Noisy guitar - but only in one amp? Or is it the amp?

Sidney Vicious · April 30th, 2006, 11:14 PM

I was gonna shield my stock 60's Classic Telecaster cause the noise was driving me nuts - it would get a whole lot quieter when my hand was on the strings - when I noticed that the noise is much more acceptable with my Musicmaster Bass Amp than with my serviced and in excellent shape SF Princeton Reverb.

It is really annoying with the Princeton - not really an issue with the MMB - at similar volume.

Same guitar, cord, outlet, time - what is going on?

Any suggestions welcome.

voided3 · May 2nd, 2006, 12:05 AM

Hello. Perhaps your reverb pan is picking up humming from the power transformer. I had an SS Ampeg head that did that, and i just reinstalled the reverb pan backwards to make it stop. Just a thought.

zook · May 2nd, 2006, 12:15 AM

Question: Does the faulty amp have a grounded AC cord? If it doesn't that would contribute to the problem.

Second, Did you plug both amps into the same outlet? Old houses sometimes do not have grounded outlets, there may be a three prong outlet, but there;s no guarantee that it's that way inside the wall.

Winnie

getbent · May 2nd, 2006, 12:44 AM

last time I had this problem, it was a bad ground (cold solder joint) due to my hurried and hackneyed soldering.... once I fitzed it... all was good in the garden...

check your joints...

Sidney Vicious · May 2nd, 2006, 12:51 AM

It is the same outlet and the plug is a three prong.

Looks like I need to check some solders.

Wish me luck.

April 30th, 2006, 11:14 PM	#1 (permalink)
Sidney Vicious Tele-Afflicted Join Date: May 2003 Location: New Orleans, Louisiana, USA Posts: 1,246 13 Photos	Noisy guitar - but only in one amp? Or is it the amp? I was gonna shield my stock 60's Classic Telecaster cause the noise was driving me nuts - it would get a whole lot quieter when my hand was on the strings - when I noticed that the noise is much more acceptable with my Musicmaster Bass Amp than with my serviced and in excellent shape SF Princeton Reverb. It is really annoying with the Princeton - not really an issue with the MMB - at similar volume. Same guitar, cord, outlet, time - what is going on? Any suggestions welcome.

May 2nd, 2006, 12:15 AM	#3 (permalink)
zook Tele-Holic Join Date: Aug 2003 Location: Northeast Kingdom, Vermont Posts: 833	Question: Does the faulty amp have a grounded AC cord? If it doesn't that would contribute to the problem. Second, Did you plug both amps into the same outlet? Old houses sometimes do not have grounded outlets, there may be a three prong outlet, but there;s no guarantee that it's that way inside the wall. Winnie __________________ I have noticed that happy people are often evaluating themselves and unhappy people are always evaluating others. -William Glasser

May 2nd, 2006, 12:44 AM	#4 (permalink)
getbent Moderator Doctor of Teleocity Join Date: Mar 2006 Location: San Benito County, California Posts: 10,585 37 Photos	last time I had this problem, it was a bad ground (cold solder joint) due to my hurried and hackneyed soldering.... once I fitzed it... all was good in the garden... check your joints... __________________ 'never pet a burning dog'

May 2nd, 2006, 12:51 AM	#5 (permalink)
Sidney Vicious Tele-Afflicted Join Date: May 2003 Location: New Orleans, Louisiana, USA Posts: 1,246 13 Photos	Thanks for replies - It is the same outlet and the plug is a three prong. Looks like I need to check some solders. Wish me luck.

May 2nd, 2006, 12:05 AM	#2 (permalink)
voided3 Tele-Holic Join Date: May 2005 Location: Wisconsin Posts: 733	Hello. Perhaps your reverb pan is picking up humming from the power transformer. I had an SS Ampeg head that did that, and i just reinstalled the reverb pan backwards to make it stop. Just a thought.