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Audio-circuit-bridge

2016-01-05 05:27  
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This circuit shows a method which increases the power capability of a drive system for audio speakers. Two HA-2542s are used to operate on half cycles only, which greatly increases their power handling capability. Bridging the speaker, as shown, makes 200 mA of output current available to drive the load.
Audio-circuit-bridge

The HA-5102 is used as an ac-coupled, low noise preamplifier, which drives the bridge circuit.



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