Welcome To the Hoffman Amplifiers Forum
October 22, 2025, 05:18:59 pm
Welcome To the Hoffman Amplifiers ForumOctober 22, 2025, 05:18:59 pm | ||
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Peavey Deuce fluctuation in bias current
Started by JZRepair |
21 Replies
5993 Views |
December 26, 2022, 11:41:42 amby JZRepair |
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1 Replies
2214 Views |
December 26, 2022, 03:08:47 am by Latole |
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Tube Life. CB vs FB
Started by johngovan |
8 Replies
3149 Views |
December 24, 2022, 04:30:02 am by pdf64 |
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16 Replies
4264 Views |
December 23, 2022, 01:20:12 pm by kagliostro |
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West Labs amp.
Started by zapped |
17 Replies
4675 Views |
December 23, 2022, 08:16:13 am by zapped |
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Fender 59 Bassman LTD - Noise problem
Started by jwhitmore |
2 Replies
2178 Views |
December 22, 2022, 04:16:04 am by jwhitmore |
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Blues Jr. PT for 18 watt lite build
Started by edthill |
4 Replies
2537 Views |
December 21, 2022, 09:56:29 pm by McAbe |
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First build: low and muffled output issues
Started by Duncan |
16 Replies
4756 Views |
December 21, 2022, 03:38:40 pm by sluckey |
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4 Replies
2978 Views |
December 21, 2022, 12:51:14 pm by chocopower |
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3 Replies
2258 Views |
December 21, 2022, 08:22:06 am by pdf64 |
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24 Replies
5506 Views |
December 20, 2022, 09:02:47 pm by sluckey |
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AA764 Vibro Champ PT
Started by plexi50 |
25 Replies
5823 Views |
December 20, 2022, 01:40:57 pm by plexi50 |
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Bassman AA864 Build hum / buzz issue
Started by Jamlid |
11 Replies
3325 Views |
December 20, 2022, 12:39:27 pm by Jamlid |
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Gain pot value differences
Started by Ledvedder |
1 Replies
2011 Views |
December 20, 2022, 08:51:29 am by SILVERGUN |
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The TMB Tone Stack Discussion
Started by Platefire |
27 Replies
8157 Views |
December 19, 2022, 09:40:37 pm by Platefire |
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Hum neutralizing circuit
Started by sluckey |
9 Replies
4063 Views |
December 19, 2022, 05:41:53 pm by shooter |
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6G14-A Showman coming out of retirement
Started by tdvt |
4 Replies
2709 Views |
December 19, 2022, 04:36:47 pm by tdvt |
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2 Replies
2315 Views |
December 19, 2022, 08:38:06 am by kagliostro |
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18 watt tremolo cascading
Started by Bieworm |
44 Replies
12050 Views |
December 19, 2022, 08:01:45 am by Bieworm |
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Turns ratio of OT
Started by dude |
8 Replies
2865 Views |
December 18, 2022, 06:36:57 pm by HotBluePlates |
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Fender Bassman 100 cap question
Started by Erik Aa |
15 Replies
3666 Views |
December 18, 2022, 12:30:54 pm by sluckey |
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Super Champ XD Donor
Started by JustMike |
9 Replies
3491 Views |
December 18, 2022, 08:21:13 am by JustMike |
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35 Replies
7509 Views |
December 18, 2022, 06:32:20 am by Jerry garrcia |
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5E3 Build time?
Started by Voxbox |
14 Replies
4477 Views |
December 18, 2022, 04:32:10 am by p2pAmps |
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Power switch pop
Started by Leevi |
14 Replies
3854 Views |
December 18, 2022, 12:30:01 am by Leevi |
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14 Replies
4746 Views |
December 17, 2022, 02:11:48 pm by madnis |
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Hohner Kingstar 20 suggestions
Started by Kesi from Hungary |
3 Replies
2481 Views |
December 17, 2022, 11:34:17 am by Kesi from Hungary |
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How to identify part values....
Started by mmrxcsr01 |
10 Replies
3005 Views |
December 17, 2022, 08:57:53 am by mmrxcsr01 |
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Help me understand this screen supply
Started by Duckmang |
17 Replies
5047 Views |
December 16, 2022, 09:47:06 pm by Duckmang |
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5840 tube question
Started by Oddvar |
5 Replies
3090 Views |
December 16, 2022, 05:48:24 pm by scstill |
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New versus old Jensen P12Q speakers
Started by Voxbox |
0 Replies
1844 Views |
December 16, 2022, 11:02:35 am by Voxbox |
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5 Replies
3022 Views |
December 16, 2022, 08:10:08 am by JPK |
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18 Replies
5062 Views |
December 15, 2022, 09:51:38 pm by Fraggy0117 |
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Stop channel interaction on modded bassman
Started by Kev01 |
22 Replies
5106 Views |
December 15, 2022, 09:00:25 pm by bmccowan |
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a bias procedure question
Started by pbman1953 |
20 Replies
4879 Views |
December 14, 2022, 07:06:22 pm by tubeswell |
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Watkins Copicat tape speed question
Started by Jennings |
2 Replies
1887 Views |
December 14, 2022, 06:51:35 pm by acheld |
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Sunn Clone
Started by DummyLoad |
26 Replies
5315 Views |
December 14, 2022, 11:41:44 am by Platefire |
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8 Replies
3728 Views |
December 14, 2022, 10:25:39 am by Voxbox |
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Marshall Origin mod troubleshooting
Started by Ledvedder |
6 Replies
3578 Views |
December 14, 2022, 07:41:12 am by Ledvedder |
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High VAC on B+
Started by CrocMule |
16 Replies
3831 Views |
December 14, 2022, 06:11:54 am by HotBluePlates |
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Mod filters
Started by dude |
4 Replies
2886 Views |
December 14, 2022, 05:44:34 am by HotBluePlates |
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4 Replies
2245 Views |
December 13, 2022, 11:44:09 pm by swingarm |
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Harvard Amp Mod
Started by TurboGuitarMelton |
14 Replies
4552 Views |
December 13, 2022, 01:29:02 pm by CascoSieg |
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6 Replies
3039 Views |
December 13, 2022, 09:09:08 am by punkykatt |
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8 Replies
3386 Views |
December 12, 2022, 12:26:21 pm by tubeswell |
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12 Replies
3586 Views |
December 11, 2022, 06:36:02 pm by fazeka |
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5f6a bias tap glow
Started by tommyzcat |
10 Replies
2705 Views |
December 11, 2022, 03:08:48 pm by tommyzcat |
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11 Replies
3024 Views |
December 11, 2022, 02:27:53 pm by sluckey |
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mosfet trem blowing PS resistors...
Started by CascoSieg |
13 Replies
3431 Views |
December 11, 2022, 11:20:31 am by CascoSieg |
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EL34 suppressor grid
Started by SoundCity85 |
5 Replies
2338 Views |
December 11, 2022, 09:51:31 am by SoundCity85 |
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