Welcome To the Hoffman Amplifiers ForumJune 09, 2026, 08:21:24 am | ||
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Perplexing Hum in Plexi 50
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8009 Views |
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4641 Views |
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Bassman100 Silverface Blues &
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5452 Views |
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microphonic wires in Twin Reverb &nb
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5503 Views |
by Geezer |
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Marshall PT 100W to 50W, possible?
Started by Geezer |
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5991 Views |
by Geezer |
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68 Princeton cap job (AA964)
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5580 Views |
by Geezer |
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Chassis dimensions
Started by Geezer |
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7026 Views |
by Geezer |
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Hoffman/Marshall audio clips- at last!
Started by Geezer |
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5104 Views |
by Geezer |
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Heater wire voltage too low
Started by Geezer |
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5786 Views |
by Geezer |
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concentric pot?????
Started by Geezer |
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6321 Views |
by Geezer |
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tube hifi stereo
Started by Geezer |
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5234 Views |
by Geezer |
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PT Rectifier and Speaker Qs
Started by Geezer |
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4683 Views |
by Geezer |
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phase inverters
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5303 Views |
by Geezer |
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Tube Bias Checker?
Started by Geezer |
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4935 Views |
by Geezer |
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Super 60 PT
Started by Geezer |
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5446 Views |
by Geezer |
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Puzzled by cathode bias questions
Started by Geezer |
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5599 Views |
by Geezer |
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Signal caps. on 69 twin
Started by Geezer |
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4819 Views |
by Geezer |
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Vibroclone hiss (channel 2)
Started by Geezer |
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5825 Views |
by Geezer |
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4868 Views |
by Geezer |
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Howdy boys
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5953 Views |
by Geezer |
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AC30 home built amp
Started by Geezer |
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5075 Views |
by Geezer |
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Tweed Bassman Speakers
Started by Geezer |
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5115 Views |
by Geezer |
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AB763 help needed..
Started by Geezer |
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5889 Views |
by Geezer |
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Marshall super bass
Started by Geezer |
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5063 Views |
by Geezer |
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output tranny wiring
Started by Geezer |
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5162 Views |
by Geezer |
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5E3 heater wires @ low voltage
Started by Geezer |
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5459 Views |
by Geezer |
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Buying a DMM
Started by Geezer |
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4574 Views |
by Geezer |
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Matchless Spitfire inputs
Started by Geezer |
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8749 Views |
by Geezer |
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Very old Speakers from Music Manb
Started by Geezer |
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5143 Views |
by Geezer |
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bassman 100
Started by Geezer |
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6030 Views |
by Geezer |
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5509 Views |
by Geezer |
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Hoffman AB763 in DR Reissue
Started by Geezer |
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4692 Views |
by Geezer |
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NFB Questions
Started by Geezer |
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5022 Views |
by Geezer |
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Newbie Question - Combining Outputs
Started by Geezer |
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4607 Views |
by Geezer |
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Fender Ground Switch Question
Started by Geezer |
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5420 Views |
by Geezer |
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tube orientation of a bluesbreaker
Started by Geezer |
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4907 Views |
by Geezer |
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bassman working like dream now
Started by Geezer |
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4434 Views |
by Geezer |
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"touchy" Reverb on AB763 SR
Started by Geezer |
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5013 Views |
by Geezer |
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DC Heaters
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4752 Views |
by Geezer |
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volume drop
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5440 Views |
by Geezer |
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5538 Views |
by Geezer |
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Cap job question
Started by Geezer |
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4865 Views |
by Geezer |
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new amp build
Started by Geezer |
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4921 Views |
by Geezer |
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floating heaters
Started by Geezer |
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5219 Views |
by Geezer |
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5E3 HUMmmmmm
Started by Geezer |
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5503 Views |
by Geezer |
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0 Replies
5365 Views |
by Geezer |
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dropping heater voltage
Started by Geezer |
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5434 Views |
by Geezer |
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5YE rectifier
Started by Geezer |
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5281 Views |
by Geezer |
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6l6 vs el34
Started by Geezer |
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5255 Views |
by Geezer |
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I have ? on pot install for revibe unit
Started by Geezer |
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5274 Views |
by Geezer |
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