Welcome To the Hoffman Amplifiers ForumDecember 09, 2025, 07:07:35 am | ||
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Perplexing Hum in Plexi 50
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4971 Views |
by Geezer |
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3930 Views |
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Bassman100 Silverface Blues &
Started by Geezer |
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4482 Views |
by Geezer |
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microphonic wires in Twin Reverb &nb
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4664 Views |
by Geezer |
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Marshall PT 100W to 50W, possible?
Started by Geezer |
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5180 Views |
by Geezer |
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68 Princeton cap job (AA964)
Started by Geezer |
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4533 Views |
by Geezer |
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Chassis dimensions
Started by Geezer |
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6114 Views |
by Geezer |
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Hoffman/Marshall audio clips- at last!
Started by Geezer |
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4226 Views |
by Geezer |
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Heater wire voltage too low
Started by Geezer |
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5018 Views |
by Geezer |
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concentric pot?????
Started by Geezer |
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5167 Views |
by Geezer |
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tube hifi stereo
Started by Geezer |
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4175 Views |
by Geezer |
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PT Rectifier and Speaker Qs
Started by Geezer |
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3883 Views |
by Geezer |
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phase inverters
Started by Geezer |
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4138 Views |
by Geezer |
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Tube Bias Checker?
Started by Geezer |
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4095 Views |
by Geezer |
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Super 60 PT
Started by Geezer |
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4209 Views |
by Geezer |
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Puzzled by cathode bias questions
Started by Geezer |
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4861 Views |
by Geezer |
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Signal caps. on 69 twin
Started by Geezer |
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4074 Views |
by Geezer |
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Vibroclone hiss (channel 2)
Started by Geezer |
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4415 Views |
by Geezer |
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3898 Views |
by Geezer |
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Howdy boys
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3951 Views |
by Geezer |
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AC30 home built amp
Started by Geezer |
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4271 Views |
by Geezer |
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Tweed Bassman Speakers
Started by Geezer |
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4245 Views |
by Geezer |
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AB763 help needed..
Started by Geezer |
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4679 Views |
by Geezer |
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Marshall super bass
Started by Geezer |
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3899 Views |
by Geezer |
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output tranny wiring
Started by Geezer |
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3893 Views |
by Geezer |
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5E3 heater wires @ low voltage
Started by Geezer |
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4340 Views |
by Geezer |
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Buying a DMM
Started by Geezer |
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3856 Views |
by Geezer |
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Matchless Spitfire inputs
Started by Geezer |
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4654 Views |
by Geezer |
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Very old Speakers from Music Manb
Started by Geezer |
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3893 Views |
by Geezer |
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bassman 100
Started by Geezer |
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3780 Views |
by Geezer |
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4333 Views |
by Geezer |
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Hoffman AB763 in DR Reissue
Started by Geezer |
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3865 Views |
by Geezer |
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NFB Questions
Started by Geezer |
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3810 Views |
by Geezer |
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Newbie Question - Combining Outputs
Started by Geezer |
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3741 Views |
by Geezer |
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Fender Ground Switch Question
Started by Geezer |
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4599 Views |
by Geezer |
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tube orientation of a bluesbreaker
Started by Geezer |
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3839 Views |
by Geezer |
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bassman working like dream now
Started by Geezer |
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3718 Views |
by Geezer |
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"touchy" Reverb on AB763 SR
Started by Geezer |
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3723 Views |
by Geezer |
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DC Heaters
Started by Geezer |
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3841 Views |
by Geezer |
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volume drop
Started by Geezer |
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3775 Views |
by Geezer |
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3718 Views |
by Geezer |
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Cap job question
Started by Geezer |
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3570 Views |
by Geezer |
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new amp build
Started by Geezer |
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3832 Views |
by Geezer |
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floating heaters
Started by Geezer |
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3498 Views |
by Geezer |
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5E3 HUMmmmmm
Started by Geezer |
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4106 Views |
by Geezer |
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0 Replies
3860 Views |
by Geezer |
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dropping heater voltage
Started by Geezer |
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4622 Views |
by Geezer |
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5YE rectifier
Started by Geezer |
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4131 Views |
by Geezer |
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6l6 vs el34
Started by Geezer |
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4048 Views |
by Geezer |
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I have ? on pot install for revibe unit
Started by Geezer |
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4050 Views |
by Geezer |
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