (property "Reference" "#PWR" (at 0 2.54 0))
      (property "Value" "-15V" (at 0 3.81 0))
      (property "Footprint" "" (at 0 0 0))
      (property "Datasheet" "" (at 0 0 0))
      (property "ki_keywords" "global power" (at 0 0 0))
      (property "ki_description" "Power symbol creates a global label with name \"-15V\"" (at 0 0 0))
      (symbol "-15V_0_0"
        (pin power_in line (at 0 0 90) (length 0) hide
          (name "-15V")
          (number "1")
        )
      )
      (symbol "-15V_0_1"
        (polyline
          (pts
            (xy 0 0)
            (xy 0 1.27)
            (xy 0.762 1.27)
            (xy 0 2.54)
            (xy -0.762 1.27)
            (xy 0 1.27)
          )
          (fill (type outline))
        )
      )
    )
    (symbol "power:GND" (power) (pin_names (offset 0)) (in_bom yes) (on_board yes)
      (property "Reference" "#PWR" (at 0 -6.35 0))
      (property "Value" "GND" (at 0 -3.81 0))
      (property "Footprint" "" (at 0 0 0))
      (property "Datasheet" "" (at 0 0 0))
      (property "ki_keywords" "global power" (at 0 0 0))
      (property "ki_description" "Power symbol creates a global label with name \"GND\" , ground" (at 0 0 0))
      (symbol "GND_0_1"
        (polyline
          (pts
            (xy 0 0)
            (xy 0 -1.27)
            (xy 1.27 -1.27)
            (xy 0 -2.54)
            (xy -1.27 -1.27)
            (xy 0 -1.27)
          )
          (fill (type none))
        )
      )
      (symbol "GND_1_1"
        (pin power_in line (at 0 0 270) (length 0) hide
          (name "GND")
          (number "1")
        )
      )
    )
    (symbol "power:VDD" (power) (pin_names (offset 0)) (in_bom yes) (on_board yes)
      (property "Reference" "#PWR" (at 0 -3.81 0))
      (property "Value" "VDD" (at 0 3.81 0))
      (property "Footprint" "" (at 0 0 0))
      (property "Datasheet" "" (at 0 0 0))
      (property "ki_keywords" "global power" (at 0 0 0))
      (property "ki_description" "Power symbol creates a global label with name \"VDD\"" (at 0 0 0))
      (symbol "VDD_0_1"
        (polyline
          (pts
            (xy -0.762 1.27)
            (xy 0 2.54)
          )
          (fill (type none))
        )
        (polyline
          (pts
            (xy 0 0)
            (xy 0 2.54)
          )
          (fill (type none))
        )
        (polyline
          (pts
            (xy 0 2.54)
            (xy 0.762 1.27)
          )
          (fill (type none))
        )
      )
      (symbol "VDD_1_1"
        (pin power_in line (at 0 0 90) (length 0) hide
          (name "VDD")
          (number "1")
        )
      )
    )
  )
  (junction (at 49.53 52.07) (diameter 0) (color 0 0 0 0))
  (junction (at 62.23 67.31) (diameter 0) (color 0 0 0 0))
  (junction (at 204.47 59.69) (diameter 0) (color 0 0 0 0))
  (junction (at 123.19 78.74) (diameter 0) (color 0 0 0 0))
  (junction (at 81.28 78.74) (diameter 0) (color 0 0 0 0))
  (junction (at 71.12 52.07) (diameter 0) (color 0 0 0 0))
  (junction (at 81.28 52.07) (diameter 0) (color 0 0 0 0))
  (junction (at 165.1 57.15) (diameter 0) (color 0 0 0 0))
  (junction (at 123.19 60.96) (diameter 0) (color 0 0 0 0))
  (junction (at 204.47 85.09) (diameter 0) (color 0 0 0 0))
  (junction (at 133.35 96.52) (diameter 0) (color 0 0 0 0))
  (junction (at 135.89 72.39) (diameter 0) (color 0 0 0 0))
  (junction (at 135.89 83.82) (diameter 0) (color 0 0 0 0))
  (junction (at 60.96 67.31) (diameter 0) (color 0 0 0 0))
  (junction (at 123.19 72.39) (diameter 0) (color 0 0 0 0))
  (wire (pts (xy 179.07 106.68) (xy 179.07 104.14)))
  (wire (pts (xy 49.53 59.69) (xy 49.53 52.07)))
  (wire (pts (xy 165.1 57.15) (xy 173.99 57.15)))
  (wire (pts (xy 60.96 72.39) (xy 60.96 67.31)))
  (wire (pts (xy 181.61 71.12) (xy 182.88 71.12)))
  (wire (pts (xy 152.4 66.04) (xy 148.59 66.04)))
  (wire (pts (xy 81.28 78.74) (xy 85.09 78.74)))
  (wire (pts (xy 148.59 66.04) (xy 148.59 72.39)))
  (wire (pts (xy 49.53 67.31) (xy 60.96 67.31)))
  (wire (pts (xy 123.19 78.74) (xy 128.27 78.74)))
  (wire (pts (xy 204.47 96.52) (xy 189.23 96.52)))
  (wire (pts (xy 172.72 106.68) (xy 179.07 106.68)))
  (wire (pts (xy 123.19 60.96) (xy 135.89 60.96)))
  (wire (pts (xy 123.19 72.39) (xy 123.19 78.74)))
  (wire (pts (xy 123.19 78.74) (xy 123.19 88.9)))
  (wire (pts (xy 165.1 57.15) (xy 165.1 99.06)))
  (wire (pts (xy 60.96 67.31) (xy 62.23 67.31)))
  (wire (pts (xy 49.53 52.07) (xy 54.61 52.07)))
  (wire (pts (xy 204.47 71.12) (xy 204.47 74.93)))
  (wire (pts (xy 71.12 52.07) (xy 81.28 52.07)))
  (wire (pts (xy 81.28 90.17) (xy 81.28 93.98)))
  (wire (pts (xy 123.19 58.42) (xy 123.19 60.96)))
  (wire (pts (xy 189.23 71.12) (xy 189.23 67.31)))
  (wire (pts (xy 123.19 72.39) (xy 128.27 72.39)))
  (wire (pts (xy 123.19 71.12) (xy 123.19 72.39)))
  (wire (pts (xy 81.28 77.47) (xy 81.28 78.74)))
  (wire (pts (xy 71.12 59.69) (xy 71.12 52.07)))
  (wire (pts (xy 62.23 67.31) (xy 71.12 67.31)))
  (wire (pts (xy 204.47 59.69) (xy 234.95 59.69)))
  (wire (pts (xy 165.1 99.06) (xy 173.99 99.06)))
  (wire (pts (xy 97.79 29.21) (xy 101.6 29.21)))
  (wire (pts (xy 133.35 96.52) (xy 140.97 96.52)))
  (wire (pts (xy 231.14 71.12) (xy 234.95 71.12)))
  (wire (pts (xy 81.28 78.74) (xy 81.28 80.01)))
  (wire (pts (xy 189.23 59.69) (xy 204.47 59.69)))
  (wire (pts (xy 234.95 59.69) (xy 234.95 68.58)))
  (wire (pts (xy 172.72 71.12) (xy 179.07 71.12)))
  (wire (pts (xy 135.89 72.39) (xy 135.89 73.66)))
  (wire (pts (xy 111.76 60.96) (xy 123.19 60.96)))
  (wire (pts (xy 38.1 52.07) (xy 49.53 52.07)))
  (wire (pts (xy 111.76 63.5) (xy 111.76 60.96)))
  (wire (pts (xy 140.97 88.9) (xy 140.97 83.82)))
  (wire (pts (xy 135.89 71.12) (xy 135.89 72.39)))
  (wire (pts (xy 97.79 39.37) (xy 101.6 39.37)))
  (wire (pts (xy 181.61 67.31) (xy 181.61 71.12)))
  (wire (pts (xy 182.88 78.74) (xy 189.23 78.74)))
  (wire (pts (xy 71.12 52.07) (xy 69.85 52.07)))
  (wire (pts (xy 156.21 62.23) (xy 156.21 57.15)))
  (wire (pts (xy 92.71 78.74) (xy 114.3 78.74)))
  (wire (pts (xy 38.1 62.23) (xy 38.1 69.85)))
  (wire (pts (xy 135.89 72.39) (xy 140.97 72.39)))
  (wire (pts (xy 123.19 96.52) (xy 133.35 96.52)))
  (wire (pts (xy 121.92 78.74) (xy 123.19 78.74)))
  (wire (pts (xy 204.47 59.69) (xy 204.47 63.5)))
  (wire (pts (xy 62.23 59.69) (xy 62.23 67.31)))
  (wire (pts (xy 135.89 60.96) (xy 135.89 63.5)))
  (wire (pts (xy 204.47 85.09) (xy 234.95 85.09)))
  (wire (pts (xy 133.35 88.9) (xy 133.35 83.82)))
  (wire (pts (xy 186.69 104.14) (xy 184.15 104.14)))
  (wire (pts (xy 123.19 60.96) (xy 123.19 63.5)))
  (wire (pts (xy 181.61 118.11) (xy 186.69 118.11)))
  (wire (pts (xy 179.07 71.12) (xy 179.07 67.31)))
  (wire (pts (xy 186.69 110.49) (xy 186.69 104.14)))
  (wire (pts (xy 140.97 83.82) (xy 135.89 83.82)))
  (wire (pts (xy 204.47 82.55) (xy 204.47 85.09)))
  (wire (pts (xy 234.95 85.09) (xy 234.95 73.66)))
  (wire (pts (xy 181.61 104.14) (xy 181.61 110.49)))
  (wire (pts (xy 133.35 96.52) (xy 133.35 100.33)))
  (wire (pts (xy 133.35 83.82) (xy 135.89 83.82)))
  (wire (pts (xy 189.23 67.31) (xy 184.15 67.31)))
  (wire (pts (xy 156.21 57.15) (xy 165.1 57.15)))
  (wire (pts (xy 81.28 52.07) (xy 81.28 69.85)))
  (wire (pts (xy 204.47 85.09) (xy 204.47 96.52)))
  (symbol (lib_id "power:-15V") (at 172.72 71.12 0) (unit 1)
    (in_bom yes) (on_board yes) (dnp no) (fields_autoplaced)
    (property "Reference" "#PWR04" (at 172.72 68.58 0))
    (property "Value" "-15V" (at 172.72 66.04 0))
    (property "Footprint" "" (at 172.72 71.12 0))
    (property "Datasheet" "" (at 172.72 71.12 0))
    (pin "1")
    (instances
      (project "amp"
        (path
          (reference "#PWR04") (unit 1)
        )
      )
    )
  )
  (symbol (lib_id "power:GND") (at 133.35 100.33 0) (unit 1)
    (in_bom yes) (on_board yes) (dnp no) (fields_autoplaced)
    (property "Reference" "#PWR0110" (at 133.35 106.68 0))
    (property "Value" "GND" (at 133.35 105.41 0))
    (property "Footprint" "" (at 133.35 100.33 0))
    (property "Datasheet" "" (at 133.35 100.33 0))
    (pin "1")
    (instances
      (project "amp"
        (path
          (reference "#PWR0110") (unit 1)
        )
      )
    )
  )
  (symbol (lib_id "Device:C_Polarized") (at 111.76 67.31 0) (unit 1)
    (in_bom yes) (on_board yes) (dnp no)
    (property "Reference" "C11" (at 105.41 67.31 0))
    (property "Value" "100u" (at 105.41 69.85 0))
    (property "Footprint" "Capacitor_THT:CP_Radial_D6.3mm_P2.50mm" (at 112.7252 71.12 0))
    (property "Datasheet" "~" (at 111.76 67.31 0))
    (pin "1")
    (pin "2")
    (instances
      (project "amp"
        (path
          (reference "C11") (unit 1)
        )
      )
    )
  )
  (symbol (lib_id "Device:C_Polarized") (at 182.88 74.93 0) (unit 1)
    (in_bom yes) (on_board yes) (dnp no)
    (property "Reference" "C6" (at 182.88 72.39 0))
    (property "Value" "10uf" (at 182.88 77.47 0))
    (property "Footprint" "Capacitor_THT:CP_Radial_D6.3mm_P2.50mm" (at 183.8452 78.74 0))
    (property "Datasheet" "~" (at 182.88 74.93 0))
    (pin "1")
    (pin "2")
    (instances
      (project "amp"
        (path
          (reference "C6") (unit 1)
        )
      )
    )
  )
  (symbol (lib_id "Device:C") (at 71.12 63.5 0) (unit 1)
    (in_bom yes) (on_board yes) (dnp no) (fields_autoplaced)
    (property "Reference" "C2" (at 74.93 62.2299 0))
    (property "Value" "1nf" (at 74.93 64.7699 0))
    (property "Footprint" "Capacitor_THT:C_Rect_L7.2mm_W3.0mm_P5.00mm_FKS2_FKP2_MKS2_MKP2" (at 72.0852 67.31 0))
    (property "Datasheet" "~" (at 71.12 63.5 0))
    (pin "1")
    (pin "2")
    (instances
      (project "amp"
        (path
          (reference "C2") (unit 1)
        )
      )
    )
  )
  (symbol (lib_id "Device:R") (at 189.23 74.93 0) (unit 1)
    (in_bom yes) (on_board yes) (dnp no) (fields_autoplaced)
    (property "Reference" "R4" (at 191.77 73.6599 0))
    (property "Value" "1.2K" (at 191.77 76.1999 0))
    (property "Footprint" "Resistor_THT:R_Axial_DIN0204_L3.6mm_D1.6mm_P7.62mm_Horizontal" (at 187.452 74.93 90))
    (property "Datasheet" "~" (at 189.23 74.93 0))
    (pin "1")
    (pin "2")
    (instances
      (project "amp"
        (path
          (reference "R4") (unit 1)
        )
      )
    )
  )
  (symbol (lib_id "power:VDD") (at 127 29.21 0) (unit 1)
    (in_bom yes) (on_board yes) (dnp no) (fields_autoplaced)
    (property "Reference" "#PWR01" (at 127 33.02 0))
    (property "Value" "VDD" (at 127 24.13 0))
    (property "Footprint" "" (at 127 29.21 0))
    (property "Datasheet" "" (at 127 29.21 0))
    (pin "1")
    (instances
      (project "amp"
        (path
          (reference "#PWR01") (unit 1)
        )
      )
    )
  )
  (symbol (lib_id "Device:R") (at 135.89 67.31 0) (unit 1)
    (in_bom yes) (on_board yes) (dnp no) (fields_autoplaced)
    (property "Reference" "R7" (at 138.43 66.0399 0))
    (property "Value" "10k" (at 138.43 68.5799 0))
    (property "Footprint" "Resistor_THT:R_Axial_DIN0204_L3.6mm_D1.6mm_P7.62mm_Horizontal" (at 134.112 67.31 90))
    (property "Datasheet" "~" (at 135.89 67.31 0))
    (pin "1")
    (pin "2")
    (instances
      (project "amp"
        (path
          (reference "R7") (unit 1)
        )
      )
    )
  )
  (symbol (lib_id "power:GND") (at 156.21 69.85 0) (unit 1)
    (in_bom yes) (on_board yes) (dnp no) (fields_autoplaced)
    (property "Reference" "#PWR08" (at 156.21 76.2 0))
    (property "Value" "GND" (at 156.21 74.93 0))
    (property "Footprint" "" (at 156.21 69.85 0))
    (property "Datasheet" "" (at 156.21 69.85 0))
    (pin "1")
    (instances
      (project "amp"
        (path
          (reference "#PWR08") (unit 1)
        )
      )
    )
  )
  (symbol (lib_id "power:-15V") (at 172.72 106.68 0) (unit 1)
    (in_bom yes) (on_board yes) (dnp no) (fields_autoplaced)
    (property "Reference" "#PWR05" (at 172.72 104.14 0))
    (property "Value" "-15V" (at 172.72 101.6 0))
    (property "Footprint" "" (at 172.72 106.68 0))
    (property "Datasheet" "" (at 172.72 106.68 0))
    (pin "1")
    (instances
      (project "amp"
        (path
          (reference "#PWR05") (unit 1)
        )
      )
    )
  )
  (symbol (lib_id "Device:R") (at 81.28 73.66 0) (unit 1)
    (in_bom yes) (on_board yes) (dnp no)
    (property "Reference" "R1" (at 83.82 72.3899 0))
    (property "Value" "2.2k" (at 83.82 74.9299 0))
    (property "Footprint" "Resistor_THT:R_Axial_DIN0204_L3.6mm_D1.6mm_P7.62mm_Horizontal" (at 79.502 73.66 90))
    (property "Datasheet" "~" (at 81.28 73.66 0))
    (pin "1")
    (pin "2")
    (instances
      (project "amp"
        (path
          (reference "R1") (unit 1)
        )
      )
    )
  )
  (symbol (lib_id "power:-15V") (at 97.79 39.37 0) (unit 1)
    (in_bom yes) (on_board yes) (dnp no) (fields_autoplaced)
    (property "Reference" "#PWR03" (at 97.79 36.83 0))
    (property "Value" "-15V" (at 97.79 34.29 0))
    (property "Footprint" "" (at 97.79 39.37 0))
    (property "Datasheet" "" (at 97.79 39.37 0))
    (pin "1")
    (instances
      (project "amp"
        (path
          (reference "#PWR03") (unit 1)
        )
      )
    )
  )
  (symbol (lib_id "Device:R") (at 123.19 92.71 0) (unit 1)
    (in_bom yes) (on_board yes) (dnp no) (fields_autoplaced)
    (property "Reference" "R6" (at 125.73 91.4399 0))
    (property "Value" "10k" (at 125.73 93.9799 0))
    (property "Footprint" "Resistor_THT:R_Axial_DIN0204_L3.6mm_D1.6mm_P7.62mm_Horizontal" (at 121.412 92.71 90))
    (property "Datasheet" "~" (at 123.19 92.71 0))
    (pin "1")
    (pin "2")
    (instances
      (project "amp"
        (path
          (reference "R6") (unit 1)
        )
      )
    )
  )
  (symbol (lib_id "Device:R") (at 133.35 92.71 0) (unit 1)
    (in_bom yes) (on_board yes) (dnp no)
    (property "Reference" "R8" (at 134.62 91.44 0))
    (property "Value" "330" (at 134.62 93.98 0))
    (property "Footprint" "Resistor_THT:R_Axial_DIN0204_L3.6mm_D1.6mm_P7.62mm_Horizontal" (at 131.572 92.71 90))
    (property "Datasheet" "~" (at 133.35 92.71 0))
    (pin "1")
    (pin "2")
    (instances
      (project "amp"
        (path
          (reference "R8") (unit 1)
        )
      )
    )
  )
  (symbol (lib_id "power:VDD") (at 123.19 58.42 0) (unit 1)
    (in_bom yes) (on_board yes) (dnp no) (fields_autoplaced)
    (property "Reference" "#PWR0112" (at 123.19 62.23 0))
    (property "Value" "VDD" (at 123.19 53.34 0))
    (property "Footprint" "" (at 123.19 58.42 0))
    (property "Datasheet" "" (at 123.19 58.42 0))
    (pin "1")
    (instances
      (project "amp"
        (path
          (reference "#PWR0112") (unit 1)
        )
      )
    )
  )
  (symbol (lib_id "Transistor_BJT:BC108") (at 133.35 78.74 0) (unit 1)
    (in_bom yes) (on_board yes) (dnp no) (fields_autoplaced)
    (property "Reference" "Q1" (at 138.43 77.4699 0))
    (property "Value" "BC108" (at 138.43 80.0099 0))
    (property "Footprint" "Package_TO_SOT_THT:TO-18-3" (at 138.43 80.645 0))
    (property "Datasheet" "http://www.b-kainka.de/Daten/Transistor/BC108.pdf" (at 133.35 78.74 0))
    (pin "1")
    (pin "2")
    (pin "3")
    (instances
      (project "amp"
        (path
          (reference "Q1") (unit 1)
        )
      )
    )
  )
  (symbol (lib_id "power:GND") (at 38.1 69.85 0) (unit 1)
    (in_bom yes) (on_board yes) (dnp no) (fields_autoplaced)
    (property "Reference" "#PWR0102" (at 38.1 76.2 0))
    (property "Value" "GND" (at 38.1 74.93 0))
    (property "Footprint" "" (at 38.1 69.85 0))
    (property "Datasheet" "" (at 38.1 69.85 0))
    (pin "1")
    (instances
      (project "amp"
        (path
          (reference "#PWR0102") (unit 1)
        )
      )
    )
  )
  (symbol (lib_id "power:+15V") (at 179.07 88.9 0) (unit 1)
    (in_bom yes) (on_board yes) (dnp no) (fields_autoplaced)
    (property "Reference" "#PWR07" (at 179.07 92.71 0))
    (property "Value" "+15V" (at 179.07 83.82 0))
    (property "Footprint" "" (at 179.07 88.9 0))
    (property "Datasheet" "" (at 179.07 88.9 0))
    (pin "1")
    (instances
      (project "amp"
        (path
          (reference "#PWR07") (unit 1)
        )
      )
    )
  )
  (symbol (lib_id "power:+15V") (at 97.79 29.21 0) (unit 1)
    (in_bom yes) (on_board yes) (dnp no) (fields_autoplaced)
    (property "Reference" "#PWR02" (at 97.79 33.02 0))
    (property "Value" "+15V" (at 97.79 24.13 0))
    (property "Footprint" "" (at 97.79 29.21 0))
    (property "Datasheet" "" (at 97.79 29.21 0))
    (pin "1")
    (instances
      (project "amp"
        (path
          (reference "#PWR02") (unit 1)
        )
      )
    )
  )
  (symbol (lib_id "Device:Microphone_Condenser") (at 81.28 85.09 0) (unit 1)
    (in_bom yes) (on_board yes) (dnp no) (fields_autoplaced)
    (property "Reference" "MK1" (at 85.09 83.1214 0))
    (property "Value" "mic1" (at 85.09 85.6614 0))
    (property "Footprint" "Connector_PinHeader_2.00mm:PinHeader_1x02_P2.00mm_Vertical" (at 81.28 82.55 90))
    (property "Datasheet" "~" (at 81.28 82.55 90))
    (pin "1")
    (pin "2")
    (instances
      (project "amp"
        (path
          (reference "MK1") (unit 1)
        )
      )
    )
  )
  (symbol (lib_id "power:GND") (at 231.14 71.12 0) (unit 1)
    (in_bom yes) (on_board yes) (dnp no) (fields_autoplaced)
    (property "Reference" "#PWR0109" (at 231.14 77.47 0))
    (property "Value" "GND" (at 231.14 76.2 0))
    (property "Footprint" "" (at 231.14 71.12 0))
    (property "Datasheet" "" (at 231.14 71.12 0))
    (pin "1")
    (instances
      (project "amp"
        (path
          (reference "#PWR0109") (unit 1)
        )
      )
    )
  )
  (symbol (lib_id "power:+15V") (at 179.07 52.07 0) (unit 1)
    (in_bom yes) (on_board yes) (dnp no)
    (property "Reference" "#PWR06" (at 179.07 55.88 0))
    (property "Value" "+15V" (at 179.07 48.26 0))
    (property "Footprint" "" (at 179.07 52.07 0))
    (property "Datasheet" "" (at 179.07 52.07 0))
    (pin "1")
    (instances
      (project "amp"
        (path
          (reference "#PWR06") (unit 1)
        )
      )
    )
  )
  (symbol (lib_id "Device:C") (at 49.53 63.5 0) (unit 1)
    (in_bom yes) (on_board yes) (dnp no) (fields_autoplaced)
    (property "Reference" "C1" (at 53.34 62.2299 0))
    (property "Value" "33nf" (at 53.34 64.7699 0))
    (property "Footprint" "Capacitor_THT:C_Rect_L7.2mm_W3.0mm_P5.00mm_FKS2_FKP2_MKS2_MKP2" (at 50.4952 67.31 0))
    (property "Datasheet" "~" (at 49.53 63.5 0))
    (pin "1")
    (pin "2")
    (instances
      (project "amp"
        (path
          (reference "C1") (unit 1)
        )
      )
    )
  )
  (symbol (lib_id "Device:C") (at 132.08 72.39 90) (unit 1)
    (in_bom yes) (on_board yes) (dnp no)
    (property "Reference" "C8" (at 129.54 76.2 90))
    (property "Value" "220p" (at 128.27 73.66 90))
    (property "Footprint" "Capacitor_THT:C_Rect_L7.2mm_W2.5mm_P5.00mm_FKS2_FKP2_MKS2_MKP2" (at 135.89 71.4248 0))
    (property "Datasheet" "~" (at 132.08 72.39 0))
    (pin "1")
    (pin "2")
    (instances
      (project "amp"
        (path
          (reference "C8") (unit 1)
        )
      )
    )
  )
  (symbol (lib_id "Device:R") (at 186.69 114.3 0) (unit 1)
    (in_bom yes) (on_board yes) (dnp no) (fields_autoplaced)
    (property "Reference" "R3" (at 189.23 113.0299 0))
    (property "Value" "1.2K" (at 189.23 115.5699 0))
    (property "Footprint" "Resistor_THT:R_Axial_DIN0204_L3.6mm_D1.6mm_P7.62mm_Horizontal" (at 184.912 114.3 90))
    (property "Datasheet" "~" (at 186.69 114.3 0))
    (pin "1")
    (pin "2")
    (instances
      (project "amp"
        (path
          (reference "R3") (unit 1)
        )
      )
    )
  )
  (symbol (lib_id "power:VDD") (at 81.28 52.07 0) (unit 1)
    (in_bom yes) (on_board yes) (dnp no) (fields_autoplaced)
    (property "Reference" "#PWR0103" (at 81.28 55.88 0))
    (property "Value" "VDD" (at 81.28 46.99 0))
    (property "Footprint" "" (at 81.28 52.07 0))
    (property "Datasheet" "" (at 81.28 52.07 0))
    (pin "1")
    (instances
      (project "amp"
        (path
          (reference "#PWR0103") (unit 1)
        )
      )
    )
  )
  (symbol (lib_id "power:GND") (at 81.28 93.98 0) (unit 1)
    (in_bom yes) (on_board yes) (dnp no) (fields_autoplaced)
    (property "Reference" "#PWR0104" (at 81.28 100.33 0))
    (property "Value" "GND" (at 81.28 99.06 0))
    (property "Footprint" "" (at 81.28 93.98 0))
    (property "Datasheet" "" (at 81.28 93.98 0))
    (pin "1")
    (instances
      (project "amp"
        (path
          (reference "#PWR0104") (unit 1)
        )
      )
    )
  )
  (symbol (lib_id "power:GND") (at 127 39.37 0) (unit 1)
    (in_bom yes) (on_board yes) (dnp no) (fields_autoplaced)
    (property "Reference" "#PWR09" (at 127 45.72 0))
    (property "Value" "GND" (at 127 44.45 0))
    (property "Footprint" "" (at 127 39.37 0))
    (property "Datasheet" "" (at 127 39.37 0))
    (pin "1")
    (instances
      (project "amp"
        (path
          (reference "#PWR09") (unit 1)
        )
      )
    )
  )
  (symbol (lib_id "Amplifier_Audio:LM386") (at 181.61 59.69 0) (unit 1)
    (in_bom yes) (on_board yes) (dnp no) (fields_autoplaced)
    (property "Reference" "U2" (at 191.77 54.991 0))
    (property "Value" "LM386" (at 191.77 57.531 0))
    (property "Footprint" "Package_DIP:DIP-8_W7.62mm_Socket" (at 184.15 57.15 0))
    (property "Datasheet" "http://www.ti.com/lit/ds/symlink/lm386.pdf" (at 186.69 54.61 0))
    (pin "1")
    (pin "2")
    (pin "3")
    (pin "4")
    (pin "5")
    (pin "6")
    (pin "7")
    (pin "8")
    (instances
      (project "amp"
        (path
          (reference "U2") (unit 1)
        )
      )
    )
  )
  (symbol (lib_id "Device:C") (at 88.9 78.74 90) (unit 1)
    (in_bom yes) (on_board yes) (dnp no) (fields_autoplaced)
    (property "Reference" "C3" (at 88.9 71.12 90))
    (property "Value" "1nf" (at 88.9 73.66 90))
    (property "Footprint" "Capacitor_THT:C_Rect_L7.2mm_W3.0mm_P5.00mm_FKS2_FKP2_MKS2_MKP2" (at 92.71 77.7748 0))
    (property "Datasheet" "~" (at 88.9 78.74 0))
    (pin "1")
    (pin "2")
    (instances
      (project "amp"
        (path
          (reference "C3") (unit 1)
        )
      )
    )
  )
  (symbol (lib_id "Device:R") (at 123.19 67.31 0) (unit 1)
    (in_bom yes) (on_board yes) (dnp no)
    (property "Reference" "R5" (at 124.46 66.04 0))
    (property "Value" "100k" (at 124.46 68.58 0))
    (property "Footprint" "Resistor_THT:R_Axial_DIN0204_L3.6mm_D1.6mm_P7.62mm_Horizontal" (at 121.412 67.31 90))
    (property "Datasheet" "~" (at 123.19 67.31 0))
    (pin "1")
    (pin "2")
    (instances
      (project "amp"
        (path
          (reference "R5") (unit 1)
        )
      )
    )
  )
  (symbol (lib_id "Device:C_Polarized") (at 140.97 92.71 0) (unit 1)
    (in_bom yes) (on_board yes) (dnp no) (fields_autoplaced)
    (property "Reference" "C9" (at 144.78 90.5509 0))
    (property "Value" "100u" (at 144.78 93.0909 0))
    (property "Footprint" "Capacitor_THT:CP_Radial_D6.3mm_P2.50mm" (at 141.9352 96.52 0))
    (property "Datasheet" "~" (at 140.97 92.71 0))
    (pin "1")
    (pin "2")
    (instances
      (project "amp"
        (path
          (reference "C9") (unit 1)
        )
      )
    )
  )
  (symbol (lib_id "Device:C_Polarized") (at 144.78 72.39 90) (unit 1)
    (in_bom yes) (on_board yes) (dnp no)
    (property "Reference" "C10" (at 148.59 73.66 90))
    (property "Value" "10u" (at 148.59 76.2 90))
    (property "Footprint" "Capacitor_THT:CP_Radial_D6.3mm_P2.50mm" (at 148.59 71.4248 0))
    (property "Datasheet" "~" (at 144.78 72.39 0))
    (pin "1")
    (pin "2")
    (instances
      (project "amp"
        (path
          (reference "C10") (unit 1)
        )
      )
    )
  )
  (symbol (lib_id "Device:R_Potentiometer") (at 156.21 66.04 180) (unit 1)
    (in_bom yes) (on_board yes) (dnp no) (fields_autoplaced)
    (property "Reference" "RV1" (at 158.75 64.7699 0))
    (property "Value" "470K" (at 158.75 67.3099 0))
    (property "Footprint" "Potentiometer_THT:Potentiometer_Piher_PT-10-V05_Vertical" (at 156.21 66.04 0))
    (property "Datasheet" "~" (at 156.21 66.04 0))
    (pin "1")
    (pin "2")
    (pin "3")
    (instances
      (project "amp"
        (path
          (reference "RV1") (unit 1)
        )
      )
    )
  )
  (symbol (lib_id "Regulator_Linear:L78L05_TO92") (at 62.23 52.07 0) (unit 1)
    (in_bom yes) (on_board yes) (dnp no) (fields_autoplaced)
    (property "Reference" "U1" (at 62.23 44.45 0))
    (property "Value" "L78L05_TO92" (at 62.23 46.99 0))
    (property "Footprint" "Package_TO_SOT_THT:TO-92_Inline_Wide" (at 62.23 46.355 0))
    (property "Datasheet" "http://www.st.com/content/ccc/resource/technical/document/datasheet/15/55/e5/aa/23/5b/43/fd/CD00000446.pdf/files/CD00000446.pdf/jcr:content/translations/en.CD00000446.pdf" (at 62.23 53.34 0))
    (pin "1")
    (pin "2")
    (pin "3")
    (instances
      (project "amp"
        (path
          (reference "U1") (unit 1)
        )
      )
    )
  )
  (symbol (lib_id "Amplifier_Audio:LM386") (at 181.61 96.52 0) (unit 1)
    (in_bom yes) (on_board yes) (dnp no) (fields_autoplaced)
    (property "Reference" "U3" (at 191.77 91.821 0))
    (property "Value" "LM386" (at 191.77 94.361 0))
    (property "Footprint" "Package_DIP:DIP-8_W7.62mm_Socket" (at 184.15 93.98 0))
    (property "Datasheet" "http://www.ti.com/lit/ds/symlink/lm386.pdf" (at 186.69 91.44 0))
    (pin "1")
    (pin "2")
    (pin "3")
    (pin "4")
    (pin "5")
    (pin "6")
    (pin "7")
    (pin "8")
    (instances
      (project "amp"
        (path
          (reference "U3") (unit 1)
        )
      )
    )
  )
  (symbol (lib_id "Device:Battery") (at 38.1 57.15 0) (unit 1)
    (in_bom yes) (on_board yes) (dnp no) (fields_autoplaced)
    (property "Reference" "BT1" (at 41.91 55.4989 0))
    (property "Value" "pile 9V" (at 41.91 58.0389 0))
    (property "Footprint" "Connector_PinHeader_2.00mm:PinHeader_1x02_P2.00mm_Vertical" (at 38.1 55.626 90))
    (property "Datasheet" "~" (at 38.1 55.626 90))
    (pin "1")
    (pin "2")
    (instances
      (project "amp"
        (path
          (reference "BT1") (unit 1)
        )
      )
    )
  )
  (symbol (lib_id "Connector:Conn_01x03_Male") (at 240.03 71.12 180) (unit 1)
    (in_bom yes) (on_board yes) (dnp no) (fields_autoplaced)
    (property "Reference" "J1" (at 241.3 69.8499 0))
    (property "Value" "casque" (at 241.3 72.3899 0))
    (property "Footprint" "Connector_PinHeader_2.00mm:PinHeader_1x03_P2.00mm_Vertical" (at 240.03 71.12 0))
    (property "Datasheet" "~" (at 240.03 71.12 0))
    (pin "1")
    (pin "2")
    (pin "3")
    (instances
      (project "amp"
        (path
          (reference "J1") (unit 1)
        )
      )
    )
  )
  (symbol (lib_id "power:GND") (at 111.76 71.12 0) (unit 1)
    (in_bom yes) (on_board yes) (dnp no)
    (property "Reference" "#PWR0111" (at 111.76 77.47 0))
    (property "Value" "GND" (at 111.76 74.93 0))
    (property "Footprint" "" (at 111.76 71.12 0))
    (property "Datasheet" "" (at 111.76 71.12 0))
    (pin "1")
    (instances
      (project "amp"
        (path
          (reference "#PWR0111") (unit 1)
        )
      )
    )
  )
  (symbol (lib_id "Device:C_Polarized") (at 118.11 78.74 90) (unit 1)
    (in_bom yes) (on_board yes) (dnp no)
    (property "Reference" "C7" (at 118.11 82.55 90))
    (property "Value" "22u" (at 118.11 85.09 90))
    (property "Footprint" "Capacitor_THT:CP_Radial_D6.3mm_P2.50mm" (at 121.92 77.7748 0))
    (property "Datasheet" "~" (at 118.11 78.74 0))
    (pin "1")
    (pin "2")
    (instances
      (project "amp"
        (path
          (reference "C7") (unit 1)
        )
      )
    )
  )
  (symbol (lib_id "Device:C") (at 204.47 78.74 0) (unit 1)
    (in_bom yes) (on_board yes) (dnp no) (fields_autoplaced)
    (property "Reference" "C4" (at 208.28 77.4699 0))
    (property "Value" "100n" (at 208.28 80.0099 0))
    (property "Footprint" "Capacitor_THT:C_Rect_L7.2mm_W3.0mm_P5.00mm_FKS2_FKP2_MKS2_MKP2" (at 205.4352 82.55 0))
    (property "Datasheet" "~" (at 204.47 78.74 0))
    (pin "1")
    (pin "2")
    (instances
      (project "amp"
        (path
          (reference "C4") (unit 1)
        )
      )
    )
  )
  (symbol (lib_id "Device:R") (at 204.47 67.31 0) (unit 1)
    (in_bom yes) (on_board yes) (dnp no) (fields_autoplaced)
    (property "Reference" "R2" (at 207.01 66.0399 0))
    (property "Value" "2.2" (at 207.01 68.5799 0))
    (property "Footprint" "Resistor_THT:R_Axial_DIN0204_L3.6mm_D1.6mm_P7.62mm_Horizontal" (at 202.692 67.31 90))
    (property "Datasheet" "~" (at 204.47 67.31 0))
    (pin "1")
    (pin "2")
    (instances
      (project "amp"
        (path
          (reference "R2") (unit 1)
        )
      )
    )
  )
  (symbol (lib_id "Regulator_Switching:NMA0515SC") (at 114.3 34.29 0) (mirror y) (unit 1)
    (in_bom yes) (on_board yes) (dnp no)
    (property "Reference" "U4" (at 114.3 21.59 0))
    (property "Value" "NMA0515SC" (at 114.3 24.13 0))
    (property "Footprint" "Converter_DCDC:Converter_DCDC_Murata_NMAxxxxSC_THT" (at 114.3 43.18 0))
    (property "Datasheet" "http://power.murata.com/data/power/ncl/kdc_nma.pdf" (at 114.3 34.29 0))
    (pin "5")
    (pin "2")
    (pin "4")
    (pin "1")
    (pin "6")
    (instances
      (project "amp"
        (path
          (reference "U4") (unit 1)
        )
      )
    )
  )
  (symbol (lib_id "Device:C_Polarized") (at 181.61 114.3 0) (unit 1)
    (in_bom yes) (on_board yes) (dnp no)
    (property "Reference" "C5" (at 176.53 114.3 0))
    (property "Value" "10uf" (at 175.26 116.84 0))
    (property "Footprint" "Capacitor_THT:CP_Radial_D6.3mm_P2.50mm" (at 182.5752 118.11 0))
    (property "Datasheet" "~" (at 181.61 114.3 0))
    (pin "1")
    (pin "2")
    (instances
      (project "amp"
        (path
          (reference "C5") (unit 1)
        )
      )
    )
  )
  (symbol (lib_id "power:GND") (at 60.96 72.39 0) (unit 1)
    (in_bom yes) (on_board yes) (dnp no) (fields_autoplaced)
    (property "Reference" "#PWR0101" (at 60.96 78.74 0))
    (property "Value" "GND" (at 60.96 77.47 0))
    (property "Footprint" "" (at 60.96 72.39 0))
    (property "Datasheet" "" (at 60.96 72.39 0))
    (pin "1")
    (instances
      (project "amp"
        (path
          (reference "#PWR0101") (unit 1)
        )
      )
    )
  )
  (sheet_instances
    (path (page "1"))
  )
)
