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Old 15th June 2003, 07:19 PM   #1
Ford_V6 is offline Ford_V6  Romania
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Join Date: Mar 2003
Location: Bucharest
Default Amp damaged . . . need help !

Hy !

I have a car amp built around two pairs of D844 / B754 transistors and two C1815, one between each pair of output devices on the heatsink.

This amp has 4 big transformers on the output.

One channel is dead . . . . . maybe an output transistor is fried, but the other channel is still working with a problem:
When i turn the volume loud enough or i add some deep bass the output transformer starts to make a strange vibration and noise and some pops and clicks are heard loud into the speaker.

How . . . what can be the problem and how much power can i expect from this amp design ?

Thanks in advance.

Liviu
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