Welcome To the Hoffman Amplifiers ForumDecember 09, 2025, 07:09:32 am | ||
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4 x EL34 in A class
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3919 Views |
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what's a varistor ?
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3873 Views |
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AB763 Turret Board layout
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4812 Views |
by Geezer |
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Floating Baffle
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3589 Views |
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Labeling/decals for pot controls
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5482 Views |
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3658 Views |
by Geezer |
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gz34 question...
Started by Geezer |
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4723 Views |
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This here tube amp
Started by Geezer |
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3630 Views |
by Geezer |
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Grounding Scheme
Started by Geezer |
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3794 Views |
by Geezer |
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58 Deluxe w/replacement transformers
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3673 Views |
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Fender mods
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4206 Views |
by Geezer |
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Fender 5C8 Twin Output Transformer
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4080 Views |
by Geezer |
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6G3 Deluxe Ptrans
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3534 Views |
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Quiet AB Box
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3562 Views |
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3306 Views |
by Geezer |
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Celestion sources
Started by Geezer |
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3214 Views |
by Geezer |
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sigle EL84 amp layout
Started by Geezer |
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3588 Views |
by Geezer |
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To use or not to use odd tubes &nbs
Started by Geezer |
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3834 Views |
by Geezer |
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how to drop plate voltage &nb
Started by Geezer |
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6596 Views |
by Geezer |
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Bias problems in a Deluxe Reverb
Started by Geezer |
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3824 Views |
by Geezer |
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another speaker hookup question
Started by Geezer |
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3280 Views |
by Geezer |
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Line Out on a 5E3
Started by Geezer |
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3887 Views |
by Geezer |
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Tube load impedances
Started by Geezer |
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3426 Views |
by Geezer |
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3380 Views |
by Geezer |
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Fat Switch + More Gain
Started by Geezer |
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3553 Views |
by Geezer |
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3955 Views |
by Geezer |
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Matching EL84's
Started by Geezer |
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3465 Views |
by Geezer |
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Silverface Super Reverb Question
Started by Geezer |
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3339 Views |
by Geezer |
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Simple reverb circut
Started by Geezer |
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3757 Views |
by Geezer |
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Fender Deluxe Reverb
Started by Geezer |
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3555 Views |
by Geezer |
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Chassis Recommendations
Started by Geezer |
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3465 Views |
by Geezer |
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Peavey Classic 30 Circuit board design?
Started by Geezer |
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5913 Views |
by Geezer |
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dumb question about knobs
Started by Geezer |
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3361 Views |
by Geezer |
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Low frequency distortion all of a sudden
Started by Geezer |
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3683 Views |
by Geezer |
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3474 Views |
by Geezer |
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I need opinions on tubes!
Started by Geezer |
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3457 Views |
by Geezer |
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Moving the tone stack in a Plexi clone
Started by Geezer |
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3525 Views |
by Geezer |
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Speaker crossovers
Started by Geezer |
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3324 Views |
by Geezer |
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help building Doug's bias checker
Started by Geezer |
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3340 Views |
by Geezer |
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Electronics distributer
Started by Geezer |
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3191 Views |
by Geezer |
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power transformer.
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4174 Views |
by Geezer |
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What damage can occur if...
Started by Geezer |
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3370 Views |
by Geezer |
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PT repair question
Started by Geezer |
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3289 Views |
by Geezer |
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What to Build Next ?
Started by Geezer |
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3344 Views |
by Geezer |
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Mesa boogie 400+ vs Ampeg SVT CL
Started by Geezer |
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4671 Views |
by Geezer |
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3736 Views |
by Geezer |
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hum from aa764 champ
Started by Geezer |
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3910 Views |
by Geezer |
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AB763 70uf Power supply caps
Started by Geezer |
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3517 Views |
by Geezer |
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3485 Views |
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3487 Views |
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