Gerald Weber talks about Adjusting Bias
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Uploaded by kendrickamplifiers on Mar 4, 2010
From the DVD "Total Guitar Amplifier Servicing & Overhaul". Available at kendrick-amplifiers.com
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All Comments (13)
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@rmroza You have no idea who this guy is. Perhaps he needs to stress safety more but he really does know what he's doing, trust me on that.
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before you try this at home kids, make sure you use an insulated precision screwdriver on equipment using lethal voltages ;) ...you will thank me one day i'm sure :D
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@mushroomscouser that wasn't hash. that was a capacitor.
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I see a sprag bumblebee
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I have a very early silver face twin. I took the amp out of the cabinet once to spray some switch cleaner in the pots. Much to my surprise I found an ancient, small block of hash inside. I smoked it and it wasn't bad at all, just a bit rough on the throat. Thing is, the twin hasn't sounded quite as good since. Anyone have any idea what the problem is?
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Beautiful 1964 Deluxe reverb amp there, Gerald!
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i've always biase by ear...and I haven't ever burned up an output tube, ever.
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in push-pull amps with 2 tubes, each tube amplifies one halfwave of the signal. removing one tube of a will leave you with a shitty sound at least as just one half of the signal will be amplified. also the output-transformer will be peranently magnetized which will cause your amp to break down within a month at most. i dont recommend that.
if youre interested in reducing the power of your amp, you should try to run your tubes in pseudo-triode mode or just get a power soak.
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The most laid back Amp dude ever!
PhilipPorter 1 year ago 5
why is he using such huge alligator clips? why does he so9nud drunk? why is he using a metal screwdriver to make the adjustments to the bias trimmer/pot?? Man this is trainwreck about to happen!! :O
rmroza 2 months ago 2