BTL2101 by Wang Qiao - diyAudio
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Old 23rd December 2014, 11:14 AM   #1
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Join Date: Apr 2004
Location: Jylland
Default BTL2101 by Wang Qiao

I have a System Audio SA 175 subwoofer which from time to time puts out a lot of DC for about a sec or so. Not good!
I have isolated the fault to the power amp board. There is a black box named BTL 2101 and the output stage is IRFP260 (4 pcs)
Powersupply seems OK so I believe the black box is somehow messed up.

Does anybody know anything ?

Thanks you
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