LM13700

Reference: IC-276

TL074CN

Texas Instruments DIP14

Reference: IC-294

LM324N

Quad opamp

Reference: IC-287

LM358AN

Reference: IC-288

NE5532AP

Texas Instruments DIP8

Reference: IC-264

MC1458

Reference: IC-282

TL072

Reference: IC-254

LM308N

Reference: IC-258

TL082CP

Reference: IC-275

UA741

Reference: IC-268

TL062ACP

OP07N

DIP-8 Operational Amplifier

Reference: IC-263

LM13600N

Reference: IC-261

TL061

Reference: IC-283

JRC4558D

Reference: IC-273

TL022

Reference: IC-272

OPA2604AP

Burr-Brown DIP8