Welcome To the Hoffman Amplifiers Forum
August 29, 2026, 08:30:22 pm
Welcome To the Hoffman Amplifiers ForumAugust 29, 2026, 08:30:22 pm | ||
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| 0 Members and 38 Guests are viewing this board. | ||||
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Modern Princeton reverb
Started by nandrewjackson |
19 Replies
9903 Views |
June 03, 2024, 11:28:57 amby sluckey |
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24 Replies
14028 Views |
June 03, 2024, 10:16:07 am by tdvt |
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2 Replies
5127 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
26768 Views |
June 02, 2024, 12:51:43 am by stratomaster |
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Marshall 2144 Combo
Started by TIMBO |
15 Replies
12649 Views |
June 01, 2024, 06:37:04 pm by TIMBO |
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6BM8 tube retainers
Started by tubenit |
2 Replies
5106 Views |
June 01, 2024, 05:55:34 pm by uki |
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36 Replies
16111 Views |
May 31, 2024, 01:13:03 pm by Yeatzee |
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Help with mu-follower repair
Started by MPRCTCL |
8 Replies
7171 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
4986 Views |
May 31, 2024, 10:47:45 am by Mark |
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Chassis fab
Started by fossilshark |
2 Replies
5169 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
5703 Views |
May 30, 2024, 07:56:24 am by kagliostro |
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146 Replies
76835 Views |
May 30, 2024, 12:00:04 am by Willabe |
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Leaking crossline master
Started by Leevi |
3 Replies
5485 Views |
May 29, 2024, 01:09:28 pm by pdf64 |
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5 Replies
6551 Views |
May 29, 2024, 10:24:10 am by sciurian |
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First amp design / layout
Started by landmarker |
20 Replies
10668 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
9250 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
9190 Views |
May 27, 2024, 10:19:44 pm by j-b-c |
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Transformer question
Started by Snake5150 |
11 Replies
7408 Views |
May 27, 2024, 12:32:53 pm by Snake5150 |
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Wiring second mains transformer
Started by MapleSingleCut |
8 Replies
6616 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
10398 Views |
May 26, 2024, 09:24:12 pm by Latole |
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Schematic questions
Started by idontknowyou |
1 Replies
4805 Views |
May 25, 2024, 06:31:08 pm by sluckey |
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7 Replies
7187 Views |
May 24, 2024, 04:43:30 am by bullkelp |
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Tremolo Insertion point and NFB
Started by BrainDeadAmps |
3 Replies
5464 Views |
May 23, 2024, 10:50:18 pm by WimWalther |
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73 Replies
30086 Views |
May 23, 2024, 08:10:00 pm by uki |
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Troubleshooting a 5f2a build
Started by BadDave |
23 Replies
10721 Views |
May 23, 2024, 03:56:58 pm by sluckey |
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Question about Alamo Montclair
Started by AlNewman |
17 Replies
9700 Views |
May 23, 2024, 01:39:38 pm by AlNewman |
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PI wiring error question
Started by hiegdk |
6 Replies
6106 Views |
May 22, 2024, 10:24:48 pm by WimWalther |
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3 Replies
5551 Views |
May 22, 2024, 07:56:01 pm by Carlsoti |
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VTL5C1 replacement?
Started by ac427v |
13 Replies
10297 Views |
May 20, 2024, 05:13:08 pm by stratomaster |
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6 Replies
6403 Views |
May 20, 2024, 10:10:01 am by jordan86 |
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11 Replies
10488 Views |
May 20, 2024, 09:57:57 am by jordan86 |
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1 Replies
4694 Views |
May 19, 2024, 10:41:38 pm by sluckey |
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10 Replies
7881 Views |
May 19, 2024, 07:14:07 pm by kagliostro |
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10 Replies
7265 Views |
May 19, 2024, 06:38:37 pm by Carlsoti |
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3 Replies
5049 Views |
May 17, 2024, 09:33:14 pm by HotBluePlates |
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5879 operating conditions question
Started by dwinstonwood |
15 Replies
8399 Views |
May 17, 2024, 03:47:13 pm by dwinstonwood |
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1 Replies
4337 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
4830 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
6155 Views |
May 15, 2024, 06:13:38 pm by dpm309 |
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2 Replies
4289 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
6715 Views |
May 15, 2024, 02:27:39 pm by Jennings |
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Half power switch in a fender 40w or AC30
Started by TonyM |
11 Replies
7430 Views |
May 15, 2024, 06:47:17 am by Latole |
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6G6 Bassman-ish Bias Issue
Started by Skeeter_pdx |
2 Replies
4437 Views |
May 15, 2024, 06:21:51 am by Dave |
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Heeeeelp with huuuuum
Started by isaac_teller |
28 Replies
12630 Views |
May 14, 2024, 12:57:04 pm by Latole |
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7 Replies
5792 Views |
May 14, 2024, 10:57:33 am by kagliostro |
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Gibson Thor mod help
Started by Natelc1979 |
3 Replies
4782 Views |
May 14, 2024, 07:21:13 am by idsnowdog |
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8 Replies
6190 Views |
May 13, 2024, 04:15:42 pm by nandrewjackson |
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3 tubes push pull
Started by Colas LeGrippa |
11 Replies
6919 Views |
May 13, 2024, 12:50:12 pm by pdf64 |
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1 Replies
4496 Views |
May 13, 2024, 12:14:17 pm by Balticnoiseforge |
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Musicman RD 100 2100 Cal Chassis
Started by plexi50 |
16 Replies
8273 Views |
May 13, 2024, 08:20:42 am by plexi50 |
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