Welcome To the Hoffman Amplifiers Forum
March 11, 2026, 04:00:26 pm
Welcome To the Hoffman Amplifiers ForumMarch 11, 2026, 04:00:26 pm | ||
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| passaloutre, Glenn, dogburn and 103 Guests are viewing this board. | ||||
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9 Replies
3806 Views |
May 09, 2024, 12:50:05 pmby pdf64 |
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7 Replies
3604 Views |
May 09, 2024, 12:02:45 pm by j-b-c |
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Univox ; fuse issue
Started by Latole |
1 Replies
2572 Views |
May 09, 2024, 05:49:14 am by Latole |
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Schematic for Vox AC15CC1 amplifier
Started by punkykatt |
6 Replies
8928 Views |
May 08, 2024, 03:16:37 pm by Latole |
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2-el84 cathode biased amp.
Started by MarkT |
4 Replies
2709 Views |
May 08, 2024, 02:51:50 pm by sluckey |
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6J7 filmosound conversion issues
Started by filmdiary |
0 Replies
2360 Views |
May 07, 2024, 08:53:59 pm by filmdiary |
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GU50 question
Started by Leevi |
8 Replies
3552 Views |
May 07, 2024, 08:50:07 pm by danhei |
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Bias tremolo in cathode biased amp
Started by roseblood11 |
26 Replies
8811 Views |
May 07, 2024, 08:48:29 am by Bieworm |
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4M volume pot
Started by Colas LeGrippa |
1 Replies
1992 Views |
May 07, 2024, 03:03:20 am by Latole |
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70’s Twin with conductive board
Started by Mark |
15 Replies
4681 Views |
May 06, 2024, 06:18:58 pm by Mark |
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Fiberboard Conductive?
Started by jeff |
35 Replies
18634 Views |
May 06, 2024, 06:17:11 pm by Mark |
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Plate bypass capacitor location
Started by Zenabi |
12 Replies
4841 Views |
May 06, 2024, 08:18:54 am by Zenabi |
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9 Replies
5115 Views |
May 06, 2024, 07:16:46 am by sluckey |
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26 Replies
8975 Views |
May 06, 2024, 03:21:55 am by Latole |
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“Jtm 45” help
Started by Snake5150 |
14 Replies
4425 Views |
May 05, 2024, 02:08:59 pm by Dave |
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16 Replies
6578 Views |
May 05, 2024, 11:30:31 am by Duncan |
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8 Replies
3639 Views |
May 05, 2024, 08:44:07 am by sluckey |
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3 Replies
2347 Views |
May 05, 2024, 06:29:45 am by sluckey |
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100 hz noise Selmer Treble N'Bass Mk2
Started by Nikolaj2121 |
1 Replies
2009 Views |
May 04, 2024, 03:38:19 pm by EL34 |
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Troubleshooting 6G15 Build
Started by moosetone |
7 Replies
3283 Views |
May 04, 2024, 02:33:50 pm by moosetone |
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Magnatone 213 No Vibrato
Started by plexi50 |
5 Replies
2977 Views |
May 04, 2024, 02:11:31 pm by plexi50 |
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1 Replies
2317 Views |
May 04, 2024, 03:35:01 am by Latole |
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Screen tap on Transformer?
Started by G._Hoffman |
3 Replies
2526 Views |
May 04, 2024, 12:19:58 am by G._Hoffman |
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5 Replies
3069 Views |
May 03, 2024, 05:22:39 pm by SteveInMN |
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6CA5 push pull load lines for Raezzor
Started by brewdude |
0 Replies
1895 Views |
May 03, 2024, 02:55:26 pm by brewdude |
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SLO100 build lost B+
Started by hiegdk |
22 Replies
6670 Views |
May 03, 2024, 02:28:59 pm by Latole |
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Triple Valvecaster Schematic
Started by idsnowdog |
0 Replies
2048 Views |
May 03, 2024, 11:06:05 am by idsnowdog |
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Separate Reverb B+ node..?
Started by tdvt |
3 Replies
2410 Views |
May 03, 2024, 07:04:19 am by tdvt |
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Failing dual gang pot?
Started by Esquirefreak |
11 Replies
4184 Views |
May 03, 2024, 06:20:16 am by Esquirefreak |
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Identity a Revolver Board
Started by iquester@att.net |
16 Replies
4664 Views |
May 02, 2024, 03:09:57 pm by iquester@att.net |
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Single Ended Spitfire
Started by jjschessmaster |
1 Replies
2071 Views |
May 02, 2024, 08:52:25 am by sluckey |
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14 Replies
5785 Views |
May 02, 2024, 05:34:29 am by fkitch |
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11 Replies
7417 Views |
May 01, 2024, 11:18:12 am by BadCatCubII |
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2 Replies
2649 Views |
May 01, 2024, 08:55:21 am by J3ona1 |
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Robrob slo ef80 amp build question
Started by Canezila |
5 Replies
3179 Views |
April 30, 2024, 06:39:27 pm by Canezila |
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2 Replies
2318 Views |
April 30, 2024, 06:36:43 pm by kagliostro |
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6g15 Fender reverb unit
Started by Colas LeGrippa |
8 Replies
4016 Views |
April 30, 2024, 02:55:19 pm by HotBluePlates |
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Garnet Stinger…taming the beast
Started by TubeGeek |
37 Replies
9814 Views |
April 30, 2024, 02:35:12 pm by HotBluePlates |
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GA-19RVT build
Started by mmaguire9 |
14 Replies
5584 Views |
April 30, 2024, 02:14:16 am by chocopower |
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Matchless Hurricane Tremolo?
Started by mini612 |
7 Replies
3799 Views |
April 29, 2024, 11:03:05 am by sluckey |
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17 Replies
7119 Views |
April 28, 2024, 09:34:30 am by tdvt |
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18 Replies
8705 Views |
April 28, 2024, 09:17:45 am by tubenit |
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Signal Issue with BAD Soldano SLO100
Started by Tricalibur |
3 Replies
3163 Views |
April 27, 2024, 07:34:38 pm by sluckey |
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bias pot wiper cap to ground
Started by joesatch |
2 Replies
2423 Views |
April 27, 2024, 07:30:13 pm by sluckey |
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37 Replies
10590 Views |
April 27, 2024, 06:01:50 pm by acheld |
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My first schematic
Started by Esquirefreak |
27 Replies
7734 Views |
April 27, 2024, 03:40:24 pm by wsscott |
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Matchless TMB tone stack.
Started by idsnowdog |
13 Replies
4972 Views |
April 27, 2024, 02:17:42 pm by idsnowdog |
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What do you all do for custom faceplates?
Started by Nathan |
41 Replies
17537 Views |
April 26, 2024, 07:39:27 pm by tdvt |
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1 Replies
2279 Views |
April 25, 2024, 12:28:05 pm by kagliostro |
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Harmony 420 gain stage
Started by ok_state_blues |
8 Replies
4152 Views |
April 24, 2024, 03:51:53 pm by tubeswell |
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