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One channel of the amplifier seems to cut out

I have two onkyou M-1501 amps that have the same problem. When I run them with my home theatre to get more watts, it seems that one of the channels (L or R) cuts out so that it can barely be heard.

In the past I ran 2 or 3 speakers to the same channel to get it to bridge, this may have caused the problem.

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I see now how it could have happened to both amps. Yes, this triple speaker combo will cause this problem.

Next time if you want to run speakers like that, instead of parallelling them, series them.
That way the load is balanced between the speakers.

Here is a great primer, dont worry about the calculations and mumbo jumbo, the pictures should tell you what you need to know to get it done.

http://www.termpro.com/articles/spkrz.html


also when you talk about bridge, that is usually done on the amp rather than the speaker. For example I could have a 4 channel amp, and bridge it to 2 by combining the channels, BEWARE not just parrallell again, there will be a specific order for each different amp and it will be marked.
You can also bridge a two channel amp to make one Single channel amp with almost double the power, but again only to one channel, now that its bridged.

Hope that helps once again. I'm going to look up that amp, if you want more specifics.

Charles

Posted on Jan 09, 2009

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You have a shorted speaker, crossed speaker wires Or a blown speaker. The amp is reacting to the short.

Start with one speaker by itself, unplug the rest. Check the polarity. Run it on the channel that cuts out. can you replicate it? Check the connections on the amp, and see if they are really close to touching.

Absolutely if it happens on both amps, unless you bought both B stock or Remanufacturerd and they have the same problem. This is rare

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