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thanks man. i really appreciate the hookup. i'm getting excited already, and i haven't even looked yet..... :D

thanks for the info. that's what i'm starting to see from reading up on the subject a little more... i do have one more question for you guys, though. do you usually use Mesa's tubes, or do you get a tube supplier to just match some up for Mesa's preset bias? i've been itching to try JJs and...

i found and fixed the problem, but i'll let you guys know what happened for future reference. the power amp tubes weren't heating up, but preamp tubes were, including the phase inverter. i talked to Mesa, they said that it was a failed power rail (or wording similar to that) and that i should...

hey guys. lately, i've been having problems with the power tubes in my mark iv. it seems that the heaters are not getting hot when i turn it on (standby or not). the preamp tubes heat up fine, but no matter what i've tried the power tubes just won't light up. every now and again, they'll...

hey guys. i'm a noob here, but i've got a formula pre that has been serving me quite well since i got it. the other day, though, it just stopped putting out sound, and i'm not sure why. i checked the tubes and jacks, but everything looks good. is there a schematic floating around that i can...