INTRODUTION
The S1A0291X01 is a monolithic integrated circuit consisting of a dual input playback amplifier and a dual input record amplifier for double-deck or auto-reverse operation.
It is suitable for 6V — 9V double-deck or auto-reverse cassette applications.

FEATURES
• Dual input two-channel playback amplifier
• Two-channel record amplifier
• Built-in ALC and Muting circuit
• PB/REC and playback input select switch included
• Power ON ALC discharge circuit included
• Operating supply voltage: Vcc = 4V — 12V
• REC/PB power on quick start circuit
• Few external part required