Welcome To the Hoffman Amplifiers ForumOctober 23, 2025, 05:41:30 am | ||
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29 Replies
7810 Views |
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bogen cha-20 hack
Started by DummyLoad |
29 Replies
8531 Views |
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Second channel of AB763 behaving oddly
Started by evancorylevine « 1 2 » |
78 Replies
15307 Views |
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How to use a current limiter
Started by bnwitt |
3 Replies
5534 Views |
![]() by SoundmasterG |
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7 Replies
2810 Views |
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Low power of 5D3
Started by Leevi |
20 Replies
6332 Views |
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1 Replies
2266 Views |
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power tube orientation
Started by dennyg |
2 Replies
2234 Views |
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Princeton Chorus DSL Conversion
Started by 2deaf |
8 Replies
3912 Views |
![]() by SILVERGUN |
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5 Replies
7720 Views |
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67 Replies
19138 Views |
![]() by pompeiisneaks |
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schematic translation/interpretation
Started by davidwpack |
2 Replies
2074 Views |
![]() by davidwpack |
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SE Power & OT Z calcs
Started by dennyg |
11 Replies
3509 Views |
![]() by tubeswell |
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5E3 grounding
Started by JB |
6 Replies
3473 Views |
![]() by bnwitt |
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Current limiter
Started by NotSure |
9 Replies
2798 Views |
![]() by NotSure |
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Blues Jr. Reverb Problem
Started by dpm309 |
5 Replies
2568 Views |
![]() by dpm309 |
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29 Replies
6866 Views |
![]() by tedsorvino1 |
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5 Replies
2973 Views |
![]() by 2deaf |
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2 Replies
1928 Views |
![]() by tubenit |
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screen grid resistor choice for KT88's
Started by Curranm |
6 Replies
7245 Views |
![]() by tubeswell |
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New Build With a Problem
Started by JKRamsey1991 |
13 Replies
3845 Views |
![]() by JKRamsey1991 |
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3 Replies
2581 Views |
![]() by sluckey |
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53 Replies
19794 Views |
![]() by PRR |
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Hoffman blues jr modified HELP ME!!
Started by ClippIn4tae |
30 Replies
6102 Views |
![]() by ClippIn4tae |
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using the relay for my two channel build
Started by Curranm |
15 Replies
3751 Views |
![]() by Curranm |
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1 Replies
2154 Views |
![]() by sluckey |
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Lead boost idea(s)?
Started by dennyg |
10 Replies
3920 Views |
![]() by 2deaf |
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25 Replies
7963 Views |
![]() by jjasilli |
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7 Replies
3735 Views |
![]() by TubeGeek |
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1 Replies
2215 Views |
![]() by SILVERGUN |
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New Fender Amp
Started by Ed_Chambley |
16 Replies
5966 Views |
![]() by Ed_Chambley |
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Failed bias circuit
Started by jim |
20 Replies
6134 Views |
![]() by labb |
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G8 Gibsonette
Started by tubedue1 |
3 Replies
2221 Views |
![]() by PRR |
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JSchem fixed for Mac
Started by sluckey |
0 Replies
1724 Views |
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1watt early stages
Started by shooter |
7 Replies
2956 Views |
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Stout TMB with 6v6 Question
Started by Bwmitc9285 |
24 Replies
7113 Views |
![]() by shooter |
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Blackheart 5 Watt Conversion to Hoffman Stout
Started by purpletele « 1 2 » |
61 Replies
14821 Views |
![]() by purpletele |
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Hoffman Princeton reverb build loud hum
Started by Paulycoo |
8 Replies
3482 Views |
![]() by purpletele |
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EL84 SE BIAS
Started by TIMBO |
13 Replies
7518 Views |
![]() by super&plexi |
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Mesa Rectifier Recap?
Started by BetterOffShred |
3 Replies
3860 Views |
![]() by BetterOffShred |
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6 Replies
3771 Views |
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Isolation transformer suggestions & info
Started by alange5 |
7 Replies
3755 Views |
![]() by PRR |
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Need help with Princeton Reverb 6L6 Build
Started by waldner |
9 Replies
4277 Views |
![]() by mresistor |
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Do I need to match my power tubes?
Started by evancorylevine |
4 Replies
2124 Views |
![]() by 92Volts |
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Negative Feedback Adjustment?
Started by hesamadman |
11 Replies
4264 Views |
![]() by mwelch55 |
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anyone built a 6G6-B
Started by Tone Junkie |
7 Replies
3500 Views |
![]() by Ed_Chambley |
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AA864 Bassman
Started by labb |
5 Replies
2945 Views |
![]() by Ed_Chambley |
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Power tube arcing
Started by ChubeRules |
6 Replies
4512 Views |
![]() by shooter |
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Channel switching
Started by warioblast |
4 Replies
2419 Views |
![]() by sluckey |
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FX Loop issue
Started by hesamadman |
4 Replies
2796 Views |
![]() by hesamadman |
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