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Author: Subject: Help w/ Tube Amp Rattling

Peach Master





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  posted on 3/4/2009 at 09:57 PM
I have a mid 80's Fender Super Champ. Basic 18W practice amp. Recently had tubes changed for the first time. sounded pretty good for a while, but there's this rattling noise that on the high end that is driving me NUTS (sounds like little chains being dropped repeatedly in the back off the amp).
Is this just tube rattling? (I play at very low volume) OR is my speaker crapping out after 20+ years (I think there's some sort of buzzing in the cone too). I am OK w/ basic guitar tech, but stink when it comes to amps. C'mon all you Farmers out there..HELP ME!

 
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Peach Master



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  posted on 3/4/2009 at 10:02 PM
Oh...Forgot to mention. That rattling noise much more pronounced when gee-tar is in overdrive or distorted.
 

Peach Extraordinaire



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  posted on 3/4/2009 at 10:13 PM
Make sure all the tubes are in tight and not loose. Look in the back of the amp while you are playing in overdrive and see if you can determine exactly where the rattling is coming from. May just be a loose tube.

 

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Peach Master



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  posted on 3/9/2009 at 03:14 PM
Thanks..chcked tubes and they were pretty snug. Can it be the speaker or cone??
 

Peach Extraordinaire



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  posted on 3/9/2009 at 03:43 PM
Hi BrandonP...I had this problem with a blues Jr. To get rid of the rattle I took the chassis and speaker out. I removed the handle and every screw....basically I tore it completely apart and put it back together. The rattle went away and it took me all of about 45 minutes to do it. My thought was spend 45 minutes to make sure everything is tight or spend weeks tweeking around with different things and maybe never finding the problem.

[Edited on 3/9/2009 by goldtop]

 

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