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Old 6th November 2007, 11:55 PM   #1
judtoff is offline judtoff  Canada
diyAudio Member
Join Date: Jul 2005
Location: Goderich
Question MA Audio 802sx help

Ok so here's the deal, my MA audio 802SX is not working. The amp powers up fine. There are no protection LEDs on. It has worked for 4 months fine. So heres what its doing, there is no power coming out of it! The VU meter on its LCD doesn't register any signal. I've used my HU, iPod, and a function generator.

Its only started after I installed the bass knob. I have disconnected it and nothing.

I took the amp apart(got some guts pics on the way) and nothing is wrong, I made sure the solder joints were solid. The connectors are tight...IDK

So I'm lost. I checked if the remote knob pins were shorted in the amp, they aren't.

I had it working for 15 minutes today I'm thinking something is loose.


Heres my thread at ROE
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Old 12th November 2007, 12:29 PM   #2
judtoff is offline judtoff  Canada
diyAudio Member
Join Date: Jul 2005
Location: Goderich
Can anybody help me?
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Old 12th November 2007, 02:25 PM   #3
ppia600 is offline ppia600  United States
diyAudio Member
Join Date: Jun 2007
Location: Louis y ana
"I had it working for 15 minutes today I'm thinking something is loose."
Sounds likely..

Unless you used an incorrect bass knob, something in the preamp audio or preamp power section could be damaged..

Got any pics yet?
Don't worry... you can always turn the gain down!
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