5 x TL072CD - Low noise JFET dual operational amplifiers - TL072C - TEXAS

LM358 ( x 2 pieces ) Dual Operational Amplifiers AOP DIP8

2x LM324N Texas Instruments Quad Operational Amplifier DIP-14

1 x TL062GCP - Low-Power JFET-Input Operational Amplifiers

2 x LP2902N - Micropower Quad Operational Amplifier DIP14 - NATIONAL SEMICOND.

2 x UA741CP - GENERAL-PURPOSE OPERATIONAL AMPLIFIERS

1 x MC33079P - DUAL/QUAD LOW NOISE OPERATIONAL AMPLIFIERS - MOTOROLA

TL074CD - Low-Noise FET-Input Operational Amplifiers - TL074C - TEXAS