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Amp Trouble (I think?)

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foogered  
17 Jul 2008 20:31 | Quote
Joined: 30 Apr 2008
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Well, I play through a Peavey Deuce, but lately I've noticed a high-pitched ringing when it's turned on. I can't really be sure if this has always been there or not, but it sure would be nice to get rid of it.

Has anybody else experienced anything like this?
foogered  
17 Jul 2008 23:47 | Quote
Joined: 30 Apr 2008
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I've also heard that this is just a result of the tubes heating up. Is there any truth in this claim?
les_paul  
17 Jul 2008 23:55 | Quote
Joined: 14 Feb 2008
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I've never heard it in my amp.

Edit: sorry that didn't really offer much help did it:P
ThePusher  
18 Jul 2008 01:13 | Quote
Joined: 19 Jan 2008
Canada
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Sounds like feedback turn it down a little
foogered  
18 Jul 2008 02:08 | Quote
Joined: 30 Apr 2008
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Definately not feedback. It occurs at all volume levels, and doesn't interupt my guitar at all. If it were feedback, it would take a moment to kick in, but this is a constant ringing noise.
Skold  
18 Jul 2008 03:46 | Quote
Joined: 14 Mar 2008
United States
Karma: 3
Can you record a sample for us?
deefa  
18 Jul 2008 05:50 | Quote
Joined: 22 Dec 2007
United Kingdom
Karma: 8
Have you sited it close to any other electrical appliance?
NCFC91  
18 Jul 2008 06:03 | Quote
Joined: 11 Jul 2008
Karma
Not an expert at this, but sometimes this happens to me or something similir when i am using a guitar lead of little quality or a lead which is on the verge of needing a new one maybe.
deefa  
18 Jul 2008 06:06 | Quote
Joined: 22 Dec 2007
United Kingdom
Karma: 8
A@ NCFC91:-

Yep. Quite right. Also check connectors and connections.
foogered  
18 Jul 2008 08:10 | Quote
Joined: 30 Apr 2008
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Yeah, could be. My cables aren't exactly high quality, and I'm running them through about 4 stomp boxes.

Also, the amp is in a room with 2 computers at either end. I'll take it out and see if it changes anything.

Thanks for the suggestions guys.
deefa  
18 Jul 2008 09:51 | Quote
Joined: 22 Dec 2007
United Kingdom
Karma: 8
The stomp boxes may also be the problem, I know nothing about them myself but I do recall reading something about them having to be wired in in a specific order. Just a thought.
foogered  
18 Jul 2008 09:54 | Quote
Joined: 30 Apr 2008
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Hmm, I don't think wiring them in a different order will do any good. The signal still has to pass through each one.
Guitarslinger124  
18 Jul 2008 19:45 | Quote
Joined: 25 Jul 2007
United States
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Moderator
good be a soldering problem. too much signal shooting through your amp. check your electrics in your amp. crappy cable can be another problem. check out borrowing a noise reduction pedal...may solve the issue.
Skold  
18 Jul 2008 19:59 | Quote
Joined: 14 Mar 2008
United States
Karma: 3
Might be an interference with the PC's.
lance  
19 Jul 2008 07:26 | Quote
Joined: 03 Mar 2008
United States
Karma: 1
is the ringing comming through the speakers or is it comming from the chasis ?
if it's from the chasis then it could be time for a retubing. i did
have a 5w peavey valve king and the output tube used to ring when played.
it could only be heard at low volumes. daddy's claimed it was normal
when i brought it back to them. i've had several tube amps and none
had ringing tubes.


EDIT - something i pulled of another site in relation to preamp tubes

Q: I have a microphonic preamp tube, do I need to replace it?

A: Possibly. If the noisy tube is in a gain stage or reverb position, then yes, it should be replaced. However, before you spend money on a new tube, you may have another option. Does you amp have tremolo or vibrato? If so, it most likely has a 12AX7 tube that is used as an oscillator for the tremolo/vibrato circuit. This is the least critical tube position in your amp and one where a microphonic tube will have no effect on the tone.

So, assuming both tubes are the same type (usually 12AX7ís), try swapping the noisy preamp tube with the tube in the tremolo/vibrato position. You may resolve your noisy tube problem and it didnít cost you anything!


foogered  
19 Jul 2008 12:22 | Quote
Joined: 30 Apr 2008
United States
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Karma: 9
I know what you're talking about, but it's not that kind of ring.

I'll give your other advice a look when I check out my amp, eventually. :P I don't play electric very often anymore. Heheh.


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