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Fender Hot Rod Deluxe making wierd sound?
Old 15th September 2011
  #1
Gear Head
 

Fender Hot Rod Deluxe making wierd sound?

My fender hot rod deluxe started making this weird sound yesterday. I got my power tubes changed as well as a preamp tube that needed changing only 2 months ago. I was wondering if anyone could tell me what the problem might be from this attached recording.
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amp test.wav (7.27 MB, 1857 views)

Old 15th September 2011
  #2
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jjboogie's Avatar
Quote:
Originally Posted by bigteets922 View Post
My fender hot rod deluxe started making this weird sound yesterday. I got my power tubes changed as well as a preamp tube that needed changing only 2 months ago. I was wondering if anyone could tell me what the problem might be from this attached recording.

I'd try taking your tubes out and then putting them back in.....reseating them essentially.

If that doesn't help then you may have a bad capacitor and will have to haul it in to a tech. Bummer...I hate stuff like this!
Old 15th September 2011
  #3
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BOWIE's Avatar
Quote:
Originally Posted by bigteets922 View Post
My fender hot rod deluxe started making this weird sound yesterday. I got my power tubes changed as well as a preamp tube that needed changing only 2 months ago. I was wondering if anyone could tell me what the problem might be from this attached recording.
Though new tubes can certainly make noise, that distortion in the clip is not a noise you'd typically hear in a new tube. I listen to tubes for several hours a day and typically only faulty/failing tubes behave like that unless there's a problem elsewhere in the circuit. Though a new tube can randomly become faulty without warning, there's a good chance that you need something like a cap replaced. Sometimes, putting in new tubes will be a strain on components that were just getting by with the older, weaker tubes.

Like JJ said, re-seat them. Also, switch their positioning, to see if it changes anything. I'd avoid leaving the amp on (aside from brief testing) because you don't want to create a larger, more expensive problem.

And, though it seems obvious, be sure to try a different guitar and cable.
Old 15th September 2011
  #4
Gear Head
 

Sounds like a bad connection, be it a loose jack, a bad solder joint, a dirty pot contact, loose speaker connection.
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