Version 4
SHEET 1 1676 680
WIRE 240 -144 144 -144
WIRE 912 -144 240 -144
WIRE 992 -144 912 -144
WIRE 1088 -144 992 -144
WIRE 1184 -144 1088 -144
WIRE 1328 -144 1184 -144
WIRE 1408 -144 1328 -144
WIRE 1472 -144 1408 -144
WIRE 1504 -144 1472 -144
WIRE 1616 -144 1584 -144
WIRE 1184 -128 1184 -144
WIRE 1616 -128 1616 -144
WIRE 240 -112 240 -144
WIRE 1472 -112 1472 -144
WIRE 368 -96 320 -96
WIRE 400 -96 368 -96
WIRE 496 -96 464 -96
WIRE 992 -96 992 -144
WIRE 1328 -96 1328 -144
WIRE 368 -80 368 -96
WIRE 496 -80 496 -96
WIRE 144 -64 144 -144
WIRE 912 -48 912 -144
WIRE 1408 -48 1408 -144
WIRE 736 -32 544 -32
WIRE 816 -32 800 -32
WIRE 1184 -32 1184 -64
WIRE 816 -16 816 -32
WIRE 1472 -16 1472 -48
WIRE 1616 -16 1616 -48
WIRE 240 16 240 -32
WIRE 272 16 240 16
WIRE 320 16 320 -96
WIRE 320 16 272 16
WIRE 368 16 368 0
WIRE 400 16 368 16
WIRE 496 16 496 0
WIRE 496 16 464 16
WIRE 576 16 496 16
WIRE 992 16 992 -16
WIRE 1040 16 992 16
WIRE 1056 16 1040 16
WIRE 1168 16 1120 16
WIRE 1328 16 1328 -16
WIRE 1328 16 1312 16
WIRE 1344 16 1328 16
WIRE 1360 16 1344 16
WIRE 240 48 240 16
WIRE 496 48 496 16
WIRE 992 48 992 16
WIRE 1328 48 1328 16
WIRE 1408 64 1408 48
WIRE 1408 80 1408 64
WIRE 1440 80 1408 80
WIRE 1520 80 1504 80
WIRE 1536 80 1520 80
WIRE 1632 80 1616 80
WIRE 1648 80 1632 80
WIRE 576 96 576 16
WIRE 576 96 544 96
WIRE -48 112 -80 112
WIRE 48 112 32 112
WIRE 64 112 48 112
WIRE 144 112 144 16
WIRE 144 112 128 112
WIRE 176 112 144 112
WIRE 192 112 176 112
WIRE 816 112 816 64
WIRE 832 112 816 112
WIRE 912 112 912 32
WIRE 912 112 896 112
WIRE 928 112 912 112
WIRE 944 112 928 112
WIRE 1408 112 1408 80
WIRE 368 144 368 16
WIRE 400 144 368 144
WIRE 496 144 496 128
WIRE 496 144 464 144
WIRE 576 144 496 144
WIRE 736 144 736 -32
WIRE 1168 144 1168 16
WIRE 1520 144 1520 80
WIRE 240 160 240 144
WIRE 1328 160 1328 128
WIRE -80 176 -80 112
WIRE 48 176 48 112
WIRE 144 176 144 112
WIRE 240 176 240 160
WIRE 256 176 240 176
WIRE 352 176 336 176
WIRE 496 176 496 144
WIRE 912 176 912 112
WIRE 992 176 992 144
WIRE 1008 176 992 176
WIRE 1104 176 1088 176
WIRE 368 192 368 144
WIRE 416 192 368 192
WIRE 816 192 816 112
WIRE 816 192 784 192
WIRE 1248 192 1248 16
WIRE 1248 192 1216 192
WIRE 240 208 240 176
WIRE 992 208 992 176
WIRE 352 224 352 176
WIRE 416 224 416 192
WIRE 576 224 576 144
WIRE 576 224 544 224
WIRE 1104 224 1104 176
WIRE -80 304 -80 256
WIRE 48 304 48 256
WIRE 144 304 144 256
WIRE 240 304 240 288
WIRE 352 304 352 288
WIRE 416 304 416 288
WIRE 496 304 496 256
WIRE 736 304 736 224
WIRE 912 304 912 256
WIRE 992 304 992 288
WIRE 1104 304 1104 288
WIRE 1168 304 1168 224
WIRE 1408 304 1408 192
WIRE 1520 304 1520 224
FLAG 352 304 0
FLAG 240 304 0
FLAG 144 304 0
FLAG 48 304 0
FLAG -80 304 0
FLAG 496 304 0
FLAG 736 304 0
FLAG 912 304 0
FLAG 992 304 0
FLAG 1104 304 0
FLAG 1168 304 0
FLAG 1328 160 0
FLAG 1408 304 0
FLAG 1520 304 0
FLAG 1472 -16 0
FLAG 1616 -16 0
FLAG 1632 80 out
FLAG 1184 -32 0
FLAG 416 304 0
FLAG 1088 -144 supply
FLAG -80 112 in
FLAG 272 16 J1d
FLAG 240 160 J1s
FLAG 176 112 J1g
FLAG 928 112 J2g
FLAG 992 176 J2s
FLAG 1040 16 J2d
FLAG 1408 64 J3s
FLAG 1344 16 J3g
SYMBOL voltage -80 160 R0
WINDOW 3 -28 187 Left 2
WINDOW 123 -28 215 Left 2
WINDOW 39 0 0 Left 2
SYMATTR Value SINE(0 150m 500)
SYMATTR Value2 AC 1
SYMATTR InstName V1
SYMBOL res 48 96 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R1
SYMATTR Value 4.7k
SYMBOL res 64 272 R180
WINDOW 0 36 76 Left 2
WINDOW 3 36 40 Left 2
SYMATTR InstName R2
SYMATTR Value 2.2meg
SYMBOL cap 128 96 R90
WINDOW 0 0 32 VBottom 2
WINDOW 3 32 32 VTop 2
SYMATTR InstName C1
SYMATTR Value 0.01u
SYMBOL res 128 -80 R0
WINDOW 3 -20 12 VRight 2
SYMATTR Value 3.3meg
SYMATTR InstName R3
SYMBOL res 128 160 R0
SYMATTR InstName R4
SYMATTR Value 1meg
SYMBOL njf 192 48 R0
SYMATTR InstName J1
SYMATTR Value 2N4393
SYMBOL res 224 192 R0
SYMATTR InstName R5
SYMATTR Value 82k
SYMBOL res 352 160 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R6
SYMATTR Value 2.2k
SYMBOL cap 336 224 R0
SYMATTR InstName C2
SYMATTR Value 22u
SYMBOL res 224 -128 R0
SYMATTR InstName R7
SYMATTR Value 100k
SYMBOL res 352 -96 R0
WINDOW 3 35 61 Left 2
SYMATTR Value 100k
SYMATTR InstName R8
SYMBOL cap 464 -112 R90
WINDOW 0 0 32 VBottom 2
WINDOW 3 34 14 VTop 2
SYMATTR InstName C3
SYMATTR Value 250p
SYMBOL cap 464 0 R90
WINDOW 0 0 32 VBottom 2
WINDOW 3 32 32 VTop 2
SYMATTR InstName C4
SYMATTR Value 0.047u
SYMBOL cap 464 128 R90
WINDOW 0 0 32 VBottom 2
WINDOW 3 32 32 VTop 2
SYMATTR InstName C5
SYMATTR Value 0.022u
SYMBOL potentiometer_standard 480 -96 R0
SYMATTR InstName U1
SYMATTR Value Rtot=250K wiper=.5
SYMATTR SpiceLine Rtap=50k tap=0.5
SYMATTR SpiceModel pot_plog
SYMBOL potentiometer_standard 480 32 R0
SYMATTR InstName U2
SYMATTR Value Rtot=250K wiper=.2
SYMATTR SpiceLine Rtap=50k tap=0.5
SYMATTR SpiceModel pot_plog
SYMBOL potentiometer_standard 480 160 R0
SYMATTR InstName U3
SYMATTR Value Rtot=50K wiper=1
SYMATTR SpiceLine Rtap=10k tap=0.5
SYMATTR SpiceModel pot_plog
SYMBOL potentiometer_standard 720 128 R0
WINDOW 3 -66 215 Left 2
WINDOW 39 -67 242 Left 2
WINDOW 38 39 189 Left 2
SYMATTR Value Rtot=1meg wiper=.5
SYMATTR SpiceLine Rtap=200k tap=0.5
SYMATTR SpiceModel pot_plog
SYMATTR InstName U4
SYMBOL cap 736 -16 R270
WINDOW 0 32 32 VTop 2
WINDOW 3 0 32 VBottom 2
SYMATTR InstName C6
SYMATTR Value 120p
SYMBOL res 800 -32 R0
SYMATTR InstName R9
SYMATTR Value 220k
SYMBOL cap 896 96 R90
WINDOW 0 0 32 VBottom 2
WINDOW 3 32 32 VTop 2
SYMATTR InstName C7
SYMATTR Value 0.01u
SYMBOL res 896 -64 R0
WINDOW 3 -18 -7 VRight 2
SYMATTR Value 3.3meg
SYMATTR InstName R10
SYMBOL res 896 160 R0
SYMATTR InstName R11
SYMATTR Value 1meg
SYMBOL njf 944 48 R0
SYMATTR InstName J2
SYMATTR Value 2N4393
SYMBOL res 976 192 R0
SYMATTR InstName R12
SYMATTR Value 82k
SYMBOL res 1104 160 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R13
SYMATTR Value 1k
SYMBOL cap 1088 224 R0
SYMATTR InstName C8
SYMATTR Value 22u
SYMBOL res 976 -112 R0
SYMATTR InstName R14
SYMATTR Value 100k
SYMBOL potentiometer_standard 1152 128 R0
SYMATTR InstName U5
SYMATTR Value Rtot=250K wiper=.5
SYMATTR SpiceLine Rtap=50k tap=0.5
SYMATTR SpiceModel pot_plog
SYMBOL cap 1120 0 R90
WINDOW 0 0 32 VBottom 2
WINDOW 3 32 32 VTop 2
SYMATTR InstName C9
SYMATTR Value 0.047u
SYMBOL cap 1312 0 R90
WINDOW 0 0 32 VBottom 2
WINDOW 3 32 32 VTop 2
SYMATTR InstName C10
SYMATTR Value 0.1u
SYMBOL res 1312 -112 R0
SYMATTR InstName R15
SYMATTR Value 1meg
SYMBOL res 1312 32 R0
SYMATTR InstName R16
SYMATTR Value 1meg
SYMBOL njf 1360 -48 R0
SYMATTR InstName J3
SYMATTR Value 2N4393
SYMBOL res 1392 96 R0
SYMATTR InstName R17
SYMATTR Value 10k
SYMBOL cap 1504 64 R90
WINDOW 0 0 32 VBottom 2
WINDOW 3 32 32 VTop 2
SYMATTR InstName C11
SYMATTR Value 1u
SYMBOL res 1504 128 R0
SYMATTR InstName R18
SYMATTR Value 100k
SYMBOL res 1632 64 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R19
SYMATTR Value 4.7k
SYMBOL cap 1456 -112 R0
SYMATTR InstName C12
SYMATTR Value 470u
SYMBOL res 1600 -160 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R20
SYMATTR Value 10k
SYMBOL voltage 1616 -144 R0
WINDOW 123 0 0 Left 2
WINDOW 39 0 0 Left 2
SYMATTR InstName V2
SYMATTR Value 50
SYMBOL zener 1200 -64 R180
WINDOW 0 24 64 Left 2
WINDOW 3 24 0 Left 2
SYMATTR InstName D1
SYMATTR Value EDZV18B
SYMATTR Description Diode
SYMATTR Type diode
SYMBOL cap 400 224 R0
SYMATTR InstName C13
SYMATTR Value 2200p
TEXT 576 -80 Left 2 ;Treble 250KA
TEXT 584 48 Left 2 ;Bass 250KA
TEXT 584 176 Left 2 ;Mid 50KA
TEXT 760 232 Left 2 ;Gain 1MA
TEXT 1176 272 Left 2 ;Master 250KA
TEXT -24 376 Left 2 !;tran 0 100m 96m
TEXT 96 344 Left 2 !.ac dec 20 20 20000