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Gear Talk: Amp Problems!!!

Posted on 10/29/12 at 1:07 pm
Posted by Srbtiger06
Member since Apr 2006
29424 posts
Posted on 10/29/12 at 1:07 pm
I've decided to take a little break from the drums for a while and get back to guitar for a bit.

Anyway, I'm having some problems with my amp. Here was the setup I was running at the time.

Strat---Tuner---Cry Baby---Boss DS2---Big Muff---Amp

and...

Effects Loop:
amp---EH reverb---Boss CH1---Phase 90---amp

I was playing for about 30 minutes and all of a sudden the amp went silent. I wasn't playing loud at ALL (clean channel at about 9 oclock with only the DS1). No pop or crack or anything, it just gradually got quiet and eventually inaudible. It took about 15-20 seconds. I turned the amp off, turned my loop switch off and unplugged that, then ran guitar straight to the amp. No dice. I took it apart last night and I don't see anything burned or busted. Anyone have any tips on where to look?
Posted by TheDoc
doc is no more
Member since Dec 2005
99297 posts
Posted on 10/29/12 at 2:39 pm to
Tube?
Posted by Srbtiger06
Member since Apr 2006
29424 posts
Posted on 10/29/12 at 3:23 pm to
Yup. I was under the impression when they go out it's more instant and you hear a crackling.
Posted by ezride25
Constitutional Republic
Member since Nov 2008
26828 posts
Posted on 10/29/12 at 3:40 pm to
It's your tubes, they need to be replaced. What amp?
Posted by TheDoc
doc is no more
Member since Dec 2005
99297 posts
Posted on 10/29/12 at 3:49 pm to
Has nothing to do with your pedals

What's your amp situation sir
Posted by Srbtiger06
Member since Apr 2006
29424 posts
Posted on 10/29/12 at 3:59 pm to
quote:

Has nothing to do with your pedals


I figured not but posted them just to be safe.

Haze 40. It's my practice amp.
Posted by ezride25
Constitutional Republic
Member since Nov 2008
26828 posts
Posted on 10/29/12 at 4:06 pm to
Take a look at the preamp and output tubes. When they're blown they look similar to a blown light bulb. You should be able to find plenty of info online for replacements. The last time I did mine I ordered them from an ebay store, but I don't recall the name. They sent directions and everything.
Posted by Srbtiger06
Member since Apr 2006
29424 posts
Posted on 10/29/12 at 4:19 pm to
I pulled out the power amp tubes and didn't see anything out of the ordinary. I'll check the other ones tonight.
Posted by Srbtiger06
Member since Apr 2006
29424 posts
Posted on 10/29/12 at 6:12 pm to
Ez, did you rebias your amp afterward?

I had a guy that did all this kind of crap for me at the local shop but he moved to Tuscon. The new guy screwed up my volume pot on my strat. Don't trust him.
This post was edited on 10/29/12 at 6:13 pm
Posted by Srbtiger06
Member since Apr 2006
29424 posts
Posted on 10/29/12 at 11:08 pm to
Got home and checked the amp. My fuse was blown. From what I've read, that means that if my tubes aren't burned out, they're about to be.

That being said, anyone got any tube recommendations? I don't shred much (obviously...since I only have 3 fingers on my fret hand ) but I like a slightly crunchy sound. On my old amp I could control most of my tone by my attack. Play normal for cleans and be a bit more aggressive for a bit of a bite...that's the best way I know to describe it. Kinda like Frusciante's tone here. I like bordering on dirty when playing normal and being able to go a little grungy without pedals. My Haze is GREAT fit for what I want but I have to swap channels for the dirty sound.

ETA: Maybe I'm just spoiled by my jubilee, but that's the kind of sound I like if that helps. The Haze can go as loud as I want but it just won't start to break-up like I want. I could never drive the stock haze tubes to get what I liked.
This post was edited on 10/29/12 at 11:11 pm
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