#1
Amp: B-52 at212
Time: Bout 10 minutes ago
Issue:

Clean channel = no sound
Gain channel = much less gain.

I'd imagine that the clean channel only uses the first preamp tube (v1) and the gain channels use the other 3 (+ the phase inverter)

I have a warranty, but could I just buy a single jj 12ax7 and pop it in v1 and see what happens?

Also on the b-52 series which tube is designated as v1?

I have a warranty and I like the amp, so I'm not all upset lol
Pain is an illusion.
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#2
take it in to the store if you have warranty on tubes and say i think some tubes went can you take a look and replace the ones that are gone, if not ask them to tell you what ones are gone and then buy necessary ones.
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#3
since its under warranty I would just return it for a new one, no need to spend extra time/money worrying about tube issues.
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#4
sounds like a preamp tube to me.

id just go ahead and change it. if you're gonna use tube amps, stuff like this comes up so it's not a really a big deal IMO.
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#5
I'm really not pissed, just kinda bumed since I was working on some cool songs and enjoying the experience and then all of a sudden... nope.

I'm going to bring it to GC probably friday when I have a good solid off day.
Pain is an illusion.
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#6
Quote by kayman121
sounds like a preamp tube to me.

id just go ahead and change it. if you're gonna use tube amps, stuff like this comes up so it's not a really a big deal IMO.
+1
With how inexpensive preamp tubes can be, you should always have a few spares on hand.
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#7
good chance to install jj ecc83s preamp tubes....all others fail in comparison.
Last edited by georgakis187 at Feb 5, 2009,
#8
Quote by georgakis187
good change to install jj ecc83s preamp tubes....all others fail in comparison.

What?
#10
No, I was under the impression that were saying that all other 12ax7s fail in comparison to JJs and was "what?"-ing at that.
#11
Since no one mentioned it, V1 should be the one closest to the input of the amp or furthest from the power tubes.
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