Re-Biasing the amp

thomaslattamiller · 08-17-2008, 09:07 AM

Hey guys, one of my tubes is busted and im needing it repaired but before i shell out for it id like to try it my self just wondering if someone can tell me a list of the things i need before i start and can give me some help with the process

Adwex · 08-17-2008, 10:16 AM

You'll need a multi-meter, to measure voltage. You should also get a "bias probe" to make things easier.

Watch these videos:
euro-q

stryker59 · 08-17-2008, 10:51 AM

what amp are you working on?

RiverRatt · 08-17-2008, 04:28 PM

Preamp or power tube?

spikei · 08-17-2008, 04:36 PM

you only need to bias the power tubes, if its a dsl they will be the el 34 valves, if its the pre amp tubes ecc 83 they dont need biasing

08-17-2008, 09:07 AM	#1 (permalink)
thomaslattamiller Junior Member Join Date: Jun 2008 Posts: 12	Re-Biasing the amp Hey guys, one of my tubes is busted and im needing it repaired but before i shell out for it id like to try it my self just wondering if someone can tell me a list of the things i need before i start and can give me some help with the process __________________ -------------------------------------------------- Gibson Sg Natural Burst Boss Pw10-V Wah Marshall Jcm2000 dsl100

08-17-2008, 10:16 AM	#2 (permalink)
Adwex Senior Member Join Date: Sep 2006 Location: Long Island, NY Posts: 717	Re: Re-Biasing the amp You'll need a multi-meter, to measure voltage. You should also get a "bias probe" to make things easier. Watch these videos: euro-q __________________ www.myspace.com/rockerlivemusic

08-17-2008, 10:51 AM	#3 (permalink)
stryker59 Senior Member Join Date: Jan 2008 Location: staunton, va Posts: 618	Re: Re-Biasing the amp what amp are you working on? __________________ *you've been weighed, measured, and found wanting!*

08-17-2008, 04:28 PM	#4 (permalink)
RiverRatt Member Join Date: May 2008 Posts: 60	Re: Re-Biasing the amp Preamp or power tube?

08-17-2008, 04:36 PM	#5 (permalink)
spikei Member Join Date: May 2008 Posts: 81	Re: Re-Biasing the amp you only need to bias the power tubes, if its a dsl they will be the el 34 valves, if its the pre amp tubes ecc 83 they dont need biasing

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