Welcome To the Hoffman Amplifiers ForumOctober 24, 2025, 03:01:19 am | ||
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Perplexing Hum in Plexi 50
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4682 Views |
by Geezer |
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3779 Views |
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Bassman100 Silverface Blues &
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4261 Views |
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microphonic wires in Twin Reverb &nb
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4430 Views |
by Geezer |
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Marshall PT 100W to 50W, possible?
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4963 Views |
by Geezer |
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68 Princeton cap job (AA964)
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4295 Views |
by Geezer |
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Chassis dimensions
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5901 Views |
by Geezer |
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Hoffman/Marshall audio clips- at last!
Started by Geezer |
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4026 Views |
by Geezer |
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Heater wire voltage too low
Started by Geezer |
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4801 Views |
by Geezer |
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concentric pot?????
Started by Geezer |
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4928 Views |
by Geezer |
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tube hifi stereo
Started by Geezer |
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3936 Views |
by Geezer |
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PT Rectifier and Speaker Qs
Started by Geezer |
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3670 Views |
by Geezer |
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phase inverters
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3894 Views |
by Geezer |
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Tube Bias Checker?
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3913 Views |
by Geezer |
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Super 60 PT
Started by Geezer |
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3938 Views |
by Geezer |
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Puzzled by cathode bias questions
Started by Geezer |
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4679 Views |
by Geezer |
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Signal caps. on 69 twin
Started by Geezer |
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3874 Views |
by Geezer |
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Vibroclone hiss (channel 2)
Started by Geezer |
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4173 Views |
by Geezer |
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3662 Views |
by Geezer |
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Howdy boys
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3683 Views |
by Geezer |
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AC30 home built amp
Started by Geezer |
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4068 Views |
by Geezer |
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Tweed Bassman Speakers
Started by Geezer |
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4055 Views |
by Geezer |
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AB763 help needed..
Started by Geezer |
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4437 Views |
by Geezer |
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Marshall super bass
Started by Geezer |
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3694 Views |
by Geezer |
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output tranny wiring
Started by Geezer |
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3651 Views |
by Geezer |
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5E3 heater wires @ low voltage
Started by Geezer |
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4089 Views |
by Geezer |
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Buying a DMM
Started by Geezer |
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3668 Views |
by Geezer |
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Matchless Spitfire inputs
Started by Geezer |
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4295 Views |
by Geezer |
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Very old Speakers from Music Manb
Started by Geezer |
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3649 Views |
by Geezer |
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bassman 100
Started by Geezer |
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3560 Views |
by Geezer |
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4052 Views |
by Geezer |
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Hoffman AB763 in DR Reissue
Started by Geezer |
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3636 Views |
by Geezer |
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NFB Questions
Started by Geezer |
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3577 Views |
by Geezer |
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Newbie Question - Combining Outputs
Started by Geezer |
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3517 Views |
by Geezer |
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Fender Ground Switch Question
Started by Geezer |
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4362 Views |
by Geezer |
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tube orientation of a bluesbreaker
Started by Geezer |
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3623 Views |
by Geezer |
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bassman working like dream now
Started by Geezer |
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3563 Views |
by Geezer |
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"touchy" Reverb on AB763 SR
Started by Geezer |
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3515 Views |
by Geezer |
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DC Heaters
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3614 Views |
by Geezer |
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volume drop
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3525 Views |
by Geezer |
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3486 Views |
by Geezer |
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Cap job question
Started by Geezer |
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3354 Views |
by Geezer |
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new amp build
Started by Geezer |
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3574 Views |
by Geezer |
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floating heaters
Started by Geezer |
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3297 Views |
by Geezer |
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5E3 HUMmmmmm
Started by Geezer |
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3840 Views |
by Geezer |
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0 Replies
3586 Views |
by Geezer |
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dropping heater voltage
Started by Geezer |
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4418 Views |
by Geezer |
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5YE rectifier
Started by Geezer |
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3895 Views |
by Geezer |
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6l6 vs el34
Started by Geezer |
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3783 Views |
by Geezer |
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I have ? on pot install for revibe unit
Started by Geezer |
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3779 Views |
by Geezer |
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