Welcome To the Hoffman Amplifiers ForumOctober 23, 2025, 05:44:07 am | ||
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suggestions for a bass amp build?
Started by frpax |
14 Replies
4500 Views |
![]() by MFowler |
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17 Replies
4396 Views |
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Help Indentifying Capacitor
Started by whoops |
15 Replies
3805 Views |
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5E3 Mounting?
Started by okguitarman |
4 Replies
2675 Views |
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2 Replies
2124 Views |
![]() by Blind Lemon |
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Line Out Output Jack Design
Started by purpletele |
16 Replies
4067 Views |
![]() by Willabe |
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Non-Standard Turrett Board Width/Height?
Started by Tweeds |
8 Replies
2459 Views |
![]() by kagliostro |
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0 Replies
1647 Views |
![]() by goldstache |
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36 Replies
11042 Views |
![]() by kagliostro |
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Lodestar
Started by Sonny ReVerb |
10 Replies
3388 Views |
![]() by Sonny ReVerb |
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Chassis layout question
Started by fossilshark |
4 Replies
2154 Views |
![]() by fossilshark |
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1 Replies
2093 Views |
![]() by kfs90 |
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6G9-A Tremolux bias question
Started by goldstache |
3 Replies
2178 Views |
![]() by sluckey |
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Question RE: NFB tap
Started by 12AX7 |
13 Replies
5744 Views |
![]() by PRR |
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Multi amp switcher
Started by Ritchie200 |
12 Replies
6316 Views |
![]() by Willabe |
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Has anyone built a Friedman Dirty Shirley?
Started by Mark |
1 Replies
8268 Views |
![]() by darkbluemurder |
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59 Replies
15467 Views |
![]() by shooter |
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2 Replies
2815 Views |
![]() by jaster55 |
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10 Replies
3143 Views |
![]() by silat |
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26 Replies
14864 Views |
![]() by marcus262 |
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Great service
Started by ernie_jr |
2 Replies
2358 Views |
![]() by kagliostro |
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Blown Fuse Troubleshooting
Started by Ambugaton |
31 Replies
7979 Views |
![]() by Ritchie200 |
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Rivera Jake Studio Combo 55 watt amp
Started by punkykatt |
0 Replies
2503 Views |
![]() by punkykatt |
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19 Replies
5085 Views |
![]() by 12AX7 |
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cold bias gain stage?
Started by 12AX7 |
7 Replies
5392 Views |
![]() by 12AX7 |
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Deluxe AB763 bias
Started by Leevi |
3 Replies
2336 Views |
![]() by Leevi |
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D'Mars ODS build completed
Started by MakerDP |
21 Replies
8086 Views |
![]() by MakerDP |
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50 Replies
12043 Views |
![]() by Vdelli |
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Building the Power Amp Section ONLY
Started by jonyoungyi |
6 Replies
2545 Views |
![]() by jonyoungyi |
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Princeton reverb 120v USA to 240v UK
Started by kaborex |
2 Replies
2673 Views |
![]() by PRR |
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tremolo circuit
Started by J Rindt |
9 Replies
4731 Views |
![]() by kagliostro |
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2 Replies
2279 Views |
![]() by kagliostro |
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Master Volume placement in a 5C5 Tweed Pro
Started by Josiah |
7 Replies
3487 Views |
![]() by Josiah |
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6Sj7 to 6SL7 or the other way
Started by Ed_Chambley |
2 Replies
5378 Views |
![]() by Ed_Chambley |
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What is the purpose of paralleled triodes?
Started by 12AX7 |
11 Replies
14122 Views |
![]() by Ed_Chambley |
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"Doug Circuits" VOX AC4 Ver.3
Started by Attila |
5 Replies
16628 Views |
![]() by purpletele |
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43 Replies
11277 Views |
![]() by warioblast |
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power amp and diff preamps
Started by Colas LeGrippa |
2 Replies
2076 Views |
![]() by Colas LeGrippa |
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Peavey MACE hiss problem
Started by Colas LeGrippa |
13 Replies
4744 Views |
![]() by Colas LeGrippa |
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cold bias gain stage
Started by 12AX7 |
11 Replies
4320 Views |
![]() by 12AX7 |
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8 Replies
2678 Views |
![]() by purpletele |
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isolate or ground a reverb send jack?
Started by G._Hoffman |
3 Replies
2169 Views |
![]() by G._Hoffman |
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Bias setting problem
Started by Leevi |
24 Replies
6617 Views |
![]() by whoops |
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bias vs gain flatness
Started by PRR |
1 Replies
1859 Views |
![]() by PRR |
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Old Accordion Tube Amp
Started by drumslinger2000 |
21 Replies
5062 Views |
![]() by drumslinger2000 |
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Biasing questions
Started by 12AX7 |
9 Replies
3057 Views |
![]() by PRR |
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9 Replies
3172 Views |
![]() by guitarsan221 |
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93 Replies
18017 Views |
![]() by Jaymz77 |
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High gain preamp help
Started by dennyg |
6 Replies
2801 Views |
![]() by PRR |
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McIntosh MC250
Started by p2pAmps |
15 Replies
8179 Views |
![]() by p2pAmps |
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