* SPICE netlist
R_v2 N002 Volume_2 R=50k*(1 - V(volume))
R_v1 Volume_2 Volume_1 R=50k*V(volume)
V1 Volume 0 0.999
V2 Tone 0 0.5
V3 Sustain 0 0.95
V5 Input 0 wavefile="sample.wav"
R_in Input Volume_1 2m
Q4 N005 N004 N003 0 2N3904
R12 Volume_1 N003 1k
R10 Volume_1 N004 47k
C16 N002 N005 100n
R_t2 Tone_3 Tone_2 R=50k*(1 - V(Tone))
R_t1 Tone_2 Tone_1 R=50k*V(Tone)
C17 Tone_1 Volume_1 10n
Q3 Switch N010 N008 0 2N3904
R30 Volume_1 N008 100r
R31 Volume_1 N010 100k
D4 N010 N016 1N4148
D3 N016 N010 1N4148
C18 N016 Switch 47n
D5 N018 I 1N5817
V_in N018 0 9
R32 I Switch 18k
R33 I N005 12k
R_s2 Sustain_3 Sustain_2 R=50k*(1 - V(Sustain))
R_s1 Sustain_2 Sustain_1 R=50k*V(Sustain)
R36 Tone_3 N002 39k
C20 Tone_2 N004 100n
R37 Switch N010 390k
C21 Switch N010 560p
R1 N004 I 390k
R2 N010 N014 8.2k
C1 N014 N013 100n
Q1 N013 N001 N006 0 2N3904
D1 N001 N015 1N4148
D2 N015 N001 1N4148
C3 N015 N013 47n
R5 N013 N001 390k
C4 N013 N001 560p
R3 0 N006 150R
R4 0 N001 82K
C2 N001 N009 100n
R6 N009 Sustain_2 8.2k
C5 Switch Tone_3 3.3n
C6 I 0 100n
Q2 N012 N011 N007 0 2N3904
R7 N012 I 18k
R8 I N013 12k
R9 N011 N012 390k
C7 N011 N012 560p
C8 N017 N011 100n
R11 I N017 33k
R13 0 N007 100r
R14 N011 0 82k
C9 Sustain_3 N011 100n
R15 Sustain_1 Volume_1 820r
C10 Input 0 100p
C11 Tone_3 Switch C
.tran 0 20 0 22.7u
.wave "OutputFuzz.wav" 24 44.1k V(Volume_2)

* LTspice schematic (.asc)
Version 4.1
SHEET 1 6464 3584
WIRE 880 -1776 720 -1776
WIRE 1104 -1776 944 -1776
WIRE -944 -1584 -944 -1632
WIRE -576 -1536 -576 -1616
WIRE -448 -1536 -448 -1616
WIRE -336 -1536 -336 -1616
WIRE -944 -1408 -944 -1504
WIRE -576 -1408 -576 -1456
WIRE -448 -1408 -448 -1456
WIRE -336 -1408 -336 -1456
WIRE 1408 -1376 1408 -1776
WIRE 1536 -1376 1408 -1376
WIRE 1760 -1376 1760 -1776
WIRE 1760 -1376 1616 -1376
WIRE 1920 -1376 1760 -1376
WIRE 2144 -1376 2144 -1776
WIRE 2144 -1376 2000 -1376
WIRE 2496 -1376 2496 -1760
WIRE 2624 -1376 2496 -1376
WIRE 2848 -1376 2848 -1776
WIRE 2848 -1376 2704 -1376
WIRE 3008 -1376 2848 -1376
WIRE 3232 -1376 3232 -1792
WIRE 3232 -1376 3088 -1376
WIRE -352 -1072 -416 -1072
WIRE -240 -1072 -240 -1136
WIRE -240 -1072 -288 -1072
WIRE -416 -1008 -416 -1072
WIRE -240 -1008 -240 -1072
WIRE -896 -928 -896 -1120
WIRE -640 -880 -640 -1088
WIRE 528 -880 528 -1120
WIRE -240 -784 -240 -928
WIRE 112 -768 112 -1120
WIRE -2304 -688 -2832 -688
WIRE -2144 -688 -2224 -688
WIRE -1360 -688 -1824 -688
WIRE -896 -688 -896 -864
WIRE -896 -688 -1360 -688
WIRE -640 -688 -640 -800
WIRE -640 -688 -896 -688
WIRE -240 -688 -240 -784
WIRE -240 -688 -640 -688
WIRE -112 -688 -240 -688
WIRE 112 -688 112 -768
WIRE 112 -688 -32 -688
WIRE 304 -688 112 -688
WIRE 528 -688 528 -800
WIRE 528 -688 384 -688
WIRE 1888 -688 528 -688
WIRE -1824 -512 -1824 -688
WIRE -1360 -512 -1360 -688
WIRE -640 -512 -640 -688
WIRE -240 -512 -240 -688
WIRE 1888 -512 1888 -688
WIRE -448 -464 -448 -528
WIRE -240 -352 -240 -432
WIRE -640 -304 -640 -432
WIRE -448 -304 -448 -400
WIRE -448 -304 -640 -304
WIRE -304 -304 -448 -304
WIRE -288 -304 -304 -304
WIRE 1888 -256 1888 -448
WIRE 1888 -256 -240 -256
WIRE 1888 -208 1888 -256
WIRE -928 -80 -928 -528
WIRE -2304 -16 -2368 -16
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WIRE -2144 -16 -2224 -16
WIRE 928 -16 864 -16
WIRE 1088 -16 1008 -16
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WIRE -2144 64 -2144 -16
WIRE 1088 64 1088 -16
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WIRE 864 144 864 -16
WIRE -3104 192 -3232 192
WIRE -2976 192 -3024 192
WIRE -2832 192 -2832 -688
WIRE -2832 192 -2912 192
WIRE -2432 192 -2832 192
WIRE -1824 192 -1824 -432
WIRE -1424 192 -1824 192
WIRE 1088 192 928 192
WIRE -928 240 -928 -16
WIRE -928 240 -1360 240
WIRE -704 240 -928 240
WIRE -448 240 -448 112
WIRE -448 240 -624 240
WIRE -224 240 -448 240
WIRE 368 240 -144 240
WIRE 864 240 368 240
WIRE -2368 384 -2368 240
WIRE -2272 384 -2368 384
WIRE -2048 384 -2208 384
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WIRE -1824 384 -1968 384
WIRE 1088 496 1088 192
WIRE 1408 496 1088 496
WIRE 1664 496 1472 496
WIRE -2832 560 -2832 192
WIRE -2752 560 -2832 560
WIRE -2608 560 -2688 560
WIRE -1824 560 -1824 384
WIRE -1744 560 -1824 560
WIRE -1600 560 -1680 560
WIRE -2832 672 -2832 560
WIRE -2752 672 -2832 672
WIRE -2688 672 -2704 672
WIRE -2608 672 -2608 560
WIRE -2608 672 -2688 672
WIRE -2512 672 -2608 672
WIRE -2368 672 -2368 384
WIRE -2368 672 -2448 672
WIRE -1824 672 -1824 560
WIRE -1744 672 -1824 672
WIRE -1680 672 -1696 672
WIRE -1600 672 -1600 560
WIRE -1600 672 -1680 672
WIRE -1504 672 -1600 672
WIRE -1360 672 -1360 240
WIRE -1360 672 -1440 672
WIRE 368 736 368 240
WIRE 448 736 368 736
WIRE 592 736 528 736
WIRE -2832 816 -2832 672
WIRE -2752 816 -2832 816
WIRE -2608 816 -2672 816
WIRE -1824 816 -1824 672
WIRE -1744 816 -1824 816
WIRE -1600 816 -1664 816
WIRE 368 864 368 736
WIRE 448 864 368 864
WIRE 592 864 592 736
WIRE 592 864 512 864
WIRE 1088 864 1088 496
WIRE 1088 864 592 864
WIRE 1296 864 1088 864
WIRE 1472 864 1360 864
WIRE 1888 864 1888 -128
WIRE 1888 864 1552 864
WIRE -928 928 -928 240
WIRE -2832 944 -2832 816
WIRE -2752 944 -2832 944
WIRE -2608 944 -2608 816
WIRE -2608 944 -2688 944
WIRE -2368 944 -2368 672
WIRE -2368 944 -2608 944
WIRE -1824 944 -1824 816
WIRE -1744 944 -1824 944
WIRE -1600 944 -1600 816
WIRE -1600 944 -1680 944
WIRE -1360 944 -1360 672
WIRE -1360 944 -1600 944
WIRE 1888 992 1888 864
WIRE 1088 1328 1088 864
WIRE 1888 1328 1888 1056
WIRE -2368 1408 -2368 944
WIRE -1616 1408 -2368 1408
WIRE -464 1408 -1536 1408
WIRE -448 1408 -448 240
WIRE -448 1408 -464 1408
WIRE -448 1600 -448 1408
WIRE -448 1792 -448 1664
WIRE 1088 1792 1088 1408
WIRE 1888 1792 1888 1408
FLAG -576 -1408 0
FLAG -576 -1616 Volume
FLAG -448 -1408 0
FLAG -448 -1616 Tone
FLAG -336 -1408 0
FLAG -336 -1616 Sustain
FLAG -240 -1136 Input
FLAG -944 -1632 Input
FLAG -944 -1408 0
FLAG 112 -1120 Output
FLAG -240 -784 Volume_1
FLAG 112 -768 Volume_2
FLAG 1760 -1776 Tone_2
FLAG 1888 1792 0
FLAG 2848 -1776 Sustain_2
FLAG 3232 -1792 Sustain_3
FLAG -448 -528 Tone_2
FLAG -2144 64 0
FLAG -3232 192 Sustain_2
FLAG -928 928 Switch
FLAG -928 -528 Tone_3
FLAG -448 1792 0
FLAG -464 1408 I
FLAG 1088 64 0
FLAG 1088 1792 0
FLAG 1664 496 Sustain_3
FLAG 2496 -1760 Sustain_1
FLAG -640 -1088 Sustain_1
FLAG 2144 -1776 Tone_3
FLAG 528 -1120 Tone_3
FLAG 1408 -1776 Tone_1
FLAG -896 -1120 Tone_1
FLAG -416 -1008 0
FLAG 1888 864 I
FLAG 720 -1776 Switch
FLAG 1104 -1776 Tone_3
SYMBOL res 400 -704 R90
SYMATTR InstName R_v2
SYMATTR Value R=50k*(1 - V(volume))
SYMBOL res -16 -704 R90
SYMATTR InstName R_v1
SYMATTR Value R=50k*V(volume)
SYMBOL voltage -576 -1552 R0
SYMATTR InstName V1
SYMATTR Value 0.999
SYMBOL voltage -448 -1552 R0
SYMATTR InstName V2
SYMATTR Value 0.5
SYMBOL voltage -336 -1552 R0
SYMATTR InstName V3
SYMATTR Value 0.95
SYMBOL voltage -944 -1600 R0
SYMATTR InstName V5
SYMATTR Value wavefile="sample.wav"
SYMBOL res -256 -1024 R0
SYMATTR InstName R_in
SYMATTR Value 2m
SYMBOL npn -304 -256 M180
SYMATTR InstName Q4
SYMATTR Value 2N3904
SYMBOL res -256 -528 R0
SYMATTR InstName R12
SYMATTR Value 1k
SYMBOL res -656 -528 R0
SYMATTR InstName R10
SYMATTR Value 47k
SYMBOL cap 1872 -512 R0
SYMATTR InstName C16
SYMATTR Value 100n
SYMBOL res 2016 -1392 R90
SYMATTR InstName R_t2
SYMATTR Value R=50k*(1 - V(Tone))
SYMBOL res 1632 -1392 R90
SYMATTR InstName R_t1
SYMATTR Value R=50k*V(Tone)
SYMBOL cap -912 -928 R0
SYMATTR InstName C17
SYMATTR Value 10n
SYMBOL npn -1424 240 M180
SYMATTR InstName Q3
SYMATTR Value 2N3904
SYMBOL res -1376 -528 R0
SYMATTR InstName R30
SYMATTR Value 100r
SYMBOL res -1840 -528 R0
SYMATTR InstName R31
SYMATTR Value 100k
SYMBOL diode -1744 544 M90
SYMATTR InstName D4
SYMATTR Value 1N4148
SYMBOL diode -1680 656 R90
SYMATTR InstName D3
SYMATTR Value 1N4148
SYMBOL cap -1504 688 R270
SYMATTR InstName C18
SYMATTR Value 47n
SYMBOL diode 1904 1056 R180
SYMATTR InstName D5
SYMATTR Value 1N5817
SYMBOL voltage 1888 1312 R0
SYMATTR InstName V_in
SYMATTR Value 9
SYMBOL res -608 224 R90
SYMATTR InstName R32
SYMATTR Value 18k
SYMBOL res 1904 -112 R180
SYMATTR InstName R33
SYMATTR Value 12k
SYMBOL res 3104 -1392 R90
SYMATTR InstName R_s2
SYMATTR Value R=50k*(1 - V(Sustain))
SYMBOL res 2720 -1392 R90
SYMATTR InstName R_s1
SYMATTR Value R=50k*V(Sustain)
SYMBOL res 512 -896 R0
SYMATTR InstName R36
SYMATTR Value 39k
SYMBOL cap -464 -464 R0
SYMATTR InstName C20
SYMATTR Value 100n
SYMBOL res -1648 800 R90
SYMATTR InstName R37
SYMATTR Value 390k
SYMBOL cap -1680 928 R90
SYMATTR InstName C21
SYMATTR Value 560p
SYMBOL res -464 16 R0
SYMATTR InstName R1
SYMATTR Value 390k
SYMBOL res -1952 368 R90
SYMATTR InstName R2
SYMATTR Value 8.2k
SYMBOL cap -2208 368 R90
SYMATTR InstName C1
SYMATTR Value 100n
SYMBOL npn -2432 240 M180
SYMATTR InstName Q1
SYMATTR Value 2N3904
SYMBOL diode -2752 544 M90
SYMATTR InstName D1
SYMATTR Value 1N4148
SYMBOL diode -2688 656 R90
SYMATTR InstName D2
SYMATTR Value 1N4148
SYMBOL cap -2512 688 R270
SYMATTR InstName C3
SYMATTR Value 47n
SYMBOL res -2656 800 R90
SYMATTR InstName R5
SYMATTR Value 390k
SYMBOL cap -2688 928 R90
SYMATTR InstName C4
SYMATTR Value 560p
SYMBOL res -2208 -32 R90
SYMATTR InstName R3
SYMATTR Value 150R
SYMBOL res -2208 -704 R90
SYMATTR InstName R4
SYMATTR Value 82K
SYMBOL cap -2912 176 R90
SYMATTR InstName C2
SYMATTR Value 100n
SYMBOL res -3008 176 R90
SYMATTR InstName R6
SYMATTR Value 8.2k
SYMBOL cap -912 -16 R180
SYMATTR InstName C5
SYMATTR Value 3.3n
SYMBOL cap -464 1600 R0
SYMATTR InstName C6
SYMATTR Value 100n
SYMBOL npn 928 240 R180
SYMATTR InstName Q2
SYMATTR Value 2N3904
SYMBOL res -128 224 R90
SYMATTR InstName R7
SYMATTR Value 18k
SYMBOL res -1520 1392 R90
SYMATTR InstName R8
SYMATTR Value 12k
SYMBOL res 544 720 R90
SYMATTR InstName R9
SYMATTR Value 390k
SYMBOL cap 512 848 R90
SYMATTR InstName C7
SYMATTR Value 560p
SYMBOL cap 1360 848 R90
SYMATTR InstName C8
SYMATTR Value 100n
SYMBOL res 1568 848 R90
SYMATTR InstName R11
SYMATTR Value 33k
SYMBOL res 1024 -32 R90
SYMATTR InstName R13
SYMATTR Value 100r
SYMBOL res 1072 1312 R0
SYMATTR InstName R14
SYMATTR Value 82k
SYMBOL cap 1472 480 R90
SYMATTR InstName C9
SYMATTR Value 100n
SYMBOL res -656 -896 R0
SYMATTR InstName R15
SYMATTR Value 820r
SYMBOL cap -288 -1088 R90
SYMATTR InstName C10
SYMATTR Value 100p
SYMBOL cap 944 -1792 R90
SYMATTR InstName C11