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Posted by David (220.127.116.11) on October 14, 2002 at 20:39:09:
Hi! First post here. Need some help with my vintage flip-top. I think I blew a tube the other night right before a gig. When I turned it on, with no instrument plugged into it, it made a humming and crackling noise. When the top of the tube cage was tapped, one of the tubes crackled and sparked. The tubes were new when I bought the amp about 3.5 years ago. Sound like I need new tubes? That's my guess but I want some confirmation before I go dropping dough on a fresh set of tubes instead of paying a repairman.
That said, what kind of tubes should I get? I've been doing some reading but I still know next nothing about the way different tubes sound and I don't have the cash to buy a bunch and do a taste test until I find what I like. Far as I can tell I need 3 6SL7 preamp tubes, 2 6L6 power tubes and 1 5AR4 rectifier tube. I know there's lots of variants and brands of these particular types of tubes. Anybody out there with a fliptop that likes their tubes? I use my fliptop mainly for my double bass and I'm looking for as loud a sound as I can get without sacrificing clean, deep, rich tone.
Somebody help! I need to fix my amp but I don't want to screw up because I need to fix my amp fast.
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