Welcome To the Hoffman Amplifiers ForumOctober 22, 2025, 11:55:36 pm | ||
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HoSo 56 With EL84 Schematic?
Started by purpletele |
9 Replies
3542 Views |
![]() by purpletele |
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21 Replies
5554 Views |
![]() by sluckey |
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Output Impedance question
Started by Jonas |
3 Replies
1914 Views |
![]() by PRR |
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SPST switch for stanby?
Started by fossilshark |
2 Replies
1840 Views |
![]() by sluckey |
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Interstage transformer for distortion?
Started by JayCobie |
3 Replies
3736 Views |
![]() by OrganicEffects |
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Gibson 1966 GA 55 RVT
Started by Big chief |
34 Replies
9361 Views |
![]() by Big chief |
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Quick PSE biasing question
Started by ECV02 |
8 Replies
3014 Views |
![]() by PRR |
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Rebuilding a Peavey Classic 30
Started by Opry Audio « 1 2 » |
59 Replies
13996 Views |
![]() by silverfox |
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JCM800 build bias
Started by fossilshark |
3 Replies
2359 Views |
![]() by fossilshark |
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Heater Wiring
Started by 5string |
17 Replies
6036 Views |
![]() by PRR |
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12 Replies
8775 Views |
![]() by kagliostro |
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transformer placement
Started by Dimitree |
2 Replies
3507 Views |
![]() by sluckey |
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30 Replies
7220 Views |
![]() by 1blueheron |
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Four inputs on JTM45 vs single on Plexi 6V6
Started by dude |
1 Replies
1911 Views |
![]() by sluckey |
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Help with Stomberg C AU 34
Started by Gvkinney2002 |
7 Replies
3659 Views |
![]() by PRR |
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Blackstar Artisan 15 mods
Started by jamcginley62 |
21 Replies
8779 Views |
![]() by SILVERGUN |
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Fender Vibro Champ buzzy distortion problem
Started by velec |
7 Replies
3805 Views |
![]() by velec |
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wiring old style Marshall input jacks
Started by wolf_papa |
6 Replies
5463 Views |
![]() by wolf_papa |
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4 4 0 PPIMV or vvr ax84
Started by Mehfuzhoss |
13 Replies
4136 Views |
![]() by sluckey |
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Marshall 2204 style amp blowing HT fuse
Started by Fiat_cc |
4 Replies
3215 Views |
![]() by pdf64 |
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12V DC heater supply
Started by Leevi |
11 Replies
6304 Views |
![]() by Leevi |
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Tone King Imperial Tremolo
Started by warioblast |
0 Replies
2457 Views |
![]() by warioblast |
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3 Replies
1810 Views |
![]() by pdf64 |
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26 Replies
10394 Views |
![]() by acheld |
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Blues Junior Bias and Voltage questions
Started by acheld |
2 Replies
2596 Views |
![]() by acheld |
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8k
Started by davidwpack |
5 Replies
2494 Views |
![]() by davidwpack |
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1 Replies
1721 Views |
![]() by PRR |
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grid leak bias ?
Started by Toxophilite |
3 Replies
3592 Views |
![]() by PRR |
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Replace MOV cap in Mesa 240v?
Started by Oddvar |
9 Replies
2977 Views |
![]() by Oddvar |
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7 Replies
2773 Views |
![]() by Tony Bones |
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Mystery Xfmr
Started by coldfire |
3 Replies
2058 Views |
![]() by coldfire |
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Need a little advice on 6G3 volume set-up
Started by dude |
5 Replies
2790 Views |
![]() by dude |
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Adding a reverb tank to 5F6A
Started by sstudley |
10 Replies
3840 Views |
![]() by mresistor |
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Effects Loop Help
Started by Tbone55 |
25 Replies
7481 Views |
![]() by PRR |
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6 Replies
2789 Views |
![]() by punkykatt |
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National/Valco Model 1215 Build
Started by TubeJunkie |
24 Replies
7587 Views |
![]() by TubeJunkie |
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O/Netics Transformer info
Started by reggiepe |
0 Replies
2293 Views |
![]() by reggiepe |
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Illuminated power switch..
Started by labb |
5 Replies
2441 Views |
![]() by labb |
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6 Replies
2803 Views |
![]() by PRR |
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Identifying spk polarity
Started by dude |
2 Replies
1925 Views |
![]() by dude |
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0 Replies
1643 Views |
![]() by EL34 |
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Phoenix project question.
Started by labb |
2 Replies
1963 Views |
![]() by labb |
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27 Replies
6361 Views |
![]() by vampwizzard |
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3 Replies
2110 Views |
![]() by Toffe007 |
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3-way relay with footswitch
Started by isaac_teller |
6 Replies
2623 Views |
![]() by isaac_teller |
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5e3 question
Started by TurboGuitarMelton |
4 Replies
2691 Views |
![]() by kagliostro |
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In or out of phase?
Started by Swampertech |
18 Replies
4410 Views |
![]() by jjasilli |
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Hoffman AB763 2 Channel Build Wiring Q
Started by gheorge77 |
2 Replies
1963 Views |
![]() by gheorge77 |
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Champ 12 hum
Started by Leevi |
13 Replies
5359 Views |
![]() by Leevi |
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