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Peavey Mark VI problem.

JimmyKickButt

JimmyKickButt

Sep 20, 2009
249
1
Roseburg, Or
#1
Hey! I have a Peavey Mark VI with a matching 1810 Cab. When I'm playing the sound seems kind of muffled and is accompanied by a bit of a buzz/distortion sound. I'm pretty sure it's not my bass or cable as I don't have the issue when running it through my churches sound system. I play plugged into the High Gain input (passive bass) with pre-gain set about ten-eleven O'clock and the post gain between seven-ten O'clock. In other words, it's not that loud. I would appreciate any ideas as to what might be the cause of this and how to possibly fix it. Thanks!
 
#14
one other thing, the problem isn't consistent. Sometimes it's very perfect, other times (like when I played this afternoon) it cuts in and out, and then it will be a strong prominent distortion in the mix. Also, it volume of the buzz is consistent. It seems like I can drown it out if I turn up the volume. Needless to say, due to the inconsistency of the issue, it may take a while to diagnose it :/
 
#16
JimmyKickButt said:
one other thing, the problem isn't consistent. Sometimes it's very perfect, other times (like when I played this afternoon) it cuts in and out, and then it will be a strong prominent distortion in the mix. Also, it volume of the buzz is consistent. It seems like I can drown it out if I turn up the volume. Needless to say, due to the inconsistency of the issue, it may take a while to diagnose it :/
Click to expand...

Try taking a single instrument cable and jack your fx loop send into the return straight up, and play your bass through your amp through the input you normally use. If the problem goes away you, you need to clean the fx loop jacks. Your description of your troubles reminds of the dirty fx loop problem that is often is never considered, as a lot of players don't run effects to begin with. I've run into it maybe twice in all my years, and it was a savvy amp tech at Deitze Music in Lincoln Nebraska, that educated me on this little known problem that can happen every so often with some amps.

I ain't saying it's your problem, but at least you can eliminate it from a list of possible troubles that might be affecting your amp. If that ain't the problem I'd start looking at solder connections in the amp head.
 
#17
JimmyKickButt said:
Hey! I have a Peavey Mark VI with a matching 1810 Cab. When I'm playing the sound seems kind of muffled and is accompanied by a bit of a buzz/distortion sound. I'm pretty sure it's not my bass or cable as I don't have the issue when running it through my churches sound system. I play plugged into the High Gain input (passive bass) with pre-gain set about ten-eleven O'clock and the post gain between seven-ten O'clock. In other words, it's not that loud. I would appreciate any ideas as to what might be the cause of this and how to possibly fix it. Thanks!
Click to expand...

If the effects loop, and speaker remedies others have mentioned don't resolve the issue then re-flowing the solder on the treble pot's (legs?) might.
 

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