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Old 30th April 2004, 07:25 AM   #1
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Question Protecting loudspeakers in bridge amplifier

I make one-channel bridge amplifier 2xTDA7293. Protection circuit used relay and standard schema for DC detection. Is it necessary to use 2 DC-sensors (2 resistors with non-equivalent value) for both outputs of amplifier or itís enough 1 ?
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Old 3rd May 2004, 07:15 AM   #2
B.VDBOS is offline B.VDBOS  New Zealand
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One should work ok

Its only really the AC zero volt reference thatís changed, it should still detect DC
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