Welcome To the Hoffman Amplifiers ForumJune 09, 2026, 03:01:40 am | ||
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4 x EL34 in A class
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4989 Views |
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what's a varistor ?
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4796 Views |
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AB763 Turret Board layout
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5651 Views |
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Floating Baffle
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4809 Views |
by Geezer |
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Labeling/decals for pot controls
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6291 Views |
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4624 Views |
by Geezer |
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gz34 question...
Started by Geezer |
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5803 Views |
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This here tube amp
Started by Geezer |
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4997 Views |
by Geezer |
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Grounding Scheme
Started by Geezer |
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5362 Views |
by Geezer |
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58 Deluxe w/replacement transformers
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5302 Views |
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Fender mods
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7391 Views |
by Geezer |
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Fender 5C8 Twin Output Transformer
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4927 Views |
by Geezer |
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6G3 Deluxe Ptrans
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4267 Views |
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Quiet AB Box
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4416 Views |
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4043 Views |
by Geezer |
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Celestion sources
Started by Geezer |
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4337 Views |
by Geezer |
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sigle EL84 amp layout
Started by Geezer |
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4631 Views |
by Geezer |
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To use or not to use odd tubes &nbs
Started by Geezer |
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4648 Views |
by Geezer |
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how to drop plate voltage &nb
Started by Geezer |
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7531 Views |
by Geezer |
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Bias problems in a Deluxe Reverb
Started by Geezer |
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5114 Views |
by Geezer |
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another speaker hookup question
Started by Geezer |
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4023 Views |
by Geezer |
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Line Out on a 5E3
Started by Geezer |
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4523 Views |
by Geezer |
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Tube load impedances
Started by Geezer |
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4160 Views |
by Geezer |
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4119 Views |
by Geezer |
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Fat Switch + More Gain
Started by Geezer |
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5141 Views |
by Geezer |
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4770 Views |
by Geezer |
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Matching EL84's
Started by Geezer |
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4178 Views |
by Geezer |
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Silverface Super Reverb Question
Started by Geezer |
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4082 Views |
by Geezer |
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Simple reverb circut
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4840 Views |
by Geezer |
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Fender Deluxe Reverb
Started by Geezer |
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4358 Views |
by Geezer |
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Chassis Recommendations
Started by Geezer |
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4154 Views |
by Geezer |
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Peavey Classic 30 Circuit board design?
Started by Geezer |
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6787 Views |
by Geezer |
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dumb question about knobs
Started by Geezer |
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4314 Views |
by Geezer |
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Low frequency distortion all of a sudden
Started by Geezer |
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4515 Views |
by Geezer |
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4308 Views |
by Geezer |
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I need opinions on tubes!
Started by Geezer |
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4321 Views |
by Geezer |
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Moving the tone stack in a Plexi clone
Started by Geezer |
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4383 Views |
by Geezer |
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Speaker crossovers
Started by Geezer |
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4125 Views |
by Geezer |
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help building Doug's bias checker
Started by Geezer |
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4271 Views |
by Geezer |
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Electronics distributer
Started by Geezer |
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3926 Views |
by Geezer |
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power transformer.
Started by Geezer |
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5020 Views |
by Geezer |
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What damage can occur if...
Started by Geezer |
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4158 Views |
by Geezer |
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PT repair question
Started by Geezer |
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4386 Views |
by Geezer |
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What to Build Next ?
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4172 Views |
by Geezer |
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Mesa boogie 400+ vs Ampeg SVT CL
Started by Geezer |
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5581 Views |
by Geezer |
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4481 Views |
by Geezer |
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hum from aa764 champ
Started by Geezer |
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4610 Views |
by Geezer |
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AB763 70uf Power supply caps
Started by Geezer |
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4297 Views |
by Geezer |
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4347 Views |
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4308 Views |
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