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RE: The blown amp is now back

Posted by erik_sq (A) on October 23, 2016 at 09:19:20

In Reply to: The blown amp is now back posted by TGR on October 21, 2016 at 15:08:41:

When exactly did the amp blow? Was it idling? Playing particularly loud brass? Bass?

The likely culprits are either a cable short, or excessive capacitance in the cable construction.

Reasonably accurate meters that can measure both Ohms and Farads are under $40.

Also, what speakers are you using? If they are capacitive by design such as ESL's that could also be an issue, but I would think Classe amps take that possibility into account.

Another possibility is that you have a source that's oscillating. That is, for some reason it's pushing out a lot of RF and the amp has too much bandwidth so tries to play it. That would be harder to track down without an oscilloscope.

Best,


Erik

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