This PCB uses the Unisonic uPC1237 and provides DC offset protection and switch ON/OFF muting. Rather than use a relay to connect the loudspeaker to the amplifier, the Hifisonix Speaker Protection Board uses mosfets which do not suffer from arcing or any other wear out mechanisms. Additionally, there is a short circuit input provided that can be triggered by a user circuit. The board will work on voltages from 20V through to 75V (requires some resistor changes – all details provided in the write-up).
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Item: Hifisonix Speaker Protection PCB
Unit price: $14.00
Shipping: $15.00
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