Welcome To the Hoffman Amplifiers ForumJanuary 24, 2026, 05:20:43 am | ||
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4 x EL34 in A class
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4134 Views |
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what's a varistor ?
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4051 Views |
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AB763 Turret Board layout
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5026 Views |
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Floating Baffle
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3830 Views |
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Labeling/decals for pot controls
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5675 Views |
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3849 Views |
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gz34 question...
Started by Geezer |
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4931 Views |
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This here tube amp
Started by Geezer |
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3828 Views |
by Geezer |
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Grounding Scheme
Started by Geezer |
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4002 Views |
by Geezer |
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58 Deluxe w/replacement transformers
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3942 Views |
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Fender mods
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4696 Views |
by Geezer |
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Fender 5C8 Twin Output Transformer
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4276 Views |
by Geezer |
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6G3 Deluxe Ptrans
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3722 Views |
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Quiet AB Box
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3735 Views |
by Geezer |
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3494 Views |
by Geezer |
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Celestion sources
Started by Geezer |
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3473 Views |
by Geezer |
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sigle EL84 amp layout
Started by Geezer |
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3824 Views |
by Geezer |
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To use or not to use odd tubes &nbs
Started by Geezer |
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4016 Views |
by Geezer |
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how to drop plate voltage &nb
Started by Geezer |
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6830 Views |
by Geezer |
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Bias problems in a Deluxe Reverb
Started by Geezer |
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4048 Views |
by Geezer |
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another speaker hookup question
Started by Geezer |
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3463 Views |
by Geezer |
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Line Out on a 5E3
Started by Geezer |
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4037 Views |
by Geezer |
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Tube load impedances
Started by Geezer |
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3598 Views |
by Geezer |
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3556 Views |
by Geezer |
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Fat Switch + More Gain
Started by Geezer |
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3771 Views |
by Geezer |
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4160 Views |
by Geezer |
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Matching EL84's
Started by Geezer |
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3633 Views |
by Geezer |
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Silverface Super Reverb Question
Started by Geezer |
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3511 Views |
by Geezer |
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Simple reverb circut
Started by Geezer |
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3954 Views |
by Geezer |
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Fender Deluxe Reverb
Started by Geezer |
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3736 Views |
by Geezer |
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Chassis Recommendations
Started by Geezer |
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3642 Views |
by Geezer |
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Peavey Classic 30 Circuit board design?
Started by Geezer |
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6148 Views |
by Geezer |
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dumb question about knobs
Started by Geezer |
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3627 Views |
by Geezer |
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Low frequency distortion all of a sudden
Started by Geezer |
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3897 Views |
by Geezer |
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3666 Views |
by Geezer |
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I need opinions on tubes!
Started by Geezer |
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3636 Views |
by Geezer |
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Moving the tone stack in a Plexi clone
Started by Geezer |
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3710 Views |
by Geezer |
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Speaker crossovers
Started by Geezer |
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3535 Views |
by Geezer |
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help building Doug's bias checker
Started by Geezer |
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3543 Views |
by Geezer |
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Electronics distributer
Started by Geezer |
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3378 Views |
by Geezer |
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power transformer.
Started by Geezer |
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4377 Views |
by Geezer |
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What damage can occur if...
Started by Geezer |
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3550 Views |
by Geezer |
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PT repair question
Started by Geezer |
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3540 Views |
by Geezer |
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What to Build Next ?
Started by Geezer |
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3521 Views |
by Geezer |
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Mesa boogie 400+ vs Ampeg SVT CL
Started by Geezer |
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4932 Views |
by Geezer |
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3926 Views |
by Geezer |
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hum from aa764 champ
Started by Geezer |
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4082 Views |
by Geezer |
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AB763 70uf Power supply caps
Started by Geezer |
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3697 Views |
by Geezer |
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3683 Views |
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3673 Views |
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