A-102 Diode Ladder (EMS) MC1458
A-103 Diode Ladder (TB303) MC1458
A-105 SSM-type Filter SSM2044, LM324
A-106-1 Xtreme Filter (Korg) TL084, LF412
A-106-6 XP Filter TL074 x4
A-107 Morphing Filter SSM2164, CEM3379, CD4053, TL074 x2, CA3080 x4, TLC5620 (DAC), LM324 x3, TL084, 24LC16, PIC16F73
A-108 6/12/24/48dB Low Pass TL084 x4, CA3083 x4
A-110 VCO TL064, CA3046
A-111 High-end VCO TL064, CEM3340
A-114 Ring Modulator TL062, MC1496
A-115 Audio Divider TL061, 4024
A-116 Waveform Processor TL064, CA3080
A-119 External Input TL064, LM324
A-120 VCF TL084 (only newer Versions)
A-121 Multimode VCF 12dB TL062, CEM3320
A-122 Lowpass VCF (Oberheim) 24dB TL062, CEM3320
A-123 24dB High Pass VCF TL062, CEM3320
A-124 Wasp Filter MC1458, CA3080, 4069
A-125 Phase Shifter TL062, TL064
A-126 Frequency Shifter TL062, TL064 x3, TL084 x2, PA382, MC1496 x2
A-127 Triple VCRF TL062, TL084, CA3080 x2
A-129/3 Vocoder Slew Limit TL064, 4066
A-129/5 Voiced/Unvoiced Detector TL064, NE5532, 4053
A-130 Lin VCA (v2 1996) TL062 x2, PA381
A-130 Lin VCA (v2 2001) LM324, CA3080
A-131 Log VCA (v2 1996) TL062 x2, PA382
A-131 Log VCA (v2 2001) LM324, CA3080
A-132 Dual VCA TL061, CA3080
A-132-3 Dual linear/exponential VCA TL074 x2
A-132-4 Quad exponential VCA / Mixer TL074 x4
A-133 Dual VC Polarizer LM324 x2, LM13700, LM358
A-134 Pan TL062, TL064, PA381
A-135 VC Mixer PA381 x2, LM324 x2, TL082
A-136 Distortion LM324 x2
A-137 VC Wave Multiplier LM324 x4, LM13700 x2
A-138a Lin Mixer TL062
A-138b Log Mixer TL062
A-148 Sample & Hold TL064, 4053
A-150 VC Switch 4053
A-150 VC Switch (version 2) DG409
A-151 Quad sequential switch 4024, 4052
A-163 VC Frequency Divider MC1458, PIC16C73
A-172 Maximum/minimum LM324 x2
A-175 Inverter TL062
A-199 Spring Reverb TL064 or TL084, LM386