OP227EY - PMI - Dual Low-Noise Instrumentation Op-Amplifier CDIP-14

SSM2017P - PMI - AUDIO PREAMPLIFIER

SSM2210S - PMI - Audio Dual Natched NPN transistor SOP8

MC4558CN - ST - Operational Amplifiers - Op Amps Dual Wide Bandwidth

LM386N-1 - NSC - Audio Amplifiers

SSM2141P - PMI - High Common-Mode Rejection Differential Line Receiver

OP12EJ - PMI - Precision Operational Amplifiers

MC33171P - MOTOROLA - Operational Amplifiers - Op Amps 3-44V Single Lo PWR