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Class D Switching Power Amplifiers and Power D/A conversion

Noisy Amp6
Noisy Amp6
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Old 22nd May 2006, 02:21 AM   #1
jwb009 is offline jwb009  United States
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Default Noisy Amp6

After turning my amp6 on it's silent, but after 5-10 minutes of playing music I get a lot of noise coming from the left speaker. Its crackles and pops mostly. Also, if I move either set of speaker wires a little (from board to the binding posts), the right speaker cuts out. Doesn't matter if I move the left wires, or right.

Any Ideas, maybe I can ground something? When I had a t-amp setup in the same case, it was dead silent. Heres a pic of the amp6
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Old 23rd May 2006, 11:50 PM   #2
jwb009 is offline jwb009  United States
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someones gotta know
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Old 24th May 2006, 12:46 AM   #3
Pano is offline Pano  United States
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Noisy Amp6
You probabaly have a bad solder on one of the left speaker lines. Certainly isn't a short to the case, 'cause it's wood!

Check your soldering, see if you can find exactly were moving the wires causes the problem. Your trouble will likely be there.

Please use shielded wire for your inputs! Whatever you can get will be better than bare wire.
Take the Speaker Voltage Test!
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Old 25th May 2006, 02:05 AM   #4
jwb009 is offline jwb009  United States
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Thanks pano, a little extra solder fixed the cutting out...not sure about the noisy left channel yet though. Do you have any recommendations on insulated wire? Im thinking of this stuff from ebay:

Thanks again!
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