LM308N

Reference: IC-273

TL022

Reference: IC-283

JRC4558D

Reference: IC-257

CA3080E

Intersil OTA

Reference: IC-258

TL082CP

Brand: Burr-Brown

OPA2134PA

SoundPlus(TM) Hi-Perf Aud Op-Amp

Reference: IC-294

LM324N

Quad opamp

Brand: Analog Devices

OP275

Dual Bipolar/JFET, Audio op-amp

Reference: IC-261

TL061

Reference: IC-286

NJM4580D

Dual DIP-8 Operational Amplifier

Reference: IC-268

TL062ACP

Reference: IC-282

TL072

Reference: IC-287

LM358AN

Reference: IC-288

NE5532AP

Texas Instruments DIP8

Reference: IC-292

CA3130

OP07N

DIP-8 Operational Amplifier

Reference: IC-265

CA3140

Intersil CA3140 BiMOS Operational Amplifier