Subwoofer Amplifier Circuit

  
Designed to feed a low-frequency subwoofer speaker system, the amplifier is capable of up to 100 W into an 8- load. The OPA541BM op amp requires heatsinking and is manufactured by Burr-Brown Corporation.
Subwoofer Amplifier Circuit - schematic

A damping control and a relay to eliminate turn-on and turn-off thump in the speaker is included.




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