Question about Amplifiers & Preamps
I've tried different speakers and new cabling, but the problem persists. The speaker will be fine at first but after about an hour the sound on one side gets weaker until there is no sound at all,
It's always out of the same connectors on the amp.
Might be your amp dying on you? Overheating and giving up in the end. Open it up and check the output stage. Depending on make/model it's using power modules or a few transistors per channel. The modules are little black boxes screwed onto a heatsink as are the transistors, only a bit smaller and usually two per channel. When one of the pairs feels warmer than the other the problem lies there. Best to bring it into a repair shop.
Posted on Jan 12, 2008
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