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5150 LOUD

 
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dverrill



Joined: 26 Mar 2008
Posts: 1
Location: maine

PostPosted: Wed Mar 26, 2008 6:56 am    Post subject: 5150 LOUD Reply with quote

my 5150 head seems to be getting louder white noise than normal. i am running a 5150 head with a hush super c, bbe 482i, dbx eq, korg dtr-1000, and a alesis power conditioner threw the effects loop. in front im running a esp w/ emgs into a tube screamer no other effects directly into the input. brief history- bought the head new, i have changed the tubes every year since. my question- is there any comon things in the 5150 that wears and needs to be replaced, ie- transformers, fuses, diodes? any advice would be greatly appreciated!
d/
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wildrat666



Joined: 24 Nov 2008
Posts: 3
Location: sweden

PostPosted: Thu Nov 27, 2008 7:51 am    Post subject: Reply with quote

maybe the efx loop is greasy. spray som wd-40 inside and see if it works
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drolaw



Joined: 29 Sep 2008
Posts: 56
Location: San Antonio, TX

PostPosted: Sun Dec 21, 2008 10:19 pm    Post subject: Reply with quote

It could be a preamp tube. Even new ones can cause that. I changed preamp tubes and got a lot of white noise. Turned out I had a microphonic preamp in the V1 position. CHanges those out and it went it away.

Try swapping your preamp tubes or go with a lower rated tube - although I don't recommend that unless you're willing to tame your amp.
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