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Post subject: humming problem
Posted: Sat Apr 02, 2011 3:58 pm
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Hi I am just a beginner and picked up a used fender p bass. It had one heck of a hum to it so I opened 'er up and found two broken solder connections. That took all of 5 mins. to fix. I plugged it in with all the guts still exposed and no more hum. Great! While buttoning everything up I noticed on the back of the pick guard around where the tone, volume knobs and output jack are mounted is a foil type material. It is slightly damaged around the output jack. After it was back together a small hum had returned. What is this foil for and could the damaged area be the source of my hum?


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Post subject: Re: humming problem
Posted: Sat Apr 02, 2011 5:05 pm
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bulldoger wrote:
Hi I am just a beginner and picked up a used fender p bass. It had one heck of a hum to it so I opened 'er up and found two broken solder connections. That took all of 5 mins. to fix. I plugged it in with all the guts still exposed and no more hum. Great! While buttoning everything up I noticed on the back of the pick guard around where the tone, volume knobs and output jack are mounted is a foil type material. It is slightly damaged around the output jack. After it was back together a small hum had returned. What is this foil for and could the damaged area be the source of my hum?


Welcome.

Even with a humbucking pickup such as yours, a small hum is in fact, normal and expected. The foil acts as a shield for your pots and jack to keep the hum down. And FWIW, during the 70s, this foil was also used to ground these components instead of running a negative wire among them. As you can see, the tooth washers of the components would chew right threw the foil and break the negative connections, causing all sorts of buzz and hum.

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Post subject: Re: humming problem
Posted: Sat Apr 02, 2011 5:22 pm
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I figured it had something to do with grounding but if that was 30-40 years ago, why is it still put there?


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Post subject: Re: humming problem
Posted: Sat Apr 02, 2011 5:37 pm
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bulldoger wrote:
I figured it had something to do with grounding but if that was 30-40 years ago, why is it still put there?


Because it still serves to partially block electromagnetic interference from external sources such as florescent light transformers, stray radio signals, etc, etc.

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Post subject: Re: humming problem
Posted: Sat Apr 02, 2011 7:51 pm
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My advice: Sell the bass and buy one that doesn't hum. Problem solved.


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Post subject: Re: humming problem
Posted: Sun Apr 03, 2011 8:39 am
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zod wrote:
My advice: Sell the bass and buy one that doesn't hum. Problem solved.


Now you're sounding like mr glbass with a new gear every few days ;)

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Rez(# 30916)
'89 Power Jazz Bass Special-BadAssIII, EMG P/J
Project PBass-EMG PX, Schaller BM Light Tuner
'05 Aerodyne JBass
'06 Spector Legend Custom Neck Through
VT Bass
Hartke TA5000 w/XL Cabs(210, 410, 115)


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Post subject: Re: humming problem
Posted: Mon Apr 04, 2011 6:25 am
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SimSpeaks wrote:
purchasing new you problem solve .
south beach java

Alright Yoda. Not spam the forum you must.


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Post subject: Re: humming problem
Posted: Mon Apr 04, 2011 7:11 am
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The best way to solve the humming problem is to learn the damn words!


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Post subject: Re: humming problem
Posted: Mon Apr 04, 2011 8:20 am
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SimSpeaks wrote:
purchasing new you problem solve .
south beach java


thanks a lot there db! Get lost you stupid spammer!

oxfan wrote:
The best way to solve the humming problem is to learn the damn words!


Lol Ox!

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Rez(# 30916)
'89 Power Jazz Bass Special-BadAssIII, EMG P/J
Project PBass-EMG PX, Schaller BM Light Tuner
'05 Aerodyne JBass
'06 Spector Legend Custom Neck Through
VT Bass
Hartke TA5000 w/XL Cabs(210, 410, 115)


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Post subject: Re: humming problem
Posted: Mon Apr 04, 2011 8:31 am
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Congratulations, Rez! You have been named official Spam Enforcement
officer of the Forums. They will send you your special hat and badge soon.


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Post subject: Re: humming problem
Posted: Mon Apr 04, 2011 8:33 am
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oxfan wrote:
Congratulations, Rez! You have been named official Spam Enforcement
officer of the Forums. They will send you your special hat and badge soon.


oooh, hat and a badge, SWEET! As long as it's not a strip o'gram hat and badge, I'm set. You don't wanna see this in the buff I tell ya :lol:

_________________
Rez(# 30916)
'89 Power Jazz Bass Special-BadAssIII, EMG P/J
Project PBass-EMG PX, Schaller BM Light Tuner
'05 Aerodyne JBass
'06 Spector Legend Custom Neck Through
VT Bass
Hartke TA5000 w/XL Cabs(210, 410, 115)


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Post subject: Re: humming problem
Posted: Mon Apr 04, 2011 9:41 am
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General Zod! You've got to deal with him, he's out of control!


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Post subject: Re: humming problem
Posted: Mon Apr 04, 2011 12:33 pm
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little tattle taler! :p

:lol: :lol: :lol:

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Rez(# 30916)
'89 Power Jazz Bass Special-BadAssIII, EMG P/J
Project PBass-EMG PX, Schaller BM Light Tuner
'05 Aerodyne JBass
'06 Spector Legend Custom Neck Through
VT Bass
Hartke TA5000 w/XL Cabs(210, 410, 115)


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Profile
Post subject: Re: humming problem
Posted: Mon Apr 04, 2011 10:20 pm
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It's for you own good Rez. The Generral is like your Uncle ernie.

Going to see my little darlings tomorrow, taking a Vinnie Pie.


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Post subject: Re: humming problem
Posted: Tue Apr 05, 2011 4:53 am
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On today's episode of, "As The Tuner Turns", gbass is still down in the well, Sabre is hearing voices, Pbassbob is hungry for a salad and Rez is volunteering at a animal shelter. Tune in to hear Zod :mrgreen: ask the question,"Does anyone really wonder why I'm keeping such a low profile?"


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