Welcome To the Hoffman Amplifiers ForumJune 09, 2026, 08:23:17 am | ||
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4 x EL34 in A class
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4992 Views |
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what's a varistor ?
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4799 Views |
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AB763 Turret Board layout
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5656 Views |
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Floating Baffle
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4815 Views |
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Labeling/decals for pot controls
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6296 Views |
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4628 Views |
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gz34 question...
Started by Geezer |
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5806 Views |
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This here tube amp
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5005 Views |
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Grounding Scheme
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5366 Views |
by Geezer |
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58 Deluxe w/replacement transformers
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5307 Views |
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Fender mods
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7406 Views |
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Fender 5C8 Twin Output Transformer
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4930 Views |
by Geezer |
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6G3 Deluxe Ptrans
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4270 Views |
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Quiet AB Box
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4418 Views |
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4045 Views |
by Geezer |
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Celestion sources
Started by Geezer |
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4340 Views |
by Geezer |
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sigle EL84 amp layout
Started by Geezer |
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4632 Views |
by Geezer |
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To use or not to use odd tubes &nbs
Started by Geezer |
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4651 Views |
by Geezer |
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how to drop plate voltage &nb
Started by Geezer |
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7534 Views |
by Geezer |
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Bias problems in a Deluxe Reverb
Started by Geezer |
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5117 Views |
by Geezer |
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another speaker hookup question
Started by Geezer |
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4028 Views |
by Geezer |
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Line Out on a 5E3
Started by Geezer |
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4528 Views |
by Geezer |
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Tube load impedances
Started by Geezer |
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4163 Views |
by Geezer |
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4122 Views |
by Geezer |
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Fat Switch + More Gain
Started by Geezer |
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5152 Views |
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4773 Views |
by Geezer |
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Matching EL84's
Started by Geezer |
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4181 Views |
by Geezer |
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Silverface Super Reverb Question
Started by Geezer |
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4086 Views |
by Geezer |
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Simple reverb circut
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4844 Views |
by Geezer |
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Fender Deluxe Reverb
Started by Geezer |
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4363 Views |
by Geezer |
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Chassis Recommendations
Started by Geezer |
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4159 Views |
by Geezer |
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Peavey Classic 30 Circuit board design?
Started by Geezer |
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6793 Views |
by Geezer |
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dumb question about knobs
Started by Geezer |
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4318 Views |
by Geezer |
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Low frequency distortion all of a sudden
Started by Geezer |
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4517 Views |
by Geezer |
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4309 Views |
by Geezer |
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I need opinions on tubes!
Started by Geezer |
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4326 Views |
by Geezer |
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Moving the tone stack in a Plexi clone
Started by Geezer |
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4386 Views |
by Geezer |
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Speaker crossovers
Started by Geezer |
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4130 Views |
by Geezer |
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help building Doug's bias checker
Started by Geezer |
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4274 Views |
by Geezer |
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Electronics distributer
Started by Geezer |
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3929 Views |
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power transformer.
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5022 Views |
by Geezer |
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What damage can occur if...
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4161 Views |
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PT repair question
Started by Geezer |
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4388 Views |
by Geezer |
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What to Build Next ?
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4175 Views |
by Geezer |
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Mesa boogie 400+ vs Ampeg SVT CL
Started by Geezer |
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5587 Views |
by Geezer |
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4486 Views |
by Geezer |
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hum from aa764 champ
Started by Geezer |
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4615 Views |
by Geezer |
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AB763 70uf Power supply caps
Started by Geezer |
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4300 Views |
by Geezer |
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4347 Views |
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4308 Views |
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