Create a schematic for Audio preamplifier circuit 

libSymbols:
- Amplifier_Operational:TL072
- Connector:AudioJack2_SwitchT
- Device:R
- Device:R_Potentiometer
- Device:R_Potentiometer_Trim
- power:+12V
- power:-12V
- power:GND
schematicSymbols:
- libraryNickname: Amplifier_Operational
  entryName: TL072
  position:
    x: 134.62
    y: 97.79
    angle: 0
  properties:
  - key: Reference
    value: U103
    position:
      x: 134.62
      y: 88.4682
      angle: 0
  - key: Value
    value: TL072
    position:
      x: 134.62
      y: 90.7796
      angle: 0
- libraryNickname: Device
  entryName: R
  position:
    x: 134.62
    y: 109.22
    angle: 90
  properties:
  - key: Reference
    value: R403
    position:
      x: 134.62
      y: 103.9622
      angle: 90
  - key: Value
    value: 150k
    position:
      x: 134.62
      y: 106.2736
      angle: 90
- libraryNickname: Device
  entryName: R_Potentiometer
  position:
    x: 107.95
    y: 120.65
    angle: 0
  properties:
  - key: Reference
    value: RV402
    position:
      x: 106.1974
      y: 122.9614
      angle: 0
  - key: Value
    value: 50k
    position:
      x: 106.1974
      y: 120.65
      angle: 0
- libraryNickname: power
  entryName: +12V
  position:
    x: 107.95
    y: 116.84
    angle: 0
  properties:
  - key: Reference
    value: '#PWR0403'
    position:
      x: 107.95
      y: 120.65
      angle: 0
  - key: Value
    value: +12V
    position:
      x: 108.331
      y: 112.4458
      angle: 0
- libraryNickname: power
  entryName: -12V
  position:
    x: 107.95
    y: 124.46
    angle: 180
  properties:
  - key: Reference
    value: '#PWR0404'
    position:
      x: 107.95
      y: 127
      angle: 0
  - key: Value
    value: -12V
    position:
      x: 107.569
      y: 128.8542
      angle: 0
- libraryNickname: power
  entryName: GND
  position:
    x: 124.46
    y: 95.25
    angle: 0
  properties:
  - key: Reference
    value: '#PWR0405'
    position:
      x: 124.46
      y: 101.6
      angle: 0
  - key: Value
    value: GND
    position:
      x: 124.587
      y: 99.6442
      angle: 0
- libraryNickname: Device
  entryName: R
  position:
    x: 115.57
    y: 120.65
    angle: 90
  properties:
  - key: Reference
    value: R402
    position:
      x: 115.57
      y: 115.3922
      angle: 90
  - key: Value
    value: 330k
    position:
      x: 115.57
      y: 117.7036
      angle: 90
- libraryNickname: Device
  entryName: R_Potentiometer
  position:
    x: 107.95
    y: 99.06
    angle: 0
  properties:
  - key: Reference
    value: RV401
    position:
      x: 106.172
      y: 100.2284
      angle: 0
  - key: Value
    value: 50k
    position:
      x: 106.172
      y: 97.917
      angle: 0
- libraryNickname: power
  entryName: GND
  position:
    x: 107.95
    y: 102.87
    angle: 0
  properties:
  - key: Reference
    value: '#PWR0402'
    position:
      x: 107.95
      y: 109.22
      angle: 0
  - key: Value
    value: GND
    position:
      x: 108.077
      y: 107.2642
      angle: 0
- libraryNickname: Connector
  entryName: AudioJack2_SwitchT
  position:
    x: 93.98
    y: 93.98
    angle: 0
  properties:
  - key: Reference
    value: J401
    position:
      x: 89.4334
      y: 92.2782
      angle: 0
  - key: Value
    value: AudioJack2_SwitchT
    position:
      x: 89.4334
      y: 94.5896
      angle: 0
- libraryNickname: power
  entryName: GND
  position:
    x: 99.06
    y: 96.52
    angle: 0
  properties:
  - key: Reference
    value: '#PWR0401'
    position:
      x: 99.06
      y: 102.87
      angle: 0
  - key: Value
    value: GND
    position:
      x: 99.187
      y: 100.9142
      angle: 0
- libraryNickname: Device
  entryName: R
  position:
    x: 115.57
    y: 99.06
    angle: 90
  properties:
  - key: Reference
    value: R401
    position:
      x: 115.57
      y: 93.8022
      angle: 90
  - key: Value
    value: 150k
    position:
      x: 115.57
      y: 96.1136
      angle: 90
- libraryNickname: Amplifier_Operational
  entryName: TL072
  position:
    x: 154.94
    y: 95.25
    angle: 0
  properties:
  - key: Reference
    value: U103
    position:
      x: 154.94
      y: 85.9282
      angle: 0
  - key: Value
    value: TL072
    position:
      x: 154.94
      y: 88.2396
      angle: 0
- libraryNickname: Device
  entryName: R
  position:
    x: 154.94
    y: 82.55
    angle: 90
  properties:
  - key: Reference
    value: R405
    position:
      x: 154.94
      y: 77.2922
      angle: 90
  - key: Value
    value: 2M
    position:
      x: 154.94
      y: 79.6036
      angle: 90
- libraryNickname: Device
  entryName: R
  position:
    x: 147.32
    y: 78.74
    angle: 180
  properties:
  - key: Reference
    value: R404
    position:
      x: 149.098
      y: 77.5716
      angle: 0
  - key: Value
    value: 2.2k
    position:
      x: 149.098
      y: 79.883
      angle: 0
- libraryNickname: Connector
  entryName: AudioJack2_SwitchT
  position:
    x: 209.55
    y: 97.79
    angle: 180
  properties:
  - key: Reference
    value: J402
    position:
      x: 214.122
      y: 96.0882
      angle: 0
  - key: Value
    value: AudioJack2_SwitchT
    position:
      x: 214.122
      y: 98.3996
      angle: 0
- libraryNickname: power
  entryName: GND
  position:
    x: 204.47
    y: 100.33
    angle: 0
  properties:
  - key: Reference
    value: '#PWR0407'
    position:
      x: 204.47
      y: 106.68
      angle: 0
  - key: Value
    value: GND
    position:
      x: 204.597
      y: 104.7242
      angle: 0
- libraryNickname: Device
  entryName: R_Potentiometer_Trim
  position:
    x: 167.64
    y: 95.25
    angle: 270
  properties:
  - key: Reference
    value: RV403
    position:
      x: 167.64
      y: 89.9922
      angle: 90
  - key: Value
    value: 10k
    position:
      x: 167.64
      y: 92.3036
      angle: 90
- libraryNickname: Amplifier_Operational
  entryName: TL072
  position:
    x: 189.23
    y: 97.79
    angle: 0
  properties:
  - key: Reference
    value: U104
    position:
      x: 189.23
      y: 88.4682
      angle: 0
  - key: Value
    value: TL072
    position:
      x: 189.23
      y: 90.7796
      angle: 0
- libraryNickname: power
  entryName: GND
  position:
    x: 173.99
    y: 104.14
    angle: 0
  properties:
  - key: Reference
    value: '#PWR0406'
    position:
      x: 173.99
      y: 110.49
      angle: 0
  - key: Value
    value: GND
    position:
      x: 174.117
      y: 108.5342
      angle: 0
- libraryNickname: Device
  entryName: R
  position:
    x: 173.99
    y: 100.33
    angle: 180
  properties:
  - key: Reference
    value: R406
    position:
      x: 175.768
      y: 99.1616
      angle: 0
  - key: Value
    value: 2.2k
    position:
      x: 175.768
      y: 101.473
      angle: 0
- libraryNickname: Device
  entryName: R
  position:
    x: 200.66
    y: 97.79
    angle: 270
  properties:
  - key: Reference
    value: R407
    position:
      x: 200.66
      y: 92.5322
      angle: 90
  - key: Value
    value: 1k
    position:
      x: 200.66
      y: 94.8436
      angle: 90
junctions:
- position:
    x: 196.85
    y: 105.41
    angle: 0
- position:
    x: 147.32
    y: 82.55
    angle: 0
- position:
    x: 162.56
    y: 95.25
    angle: 0
- position:
    x: 127
    y: 109.22
    angle: 0
- position:
    x: 142.24
    y: 97.79
    angle: 0
- position:
    x: 196.85
    y: 97.79
    angle: 0
- position:
    x: 171.45
    y: 95.25
    angle: 0
- position:
    x: 173.99
    y: 95.25
    angle: 0
- position:
    x: 120.65
    y: 109.22
    angle: 0
noConnects:
- position:
    x: 204.47
    y: 95.25
    angle: null
- position:
    x: 99.06
    y: 91.44
    angle: null
busEntries: []
graphicalItems:
- type: wire
  points:
  - x: 142.24
    y: 97.79
  - x: 147.32
    y: 97.79
- type: wire
  points:
  - x: 173.99
    y: 95.25
  - x: 173.99
    y: 96.52
- type: wire
  points:
  - x: 196.85
    y: 105.41
  - x: 196.85
    y: 97.79
- type: wire
  points:
  - x: 147.32
    y: 92.71
  - x: 147.32
    y: 82.55
- type: wire
  points:
  - x: 124.46
    y: 95.25
  - x: 127
    y: 95.25
- type: wire
  points:
  - x: 162.56
    y: 95.25
  - x: 163.83
    y: 95.25
- type: wire
  points:
  - x: 181.61
    y: 105.41
  - x: 196.85
    y: 105.41
- type: wire
  points:
  - x: 119.38
    y: 99.06
  - x: 120.65
    y: 99.06
- type: wire
  points:
  - x: 196.85
    y: 106.68
  - x: 196.85
    y: 105.41
- type: wire
  points:
  - x: 158.75
    y: 82.55
  - x: 162.56
    y: 82.55
- type: wire
  points:
  - x: 171.45
    y: 95.25
  - x: 173.99
    y: 95.25
- type: wire
  points:
  - x: 120.65
    y: 120.65
  - x: 119.38
    y: 120.65
- type: wire
  points:
  - x: 173.99
    y: 95.25
  - x: 181.61
    y: 95.25
- type: wire
  points:
  - x: 147.32
    y: 82.55
  - x: 151.13
    y: 82.55
- type: wire
  points:
  - x: 107.95
    y: 93.98
  - x: 107.95
    y: 95.25
- type: wire
  points:
  - x: 99.06
    y: 93.98
  - x: 107.95
    y: 93.98
- type: wire
  points:
  - x: 167.64
    y: 99.06
  - x: 171.45
    y: 99.06
- type: wire
  points:
  - x: 127
    y: 100.33
  - x: 127
    y: 109.22
- type: wire
  points:
  - x: 142.24
    y: 109.22
  - x: 142.24
    y: 97.79
- type: wire
  points:
  - x: 138.43
    y: 109.22
  - x: 142.24
    y: 109.22
- type: wire
  points:
  - x: 171.45
    y: 99.06
  - x: 171.45
    y: 95.25
- type: wire
  points:
  - x: 162.56
    y: 82.55
  - x: 162.56
    y: 95.25
- type: wire
  points:
  - x: 120.65
    y: 109.22
  - x: 127
    y: 109.22
- type: wire
  points:
  - x: 181.61
    y: 100.33
  - x: 181.61
    y: 105.41
- type: wire
  points:
  - x: 120.65
    y: 99.06
  - x: 120.65
    y: 109.22
- type: wire
  points:
  - x: 120.65
    y: 109.22
  - x: 120.65
    y: 120.65
- type: wire
  points:
  - x: 127
    y: 109.22
  - x: 130.81
    y: 109.22
globalLabels: []
sheetInstances: []
