Welcome To the Hoffman Amplifiers ForumOctober 24, 2025, 02:57:08 am | ||
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4 x EL34 in A class
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3670 Views |
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what's a varistor ?
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3655 Views |
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AB763 Turret Board layout
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4565 Views |
by Geezer |
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Floating Baffle
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3346 Views |
by Geezer |
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Labeling/decals for pot controls
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5292 Views |
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3465 Views |
by Geezer |
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gz34 question...
Started by Geezer |
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4496 Views |
by Geezer |
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This here tube amp
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3402 Views |
by Geezer |
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Grounding Scheme
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3570 Views |
by Geezer |
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58 Deluxe w/replacement transformers
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3353 Views |
by Geezer |
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Fender mods
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3761 Views |
by Geezer |
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Fender 5C8 Twin Output Transformer
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3847 Views |
by Geezer |
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6G3 Deluxe Ptrans
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3344 Views |
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Quiet AB Box
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3364 Views |
by Geezer |
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3118 Views |
by Geezer |
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Celestion sources
Started by Geezer |
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3028 Views |
by Geezer |
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sigle EL84 amp layout
Started by Geezer |
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3378 Views |
by Geezer |
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To use or not to use odd tubes &nbs
Started by Geezer |
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3617 Views |
by Geezer |
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how to drop plate voltage &nb
Started by Geezer |
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6346 Views |
by Geezer |
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Bias problems in a Deluxe Reverb
Started by Geezer |
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3563 Views |
by Geezer |
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another speaker hookup question
Started by Geezer |
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3064 Views |
by Geezer |
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Line Out on a 5E3
Started by Geezer |
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3732 Views |
by Geezer |
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Tube load impedances
Started by Geezer |
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3217 Views |
by Geezer |
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3207 Views |
by Geezer |
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Fat Switch + More Gain
Started by Geezer |
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3297 Views |
by Geezer |
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3733 Views |
by Geezer |
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Matching EL84's
Started by Geezer |
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3295 Views |
by Geezer |
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Silverface Super Reverb Question
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3135 Views |
by Geezer |
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Simple reverb circut
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3525 Views |
by Geezer |
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Fender Deluxe Reverb
Started by Geezer |
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3364 Views |
by Geezer |
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Chassis Recommendations
Started by Geezer |
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3268 Views |
by Geezer |
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Peavey Classic 30 Circuit board design?
Started by Geezer |
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5685 Views |
by Geezer |
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dumb question about knobs
Started by Geezer |
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3189 Views |
by Geezer |
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Low frequency distortion all of a sudden
Started by Geezer |
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3454 Views |
by Geezer |
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3246 Views |
by Geezer |
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I need opinions on tubes!
Started by Geezer |
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3239 Views |
by Geezer |
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Moving the tone stack in a Plexi clone
Started by Geezer |
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3332 Views |
by Geezer |
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Speaker crossovers
Started by Geezer |
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3122 Views |
by Geezer |
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help building Doug's bias checker
Started by Geezer |
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3146 Views |
by Geezer |
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Electronics distributer
Started by Geezer |
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2996 Views |
by Geezer |
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power transformer.
Started by Geezer |
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3927 Views |
by Geezer |
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What damage can occur if...
Started by Geezer |
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3171 Views |
by Geezer |
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PT repair question
Started by Geezer |
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3075 Views |
by Geezer |
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What to Build Next ?
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3141 Views |
by Geezer |
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Mesa boogie 400+ vs Ampeg SVT CL
Started by Geezer |
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4397 Views |
by Geezer |
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3515 Views |
by Geezer |
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hum from aa764 champ
Started by Geezer |
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3719 Views |
by Geezer |
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AB763 70uf Power supply caps
Started by Geezer |
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3311 Views |
by Geezer |
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3270 Views |
by Geezer |
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3302 Views |
by Geezer |
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