CA3130

Reference: IC-282

TL072

Reference: IC-294

LM324N

Quad opamp

Reference: IC-286

NJM4580D

Dual DIP-8 Operational Amplifier

OP07N

DIP-8 Operational Amplifier

Brand: Analog Devices

OP275

Dual Bipolar/JFET, Audio op-amp

Reference: IC-261

TL061

Reference: IC-273

TL022

Reference: IC-258

TL082CP

Brand: Burr-Brown

OPA2134PA

SoundPlus(TM) Hi-Perf Aud Op-Amp

Reference: IC-276

TL074CN

Texas Instruments DIP14

Reference: IC-263

LM13600N

National Semiconductors

Reference: IC-268

TL062ACP

Reference: IC-254

LM308N

Reference: IC-257

CA3080E

Intersil OTA

Reference: IC-288

NE5532AP

Texas Instruments DIP8

Reference: IC-272

OPA2604AP

Burr-Brown DIP8