Quadraphonic Amplifier

Published:2011/11/7 21:40:00 Author:Ecco | Keyword: Quadraphonic Amplifier | From:SeekIC

This is a four channel amplifier ideally suited for use with quadraphonic equipment such as a Sound Blaster Live card. There is no volume control,audio levels being directly controlled from the sound card itself. Parts List:D1-D4: 1N4001 (4)C1,C20: 1000u CAP (2)C2,C11: 47u CAP (2)C3,C5,C7,C8,C12,C14,C16,C17,C21,C22: 0.1u CAP (10)C4,C6,C13,C15: 10u CAP (4)C9,C10,C18,C19: 2200u CAP (4)R1,R4,R9,R12: 1M RESISTOR (4)R2,R6,R10,R14: 100k RESISTOR (4)R3,R5,R11,R13: 1k RESISTOR (4)R7,R8,R15,R16: 2R7 RESISTOR (4)IC1: 7812 (1)IC2,IC3: LM1778N (2)SPK1,SPK2,SPK3,SPK4: 8R 2 Watt speakers (4)



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