Welcome To the Hoffman Amplifiers Forum
April 26, 2026, 07:47:35 am
Welcome To the Hoffman Amplifiers ForumApril 26, 2026, 07:47:35 am | ||
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Unusual fault
Started by Rgeebee |
8 Replies
3990 Views |
April 15, 2022, 06:05:35 pmby Rgeebee |
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32 Replies
13720 Views |
April 15, 2022, 04:31:30 pm by shooter |
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What amp to build
Started by Grees01 |
38 Replies
9841 Views |
April 15, 2022, 03:43:47 pm by owen |
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18 Replies
5640 Views |
April 15, 2022, 03:07:19 pm by Platefire |
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Input jack Grounding best practice
Started by acheld |
22 Replies
14018 Views |
April 15, 2022, 02:55:30 pm by joesatch |
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5 Replies
4453 Views |
April 15, 2022, 10:57:12 am by mresistor |
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Ciao a tutti
Started by Bonfigl92 |
3 Replies
4218 Views |
April 15, 2022, 03:41:43 am by Latole |
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11 Replies
5701 Views |
April 14, 2022, 08:42:43 pm by Esquirefreak |
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Old Pro Junior Weird Noise
Started by Travis8 |
35 Replies
9298 Views |
April 14, 2022, 10:58:43 am by Travis8 |
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Preamp only build
Started by joesatch |
2 Replies
3332 Views |
April 12, 2022, 04:20:22 pm by joesatch |
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14 Replies
6871 Views |
April 12, 2022, 02:54:30 pm by punkykatt |
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First Build report - Schedule 40 GA-5
Started by jaydeshan |
3 Replies
3792 Views |
April 11, 2022, 09:07:21 pm by jaydeshan |
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6 Replies
4251 Views |
April 11, 2022, 08:35:53 pm by thetragichero |
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7 Replies
4912 Views |
April 11, 2022, 07:28:07 pm by PharmRock |
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Getter turning white, why?
Started by Sansteeth |
8 Replies
4112 Views |
April 11, 2022, 07:17:29 pm by PRR |
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1 Replies
3190 Views |
April 11, 2022, 02:08:31 pm by SILVERGUN |
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2 Replies
3474 Views |
April 11, 2022, 12:36:09 pm by hiegdk |
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Plexi clone power and bias problems
Started by jewellworks |
4 Replies
3699 Views |
April 11, 2022, 10:45:44 am by uki |
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51 Replies
11901 Views |
April 11, 2022, 10:27:46 am by Erik Aa |
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Load line and biasing issues
Started by Breadbored |
3 Replies
3560 Views |
April 11, 2022, 08:35:15 am by Breadbored |
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Negative bias connection on GZ34
Started by Bieworm |
3 Replies
3890 Views |
April 11, 2022, 08:25:29 am by tubeswell |
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21 Replies
6707 Views |
April 10, 2022, 01:15:38 pm by thetragichero |
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6 Replies
3861 Views |
April 09, 2022, 06:09:36 pm by pdf64 |
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How to thin the homebrew herd?
Started by luthierwnc |
15 Replies
4923 Views |
April 09, 2022, 03:50:03 pm by vampwizzard |
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OT rattling on chassis
Started by Dyerseve726 |
7 Replies
4225 Views |
April 09, 2022, 03:04:13 pm by Dyerseve726 |
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36 Replies
18029 Views |
April 09, 2022, 09:58:48 am by brewdude |
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PPIMV in a Twin Reverb AB763
Started by 72Blazer |
2 Replies
3653 Views |
April 08, 2022, 08:17:18 pm by 72Blazer |
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Sound city 120 h.t. Fuse blown
Started by mattiambro |
21 Replies
7768 Views |
April 08, 2022, 04:46:39 pm by IndustryCode783401 |
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Reverb Transformer Question
Started by CascoSieg |
5 Replies
3712 Views |
April 08, 2022, 12:23:56 pm by CascoSieg |
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0 Replies
4139 Views |
April 08, 2022, 11:01:32 am by soapfoot |
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need help finding a pot
Started by joesatch |
23 Replies
6878 Views |
April 08, 2022, 10:04:36 am by bmccowan |
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2 Replies
4398 Views |
April 08, 2022, 02:57:15 am by NoDough |
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3 Replies
3070 Views |
April 08, 2022, 02:53:33 am by NoDough |
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A few random questions...
Started by Stuff4bikes |
7 Replies
4490 Views |
April 06, 2022, 01:57:37 pm by shooter |
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Bugera V22 power transformer specs
Started by mk_716 |
6 Replies
4349 Views |
April 06, 2022, 12:26:42 pm by mk_716 |
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Scaled-Down Bluesbreaker
Started by hawkes1962 |
27 Replies
10269 Views |
April 06, 2022, 11:13:25 am by hawkes1962 |
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Supertwin bias question
Started by howardmoon |
2 Replies
3186 Views |
April 06, 2022, 11:04:20 am by howardmoon |
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A Little Trem-O-Nator Help?
Started by Lectroid |
49 Replies
12369 Views |
April 05, 2022, 04:31:29 pm by Lectroid |
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18 Replies
10757 Views |
April 05, 2022, 03:04:35 pm by Rontone |
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13 Replies
5470 Views |
April 05, 2022, 01:11:01 pm by shooter |
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7 Replies
6990 Views |
April 05, 2022, 10:17:37 am by PharmRock |
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I'm getting a light shock
Started by pbman1953 |
26 Replies
7262 Views |
April 04, 2022, 10:02:13 pm by PRR |
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Fender Deluxe Output Transformer testing
Started by fritz203 |
14 Replies
6121 Views |
April 04, 2022, 03:40:11 pm by fritz203 |
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2 Replies
2851 Views |
April 04, 2022, 03:27:46 pm by fdesalvo |
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Princeton Reverb NFB resistor issue
Started by teletaylor |
4 Replies
3262 Views |
April 04, 2022, 01:49:22 pm by PRR |
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18 Replies
8746 Views |
April 04, 2022, 12:12:29 pm by pdf64 |
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Boost switch on AB763
Started by dude |
4 Replies
2873 Views |
April 03, 2022, 03:05:54 pm by dude |
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7 Replies
4014 Views |
April 03, 2022, 01:20:23 pm by shooter |
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Blues JR Versions vs schematics
Started by Nathan |
10 Replies
5241 Views |
April 03, 2022, 06:49:55 am by pdf64 |
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IERC tube shields
Started by PharmRock |
1 Replies
2469 Views |
April 02, 2022, 12:15:56 pm by sluckey |
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