Create a schematic for Audio preamplifier circuit 

libSymbols:
- Amplifier_Operational:TL072
- Amplifier_Operational:TL074
- Connector:Conn_01x04_Pin
- Connector:Conn_01x04_Socket
- Connector_Audio:AudioJack2_SwitchT
- Connector_Audio:AudioJack3_SwitchTR
- Connector_Generic:Conn_02x05_Odd_Even
- Device:C
- Device:C_Polarized
- Device:R
- Device:R_Potentiometer
- Pale Slim Ghost:Mousebite
- power:+12V
- power:-12V
- power:GND
- power:GND1
schematicSymbols:
- libraryNickname: Device
  entryName: R
  position:
    x: 218.694
    y: 126.238
    angle: 90
  properties:
  - key: Reference
    value: R14
    position:
      x: 218.694
      y: 120.777
      angle: 90
  - key: Value
    value: 10k
    position:
      x: 218.694
      y: 123.317
      angle: 90
- libraryNickname: Device
  entryName: R_Potentiometer
  position:
    x: 102.87
    y: 44.196
    angle: 0
  properties:
  - key: Reference
    value: RV2
    position:
      x: 98.679
      y: 44.196
      angle: 90
  - key: Value
    value: R_Potentiometer
    position:
      x: 96.139
      y: 44.196
      angle: 90
- libraryNickname: power
  entryName: +12V
  position:
    x: 259.461
    y: 18.415
    angle: 0
  properties:
  - key: Reference
    value: '#PWR046'
    position:
      x: 259.461
      y: 22.225
      angle: 0
  - key: Value
    value: +12V
    position:
      x: 259.461
      y: 14.605
      angle: 0
- libraryNickname: Amplifier_Operational
  entryName: TL074
  position:
    x: 218.059
    y: 115.824
    angle: 0
  properties:
  - key: Reference
    value: U1
    position:
      x: 218.059
      y: 106.426
      angle: 0
  - key: Value
    value: TL074
    position:
      x: 218.059
      y: 108.966
      angle: 0
- libraryNickname: Device
  entryName: R
  position:
    x: 79.629
    y: 127.635
    angle: 90
  properties:
  - key: Reference
    value: R11
    position:
      x: 79.629
      y: 123.19
      angle: 90
  - key: Value
    value: 100k
    position:
      x: 79.629
      y: 125.73
      angle: 90
- libraryNickname: power
  entryName: GND
  position:
    x: 225.171
    y: 58.801
    angle: 90
  properties:
  - key: Reference
    value: '#PWR051'
    position:
      x: 231.521
      y: 58.801
      angle: 0
  - key: Value
    value: GND
    position:
      x: 229.235
      y: 59.436
      angle: 90
- libraryNickname: power
  entryName: GND
  position:
    x: 175.006
    y: 23.749
    angle: 270
  properties:
  - key: Reference
    value: '#PWR032'
    position:
      x: 168.656
      y: 23.749
      angle: 0
  - key: Value
    value: GND
    position:
      x: 171.577
      y: 24.384
      angle: 90
- libraryNickname: Device
  entryName: R
  position:
    x: 206.629
    y: 118.364
    angle: 90
  properties:
  - key: Reference
    value: R13
    position:
      x: 206.629
      y: 113.919
      angle: 90
  - key: Value
    value: 100k
    position:
      x: 206.629
      y: 116.459
      angle: 90
- libraryNickname: power
  entryName: -12V
  position:
    x: 224.917
    y: 34.29
    angle: 180
  properties:
  - key: Reference
    value: '#PWR043'
    position:
      x: 224.917
      y: 36.83
      angle: 0
  - key: Value
    value: -12V
    position:
      x: 224.917
      y: 39.37
      angle: 0
- libraryNickname: power
  entryName: GND
  position:
    x: 171.323
    y: 104.521
    angle: 90
  properties:
  - key: Reference
    value: '#PWR019'
    position:
      x: 177.673
      y: 104.521
      angle: 0
  - key: Value
    value: GND
    position:
      x: 175.006
      y: 105.156
      angle: 90
- libraryNickname: power
  entryName: GND
  position:
    x: 187.579
    y: 115.824
    angle: 270
  properties:
  - key: Reference
    value: '#PWR015'
    position:
      x: 181.229
      y: 115.824
      angle: 0
  - key: Value
    value: GND
    position:
      x: 183.896
      y: 116.459
      angle: 90
- libraryNickname: power
  entryName: -12V
  position:
    x: 209.55
    y: 33.909
    angle: 180
  properties:
  - key: Reference
    value: '#PWR042'
    position:
      x: 209.55
      y: 36.449
      angle: 0
  - key: Value
    value: -12V
    position:
      x: 209.55
      y: 38.989
      angle: 0
- libraryNickname: Device
  entryName: R
  position:
    x: 175.133
    y: 134.747
    angle: 90
  properties:
  - key: Reference
    value: R21
    position:
      x: 175.133
      y: 130.302
      angle: 90
  - key: Value
    value: 100k
    position:
      x: 175.133
      y: 132.842
      angle: 90
- libraryNickname: Amplifier_Operational
  entryName: TL072
  position:
    x: 183.388
    y: 60.96
    angle: 0
  properties:
  - key: Reference
    value: U2
    position:
      x: 183.388
      y: 70.485
      angle: 0
  - key: Value
    value: TL072
    position:
      x: 183.388
      y: 67.945
      angle: 0
- libraryNickname: power
  entryName: GND
  position:
    x: 114.046
    y: 23.749
    angle: 270
  properties:
  - key: Reference
    value: '#PWR04'
    position:
      x: 107.696
      y: 23.749
      angle: 0
  - key: Value
    value: GND
    position:
      x: 110.744
      y: 24.384
      angle: 90
- libraryNickname: Connector_Audio
  entryName: AudioJack2_SwitchT
  position:
    x: 43.942
    y: 105.918
    angle: 0
  properties:
  - key: Reference
    value: J7
    position:
      x: 38.481
      y: 105.918
      angle: 0
  - key: Value
    value: AudioJack2_SwitchT
    position:
      x: 38.481
      y: 108.458
      angle: 0
- libraryNickname: Device
  entryName: C
  position:
    x: 235.331
    y: 30.226
    angle: 0
  properties:
  - key: Reference
    value: C8
    position:
      x: 238.633
      y: 29.591
      angle: 0
  - key: Value
    value: C
    position:
      x: 238.633
      y: 32.131
      angle: 0
- libraryNickname: Device
  entryName: R
  position:
    x: 124.333
    y: 112.141
    angle: 90
  properties:
  - key: Reference
    value: R8
    position:
      x: 124.333
      y: 107.823
      angle: 90
  - key: Value
    value: 1k
    position:
      x: 124.333
      y: 110.363
      angle: 90
- libraryNickname: Connector_Audio
  entryName: AudioJack2_SwitchT
  position:
    x: 119.38
    y: 44.196
    angle: 0
  properties:
  - key: Reference
    value: J5
    position:
      x: 124.841
      y: 44.196
      angle: 0
  - key: Value
    value: AudioJack2_SwitchT
    position:
      x: 124.841
      y: 46.736
      angle: 0
- libraryNickname: Device
  entryName: R_Potentiometer
  position:
    x: 102.997
    y: 64.008
    angle: 0
  properties:
  - key: Reference
    value: RV3
    position:
      x: 99.949
      y: 64.008
      angle: 90
  - key: Value
    value: R_Potentiometer
    position:
      x: 97.409
      y: 64.008
      angle: 90
- libraryNickname: power
  entryName: GND
  position:
    x: 175.006
    y: 28.829
    angle: 270
  properties:
  - key: Reference
    value: '#PWR034'
    position:
      x: 168.656
      y: 28.829
      angle: 0
  - key: Value
    value: GND
    position:
      x: 171.577
      y: 29.464
      angle: 90
- libraryNickname: power
  entryName: GND
  position:
    x: 171.323
    y: 118.364
    angle: 90
  properties:
  - key: Reference
    value: '#PWR018'
    position:
      x: 177.673
      y: 118.364
      angle: 0
  - key: Value
    value: GND
    position:
      x: 175.006
      y: 118.999
      angle: 90
- libraryNickname: Connector
  entryName: Conn_01x04_Pin
  position:
    x: 220.091
    y: 61.341
    angle: 0
  properties:
  - key: Reference
    value: J15
    position:
      x: 220.726
      y: 54.61
      angle: 0
  - key: Value
    value: Conn_01x04_Pin
    position:
      x: 220.726
      y: 57.15
      angle: 0
- libraryNickname: Device
  entryName: R
  position:
    x: 44.577
    y: 42.164
    angle: 0
  properties:
  - key: Reference
    value: R5
    position:
      x: 47.371
      y: 41.529
      angle: 0
  - key: Value
    value: 150k
    position:
      x: 47.371
      y: 44.069
      angle: 0
- libraryNickname: Device
  entryName: R
  position:
    x: 110.49
    y: 44.196
    angle: 90
  properties:
  - key: Reference
    value: R2
    position:
      x: 110.49
      y: 38.735
      angle: 90
  - key: Value
    value: 1k
    position:
      x: 110.49
      y: 41.275
      angle: 90
- libraryNickname: Device
  entryName: C
  position:
    x: 235.331
    y: 22.606
    angle: 0
  properties:
  - key: Reference
    value: C6
    position:
      x: 238.633
      y: 21.971
      angle: 0
  - key: Value
    value: C
    position:
      x: 238.633
      y: 24.511
      angle: 0
- libraryNickname: Device
  entryName: C_Polarized
  position:
    x: 209.55
    y: 30.099
    angle: 0
  properties:
  - key: Reference
    value: C7
    position:
      x: 212.471
      y: 28.575
      angle: 0
  - key: Value
    value: C_Polarized
    position:
      x: 212.471
      y: 31.115
      angle: 0
- libraryNickname: power
  entryName: -12V
  position:
    x: 259.461
    y: 33.655
    angle: 180
  properties:
  - key: Reference
    value: '#PWR049'
    position:
      x: 259.461
      y: 36.195
      angle: 0
  - key: Value
    value: -12V
    position:
      x: 259.461
      y: 38.735
      angle: 0
- libraryNickname: Pale Slim Ghost
  entryName: Mousebite
  position:
    x: 173.101
    y: 46.355
    angle: 0
  properties:
  - key: Reference
    value: B2
    position:
      x: 173.101
      y: 39.497
      angle: 0
  - key: Value
    value: Mousebite
    position:
      x: 173.101
      y: 42.037
      angle: 0
- libraryNickname: Device
  entryName: C
  position:
    x: 259.461
    y: 29.845
    angle: 0
  properties:
  - key: Reference
    value: C10
    position:
      x: 262.763
      y: 29.21
      angle: 0
  - key: Value
    value: C
    position:
      x: 262.763
      y: 31.75
      angle: 0
- libraryNickname: power
  entryName: -12V
  position:
    x: 175.006
    y: 21.209
    angle: 90
  properties:
  - key: Reference
    value: '#PWR030'
    position:
      x: 172.466
      y: 21.209
      angle: 0
  - key: Value
    value: -12V
    position:
      x: 171.069
      y: 21.844
      angle: 90
- libraryNickname: power
  entryName: GND
  position:
    x: 49.022
    y: 131.064
    angle: 90
  properties:
  - key: Reference
    value: '#PWR023'
    position:
      x: 55.372
      y: 131.064
      angle: 0
  - key: Value
    value: GND
    position:
      x: 52.705
      y: 131.699
      angle: 90
- libraryNickname: power
  entryName: +12V
  position:
    x: 175.006
    y: 31.369
    angle: 90
  properties:
  - key: Reference
    value: '#PWR040'
    position:
      x: 178.816
      y: 31.369
      angle: 0
  - key: Value
    value: +12V
    position:
      x: 171.069
      y: 32.004
      angle: 90
- libraryNickname: power
  entryName: GND
  position:
    x: 175.768
    y: 58.42
    angle: 270
  properties:
  - key: Reference
    value: '#PWR025'
    position:
      x: 169.418
      y: 58.42
      angle: 0
  - key: Value
    value: GND
    position:
      x: 172.339
      y: 59.055
      angle: 90
- libraryNickname: power
  entryName: +12V
  position:
    x: 209.55
    y: 18.669
    angle: 0
  properties:
  - key: Reference
    value: '#PWR027'
    position:
      x: 209.55
      y: 22.479
      angle: 0
  - key: Value
    value: +12V
    position:
      x: 209.55
      y: 14.859
      angle: 0
- libraryNickname: power
  entryName: GND
  position:
    x: 175.006
    y: 26.289
    angle: 270
  properties:
  - key: Reference
    value: '#PWR033'
    position:
      x: 168.656
      y: 26.289
      angle: 0
  - key: Value
    value: GND
    position:
      x: 171.577
      y: 26.924
      angle: 90
- libraryNickname: power
  entryName: GND
  position:
    x: 210.439
    y: 113.284
    angle: 270
  properties:
  - key: Reference
    value: '#PWR016'
    position:
      x: 204.089
      y: 113.284
      angle: 0
  - key: Value
    value: GND
    position:
      x: 206.756
      y: 113.919
      angle: 90
- libraryNickname: power
  entryName: GND
  position:
    x: 46.863
    y: 21.971
    angle: 270
  properties:
  - key: Reference
    value: '#PWR09'
    position:
      x: 40.513
      y: 21.971
      angle: 0
  - key: Value
    value: GND
    position:
      x: 43.688
      y: 22.606
      angle: 90
- libraryNickname: Amplifier_Operational
  entryName: TL072
  position:
    x: 245.618
    y: 26.289
    angle: 0
  properties:
  - key: Reference
    value: U2
    position:
      x: 248.92
      y: 25.654
      angle: 0
  - key: Value
    value: TL072
    position:
      x: 248.92
      y: 28.194
      angle: 0
- libraryNickname: power
  entryName: GND1
  position:
    x: 33.147
    y: 30.734
    angle: 90
  properties:
  - key: Reference
    value: '#PWR017'
    position:
      x: 39.497
      y: 30.734
      angle: 0
  - key: Value
    value: GND1
    position:
      x: 37.465
      y: 31.369
      angle: 90
- libraryNickname: Device
  entryName: C_Polarized
  position:
    x: 50.673
    y: 21.971
    angle: 270
  properties:
  - key: Reference
    value: C4
    position:
      x: 51.562
      y: 16.51
      angle: 90
  - key: Value
    value: 10u
    position:
      x: 51.562
      y: 19.05
      angle: 90
- libraryNickname: Amplifier_Operational
  entryName: TL074
  position:
    x: 101.854
    y: 114.681
    angle: 0
  properties:
  - key: Reference
    value: U1
    position:
      x: 101.854
      y: 105.283
      angle: 0
  - key: Value
    value: TL074
    position:
      x: 101.854
      y: 107.823
      angle: 0
- libraryNickname: Connector_Audio
  entryName: AudioJack2_SwitchT
  position:
    x: 119.126
    y: 26.289
    angle: 0
  properties:
  - key: Reference
    value: J4
    position:
      x: 124.587
      y: 26.289
      angle: 0
  - key: Value
    value: AudioJack2_SwitchT
    position:
      x: 124.587
      y: 28.829
      angle: 0
- libraryNickname: power
  entryName: GND
  position:
    x: 187.706
    y: 28.829
    angle: 90
  properties:
  - key: Reference
    value: '#PWR035'
    position:
      x: 194.056
      y: 28.829
      angle: 0
  - key: Value
    value: GND
    position:
      x: 191.77
      y: 29.464
      angle: 90
- libraryNickname: Connector_Audio
  entryName: AudioJack2_SwitchT
  position:
    x: 43.942
    y: 119.761
    angle: 0
  properties:
  - key: Reference
    value: J8
    position:
      x: 38.481
      y: 119.761
      angle: 0
  - key: Value
    value: AudioJack2_SwitchT
    position:
      x: 38.481
      y: 122.301
      angle: 0
- libraryNickname: power
  entryName: GND1
  position:
    x: 215.138
    y: 58.801
    angle: 270
  properties:
  - key: Reference
    value: '#PWR050'
    position:
      x: 208.788
      y: 58.801
      angle: 0
  - key: Value
    value: GND1
    position:
      x: 210.82
      y: 59.436
      angle: 90
- libraryNickname: Amplifier_Operational
  entryName: TL072
  position:
    x: 69.723
    y: 38.354
    angle: 0
  properties:
  - key: Reference
    value: U2
    position:
      x: 69.723
      y: 47.244
      angle: 0
  - key: Value
    value: TL072
    position:
      x: 69.723
      y: 44.704
      angle: 0
- libraryNickname: Device
  entryName: R
  position:
    x: 65.913
    y: 21.971
    angle: 90
  properties:
  - key: Reference
    value: R6
    position:
      x: 65.913
      y: 16.51
      angle: 90
  - key: Value
    value: 10k
    position:
      x: 65.913
      y: 19.05
      angle: 90
- libraryNickname: power
  entryName: -12V
  position:
    x: 235.331
    y: 34.036
    angle: 180
  properties:
  - key: Reference
    value: '#PWR044'
    position:
      x: 235.331
      y: 36.576
      angle: 0
  - key: Value
    value: -12V
    position:
      x: 235.331
      y: 39.116
      angle: 0
- libraryNickname: power
  entryName: GND
  position:
    x: 71.374
    y: 114.681
    angle: 270
  properties:
  - key: Reference
    value: '#PWR014'
    position:
      x: 65.024
      y: 114.681
      angle: 0
  - key: Value
    value: GND
    position:
      x: 67.691
      y: 115.316
      angle: 90
- libraryNickname: Device
  entryName: R
  position:
    x: 175.133
    y: 120.904
    angle: 90
  properties:
  - key: Reference
    value: R20
    position:
      x: 175.133
      y: 116.459
      angle: 90
  - key: Value
    value: 100k
    position:
      x: 175.133
      y: 118.999
      angle: 90
- libraryNickname: power
  entryName: GND
  position:
    x: 114.3
    y: 41.656
    angle: 270
  properties:
  - key: Reference
    value: '#PWR010'
    position:
      x: 107.95
      y: 41.656
      angle: 0
  - key: Value
    value: GND
    position:
      x: 110.998
      y: 42.291
      angle: 90
- libraryNickname: Connector_Audio
  entryName: AudioJack2_SwitchT
  position:
    x: 166.243
    y: 120.904
    angle: 0
  properties:
  - key: Reference
    value: J11
    position:
      x: 160.782
      y: 120.904
      angle: 0
  - key: Value
    value: AudioJack2_SwitchT
    position:
      x: 160.782
      y: 123.444
      angle: 0
- libraryNickname: Device
  entryName: R_Potentiometer
  position:
    x: 102.616
    y: 26.289
    angle: 0
  properties:
  - key: Reference
    value: RV1
    position:
      x: 99.187
      y: 26.289
      angle: 90
  - key: Value
    value: R_Potentiometer
    position:
      x: 96.647
      y: 26.289
      angle: 90
- libraryNickname: power
  entryName: GND
  position:
    x: 49.022
    y: 103.378
    angle: 90
  properties:
  - key: Reference
    value: '#PWR021'
    position:
      x: 55.372
      y: 103.378
      angle: 0
  - key: Value
    value: GND
    position:
      x: 52.705
      y: 104.013
      angle: 90
- libraryNickname: power
  entryName: GND
  position:
    x: 175.768
    y: 63.5
    angle: 270
  properties:
  - key: Reference
    value: '#PWR024'
    position:
      x: 169.418
      y: 63.5
      angle: 0
  - key: Value
    value: GND
    position:
      x: 172.339
      y: 64.135
      angle: 90
- libraryNickname: Amplifier_Operational
  entryName: TL074
  position:
    x: 195.199
    y: 118.364
    angle: 0
  properties:
  - key: Reference
    value: U1
    position:
      x: 195.199
      y: 108.966
      angle: 0
  - key: Value
    value: TL074
    position:
      x: 195.199
      y: 111.506
      angle: 0
- libraryNickname: Connector_Audio
  entryName: AudioJack2_SwitchT
  position:
    x: 166.243
    y: 107.061
    angle: 0
  properties:
  - key: Reference
    value: J10
    position:
      x: 160.782
      y: 107.061
      angle: 0
  - key: Value
    value: AudioJack2_SwitchT
    position:
      x: 160.782
      y: 109.601
      angle: 0
- libraryNickname: Device
  entryName: R
  position:
    x: 56.261
    y: 133.604
    angle: 90
  properties:
  - key: Reference
    value: R18
    position:
      x: 56.261
      y: 129.159
      angle: 90
  - key: Value
    value: 100k
    position:
      x: 56.261
      y: 131.699
      angle: 90
- libraryNickname: power
  entryName: GND
  position:
    x: 187.706
    y: 23.749
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