Welcome To the Hoffman Amplifiers ForumOctober 22, 2025, 11:55:35 pm | ||
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Capacitor Voltages
Started by Sine_wave_surfer |
3 Replies
1843 Views |
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More dual secondary questions...
Started by 1blueheron |
6 Replies
2726 Views |
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Speaker resonance
Started by Leevi |
6 Replies
3895 Views |
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Bias issue, 85W AB763 build
Started by Diverted |
11 Replies
4815 Views |
![]() by sluckey |
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12V Heater Question
Started by offabit2001 |
5 Replies
2250 Views |
![]() by glass54 |
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Peavey Classic 30 Rebuild Cont.
Started by Opry Audio |
37 Replies
9064 Views |
![]() by Willabe |
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14 Replies
5835 Views |
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5 Replies
2201 Views |
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38 Replies
7460 Views |
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6 Replies
2838 Views |
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18 Replies
6674 Views |
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5E3 Power Tube Voltages vs Convention
Started by AHeck |
32 Replies
7506 Views |
![]() by texwest |
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Pentode LED bias + screen grid divider
Started by blackcorvo |
22 Replies
7637 Views |
![]() by blackcorvo |
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0 Replies
1683 Views |
![]() by glass54 |
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Multiple center taps?
Started by 1blueheron |
4 Replies
2579 Views |
![]() by 1blueheron |
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EL34 screen grid voltage regulator
Started by nexy_sm |
14 Replies
8883 Views |
![]() by DummyLoad |
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Vox AC15 FX LOOP
Started by rczcustom |
3 Replies
3262 Views |
![]() by PRR |
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Hoffman's plexi50 mod for kt88?
Started by AxelKay |
20 Replies
7277 Views |
![]() by shortfuse |
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3 Replies
2159 Views |
![]() by PRR |
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13 Replies
5945 Views |
![]() by kagliostro |
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6 Replies
2964 Views |
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Silvertone 1482 - Why so distorted?
Started by dbishopbliss « 1 2 » |
82 Replies
19650 Views |
![]() by Platefire |
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Trace Elliot Velocette Issue
Started by Simon |
15 Replies
5768 Views |
![]() by shooter |
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adjustable NFB
Started by Leevi |
6 Replies
3282 Views |
![]() by Leevi |
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Fender Bassman aa371 question
Started by saxetc |
2 Replies
2076 Views |
![]() by saxetc |
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15 Replies
7624 Views |
![]() by yockoe |
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224 Replies
86850 Views |
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20 Replies
8065 Views |
![]() by Ed_Chambley |
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Very Specific Grounding Question (I Swear)
Started by AHeck |
1 Replies
2062 Views |
![]() by Williamblake |
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Sourcing discontinued Hoffman part
Started by Diverted |
2 Replies
1872 Views |
![]() by Diverted |
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Epiphone Valve Jr questions
Started by Electron Tornado |
1 Replies
4672 Views |
![]() by vampwizzard |
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14 Replies
4686 Views |
![]() by Willabe |
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14 Replies
3954 Views |
![]() by texwest |
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Souping up a 5f2a experiment
Started by newguitarsmell |
35 Replies
7996 Views |
![]() by bmccowan |
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30 Replies
7102 Views |
![]() by Stevewdewitt |
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GA-15 RVT rebuild
Started by J A |
13 Replies
19776 Views |
![]() by J A |
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Peavy 110 Donor Chassis Build Suggestions
Started by Tbone55 |
2 Replies
1956 Views |
![]() by Tbone55 |
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29 Replies
6902 Views |
![]() by pdf64 |
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W.H. Paling Amp
Started by TIMBO |
9 Replies
3911 Views |
![]() by TIMBO |
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Meat Pot Noise
Started by Tbone55 |
4 Replies
2243 Views |
![]() by Tbone55 |
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18W "Dual Lite" build
Started by Amped |
21 Replies
7138 Views |
![]() by Amped |
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Cleanest 40-50w circuit?
Started by Diverted |
16 Replies
4678 Views |
![]() by DummyLoad |
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5 Replies
2863 Views |
![]() by Pietro |
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Layout question
Started by Diverted |
7 Replies
2754 Views |
![]() by pdf64 |
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New bias board
Started by Swampertech |
6 Replies
2412 Views |
![]() by Swampertech |
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Badcat classic cat redplating
Started by phsyconoodler |
20 Replies
4882 Views |
![]() by phsyconoodler |
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dwell/reverb pots- linear or audio
Started by texwest |
9 Replies
4017 Views |
![]() by texwest |
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4 Replies
2764 Views |
![]() by ALBATROS1234 |
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Transformer change
Started by Oddvar |
10 Replies
3066 Views |
![]() by 2deaf |
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My first DIYLC board
Started by gooch |
5 Replies
2845 Views |
![]() by EL34 |
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