Welcome To the Hoffman Amplifiers ForumJanuary 24, 2026, 07:19:42 am | ||
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Fixed to cathode bias switch
Started by Apprentice |
9 Replies
6235 Views |
by Apprentice |
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I have the bug again - Time to build
Started by sdp1234 |
1 Replies
2598 Views |
by hesamadman |
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3 Questions: 5F4 Tweed Super
Started by beckspeed |
5 Replies
3985 Views |
by beckspeed |
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2 Replies
3526 Views |
by alange5 |
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23 Replies
10501 Views |
by bnwitt |
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1 Replies
2388 Views |
by SILVERGUN |
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1 Replies
3126 Views |
by jjasilli |
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Mod Suggestions for 75' Plexi clone.
Started by Pochie45566 |
19 Replies
6288 Views |
by DummyLoad |
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MOSFET CF using a hoffman style layout
Started by sdp1234 |
2 Replies
3181 Views |
by tubeswell |
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3 Replies
2772 Views |
by TerryD |
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Supro 1624T Dual Tone
Started by Joel |
19 Replies
16737 Views |
by clyde |
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Crate Vintage Club 20 Squealing
Started by dpm309 |
8 Replies
6995 Views |
by dpm309 |
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22798 PT
Started by davidwpack |
2 Replies
2486 Views |
by davidwpack |
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Low Volume only when played clean
Started by Pochie45566 |
34 Replies
10896 Views |
by Pochie45566 |
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Not the normal "blue glow" question
Started by Johntb |
8 Replies
4717 Views |
by Johntb |
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Help me find "how to build amp" post
Started by eldredjames |
5 Replies
2938 Views |
by shooter |
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0 Replies
2412 Views |
by Willabe |
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17 Replies
5784 Views |
by Steve_P |
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Bypass cap attenuation
Started by theundeadelvis |
3 Replies
3158 Views |
by davidwpack |
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4 Replies
3800 Views |
by jonyoungyi |
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questions about a Gibson Hawk GA-25RVT
Started by alange5 |
23 Replies
14085 Views |
by alange5 |
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silverface twin bias arrangement
Started by jim |
3 Replies
2612 Views |
by jim |
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4 Replies
4265 Views |
by ululufut |
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1 Replies
5278 Views |
by plumcrazyfx |
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4 Replies
3570 Views |
by tubeswell |
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Q on fine tuning bass pot
Started by dude |
2 Replies
2579 Views |
by dude |
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2000s, cap increases, worth it or not
Started by pbman1953 |
23 Replies
7000 Views |
by pbman1953 |
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Blocking Distortion?
Started by hesamadman |
5 Replies
5430 Views |
by tubeswell |
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155 Replies
53504 Views |
by frpax |
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stoopit reverb on the bench.
Started by DummyLoad |
7 Replies
3834 Views |
by DummyLoad |
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PT/OT matchup JTM45 Build
Started by TIMBO |
30 Replies
8790 Views |
by TIMBO |
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52 Replies
22477 Views |
by jojokeo |
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15 Replies
5514 Views |
by pompeiisneaks |
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MOVED: Cats on Amps
Started by EL34 |
0 Replies
2286 Views |
by EL34 |
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66 Pro Reverb faceplate damage
Started by Voxbox |
2 Replies
2934 Views |
by Voxbox |
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Bassman 135 rectifier
Started by Leevi |
7 Replies
4215 Views |
by Tony Bones |
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1955 Webcor UL transformer question.
Started by scrimpus |
4 Replies
3851 Views |
by PRR |
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SE build 6L6 redplating
Started by Tone Junkie |
10 Replies
4222 Views |
by shooter |
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Ruby 6L6GCM-STR bias
Started by mresistor |
4 Replies
3698 Views |
by mresistor |
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Trainwreck Liverpool done!
Started by pompeiisneaks |
2 Replies
2719 Views |
by pompeiisneaks |
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The Truth about Tone Capacitors
Started by Leevi |
6 Replies
3513 Views |
by tubenit |
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22 Replies
8665 Views |
by tubeswell |
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5u4 into 50w amp
Started by fossilshark |
3 Replies
2904 Views |
by fossilshark |
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Hoffman 6 v 6 Plexi Combo
Started by purpletele |
16 Replies
6599 Views |
by tubenit |
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28 Replies
12348 Views |
by dbishopbliss |
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Weird distortion on E note ..........
Started by Blind Lemon |
22 Replies
6803 Views |
by Blind Lemon |
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AO-35 OT for a plexi 6V6?
Started by Hellawatt |
6 Replies
4224 Views |
by PRR |
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OT speaker mismatch
Started by TIMBO |
21 Replies
6413 Views |
by drgonzonm |
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4 Replies
2569 Views |
by Johntb |
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DC in signal path between stages
Started by dennyg |
22 Replies
6537 Views |
by dennyg |
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