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Old 4th May 2010, 10:15 PM   #11
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Join Date: Nov 2003
Location: Louisiana
It's a bit late but... With the power supply transistors out of the circuit, there is very little that can be damaged by overheating. This applies to virtually all amps except the few that have secondary power supplies with transistors that need to be clamped to the heatsink (old MTX class D amps and a few others).

5.2 volts means it's likely working properly.
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Old 29th November 2011, 04:53 PM   #12
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Any updates on this amplifier repair? What was the cure?
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Old 30th November 2011, 01:25 PM   #13
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Yea we replaced all the output fets and its been working great for about a year
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