Welcome To the Hoffman Amplifiers Forum
July 14, 2026, 08:38:14 am
Welcome To the Hoffman Amplifiers ForumJuly 14, 2026, 08:38:14 am | ||
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7 Replies
6777 Views |
June 05, 2024, 05:27:49 pmby Beezerboy |
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Protecting G2 from overvoltage - How ?
Started by kagliostro |
10 Replies
7028 Views |
June 05, 2024, 05:15:50 pm by kagliostro |
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29 Replies
13442 Views |
June 05, 2024, 05:11:58 pm by moosetone |
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8 Replies
6046 Views |
June 05, 2024, 11:56:45 am by 72Blazer |
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14 Replies
9146 Views |
June 04, 2024, 06:08:47 pm by sluckey |
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Bias pot valve in Plexi 6V6
Started by dude |
13 Replies
8405 Views |
June 04, 2024, 11:48:44 am by sluckey |
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Fuses: fast or slow? How to determine it?
Started by Latole |
4 Replies
5377 Views |
June 04, 2024, 08:03:15 am by Latole |
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Acoustic guitar amplifiers
Started by G._Hoffman |
23 Replies
11360 Views |
June 03, 2024, 01:55:05 pm by jjasilli |
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0 Replies
4415 Views |
June 03, 2024, 11:56:34 am by Duncan |
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Modern Princeton reverb
Started by nandrewjackson |
19 Replies
9343 Views |
June 03, 2024, 11:28:57 am by sluckey |
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24 Replies
13237 Views |
June 03, 2024, 10:16:07 am by tdvt |
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2 Replies
4806 Views |
June 02, 2024, 10:25:31 am by JustMike |
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Cathode bypass caps as noise control
Started by stratomaster |
41 Replies
23371 Views |
June 02, 2024, 12:51:43 am by stratomaster |
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Marshall 2144 Combo
Started by TIMBO |
15 Replies
11937 Views |
June 01, 2024, 06:37:04 pm by TIMBO |
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6BM8 tube retainers
Started by tubenit |
2 Replies
4765 Views |
June 01, 2024, 05:55:34 pm by uki |
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36 Replies
14467 Views |
May 31, 2024, 01:13:03 pm by Yeatzee |
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Help with mu-follower repair
Started by MPRCTCL |
8 Replies
6597 Views |
May 31, 2024, 12:38:02 pm by MPRCTCL |
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Noise in Silver Face MV Twin Reverb amp.
Started by Mark |
2 Replies
4639 Views |
May 31, 2024, 10:47:45 am by Mark |
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Chassis fab
Started by fossilshark |
2 Replies
4858 Views |
May 30, 2024, 09:53:04 am by acheld |
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How to protect OT in an SE amp ?
Started by kagliostro |
4 Replies
5284 Views |
May 30, 2024, 07:56:24 am by kagliostro |
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146 Replies
70387 Views |
May 30, 2024, 12:00:04 am by Willabe |
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Leaking crossline master
Started by Leevi |
3 Replies
5117 Views |
May 29, 2024, 01:09:28 pm by pdf64 |
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5 Replies
6126 Views |
May 29, 2024, 10:24:10 am by sciurian |
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First amp design / layout
Started by landmarker |
20 Replies
9944 Views |
May 28, 2024, 04:23:58 am by landmarker |
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Fender 5F11 Jewel Pulsing with Trem
Started by jukelemon |
16 Replies
8567 Views |
May 27, 2024, 10:31:32 pm by jukelemon |
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V1 grid leak Resistor upper limit?
Started by G._Hoffman |
13 Replies
8517 Views |
May 27, 2024, 10:19:44 pm by j-b-c |
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Transformer question
Started by Snake5150 |
11 Replies
6801 Views |
May 27, 2024, 12:32:53 pm by Snake5150 |
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Wiring second mains transformer
Started by MapleSingleCut |
8 Replies
6120 Views |
May 27, 2024, 08:48:28 am by kagliostro |
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fender 75 lead channel remove help
Started by MatGir |
15 Replies
9561 Views |
May 26, 2024, 09:24:12 pm by Latole |
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Schematic questions
Started by idontknowyou |
1 Replies
4462 Views |
May 25, 2024, 06:31:08 pm by sluckey |
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7 Replies
6583 Views |
May 24, 2024, 04:43:30 am by bullkelp |
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Tremolo Insertion point and NFB
Started by BrainDeadAmps |
3 Replies
5048 Views |
May 23, 2024, 10:50:18 pm by WimWalther |
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73 Replies
27116 Views |
May 23, 2024, 08:10:00 pm by uki |
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Troubleshooting a 5f2a build
Started by BadDave |
23 Replies
9969 Views |
May 23, 2024, 03:56:58 pm by sluckey |
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Question about Alamo Montclair
Started by AlNewman |
17 Replies
8782 Views |
May 23, 2024, 01:39:38 pm by AlNewman |
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PI wiring error question
Started by hiegdk |
6 Replies
5657 Views |
May 22, 2024, 10:24:48 pm by WimWalther |
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3 Replies
5084 Views |
May 22, 2024, 07:56:01 pm by Carlsoti |
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VTL5C1 replacement?
Started by ac427v |
13 Replies
9564 Views |
May 20, 2024, 05:13:08 pm by stratomaster |
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6 Replies
5946 Views |
May 20, 2024, 10:10:01 am by jordan86 |
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11 Replies
9759 Views |
May 20, 2024, 09:57:57 am by jordan86 |
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1 Replies
4292 Views |
May 19, 2024, 10:41:38 pm by sluckey |
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10 Replies
7263 Views |
May 19, 2024, 07:14:07 pm by kagliostro |
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10 Replies
6673 Views |
May 19, 2024, 06:38:37 pm by Carlsoti |
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3 Replies
4619 Views |
May 17, 2024, 09:33:14 pm by HotBluePlates |
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5879 operating conditions question
Started by dwinstonwood |
15 Replies
7770 Views |
May 17, 2024, 03:47:13 pm by dwinstonwood |
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1 Replies
3935 Views |
May 17, 2024, 05:59:06 am by Balticnoiseforge |
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Power tube grid bias and Tremolo
Started by J Rindt |
4 Replies
4434 Views |
May 15, 2024, 10:17:58 pm by J Rindt |
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Biasing an Ampeg SVT 3 Pro
Started by dpm309 |
4 Replies
5680 Views |
May 15, 2024, 06:13:38 pm by dpm309 |
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2 Replies
3900 Views |
May 15, 2024, 03:59:02 pm by kagliostro |
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Where / How to ground series heaters
Started by Jennings |
10 Replies
6191 Views |
May 15, 2024, 02:27:39 pm by Jennings |
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