Welcome To the Hoffman Amplifiers Forum
December 08, 2025, 10:03:29 am
Welcome To the Hoffman Amplifiers ForumDecember 08, 2025, 10:03:29 am | ||
| Subject / Started by | Replies / Views | Last post  |
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| 0 Members and 109 Guests are viewing this board. | ||||
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Univox ; fuse issue
Started by Latole |
1 Replies
1840 Views |
May 09, 2024, 05:49:14 amby Latole |
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Schematic for Vox AC15CC1 amplifier
Started by punkykatt |
6 Replies
8220 Views |
May 08, 2024, 03:16:37 pm by Latole |
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2-el84 cathode biased amp.
Started by MarkT |
4 Replies
2198 Views |
May 08, 2024, 02:51:50 pm by sluckey |
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6J7 filmosound conversion issues
Started by filmdiary |
0 Replies
1954 Views |
May 07, 2024, 08:53:59 pm by filmdiary |
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GU50 question
Started by Leevi |
8 Replies
2859 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
7094 Views |
May 07, 2024, 08:48:29 am by Bieworm |
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4M volume pot
Started by Colas LeGrippa |
1 Replies
1634 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
3949 Views |
May 06, 2024, 06:18:58 pm by Mark |
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Fiberboard Conductive?
Started by jeff |
35 Replies
17199 Views |
May 06, 2024, 06:17:11 pm by Mark |
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Plate bypass capacitor location
Started by Zenabi |
12 Replies
4023 Views |
May 06, 2024, 08:18:54 am by Zenabi |
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9 Replies
4457 Views |
May 06, 2024, 07:16:46 am by sluckey |
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26 Replies
7295 Views |
May 06, 2024, 03:21:55 am by Latole |
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“Jtm 45” help
Started by Snake5150 |
14 Replies
3617 Views |
May 05, 2024, 02:08:59 pm by Dave |
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16 Replies
5486 Views |
May 05, 2024, 11:30:31 am by Duncan |
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8 Replies
2993 Views |
May 05, 2024, 08:44:07 am by sluckey |
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3 Replies
1917 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
1634 Views |
May 04, 2024, 03:38:19 pm by EL34 |
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Troubleshooting 6G15 Build
Started by moosetone |
7 Replies
2750 Views |
May 04, 2024, 02:33:50 pm by moosetone |
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Magnatone 213 No Vibrato
Started by plexi50 |
5 Replies
2410 Views |
May 04, 2024, 02:11:31 pm by plexi50 |
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1 Replies
1894 Views |
May 04, 2024, 03:35:01 am by Latole |
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Screen tap on Transformer?
Started by G._Hoffman |
3 Replies
2047 Views |
May 04, 2024, 12:19:58 am by G._Hoffman |
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5 Replies
2546 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
1557 Views |
May 03, 2024, 02:55:26 pm by brewdude |
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SLO100 build lost B+
Started by hiegdk |
22 Replies
5622 Views |
May 03, 2024, 02:28:59 pm by Latole |
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Triple Valvecaster Schematic
Started by idsnowdog |
0 Replies
1691 Views |
May 03, 2024, 11:06:05 am by idsnowdog |
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Separate Reverb B+ node..?
Started by tdvt |
3 Replies
1980 Views |
May 03, 2024, 07:04:19 am by tdvt |
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Failing dual gang pot?
Started by Esquirefreak |
11 Replies
3567 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
3982 Views |
May 02, 2024, 03:09:57 pm by iquester@att.net |
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Single Ended Spitfire
Started by jjschessmaster |
1 Replies
1707 Views |
May 02, 2024, 08:52:25 am by sluckey |
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14 Replies
4970 Views |
May 02, 2024, 05:34:29 am by fkitch |
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11 Replies
6715 Views |
May 01, 2024, 11:18:12 am by BadCatCubII |
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2 Replies
2177 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
2688 Views |
April 30, 2024, 06:39:27 pm by Canezila |
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2 Replies
1909 Views |
April 30, 2024, 06:36:43 pm by kagliostro |
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6g15 Fender reverb unit
Started by Colas LeGrippa |
8 Replies
3325 Views |
April 30, 2024, 02:55:19 pm by HotBluePlates |
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Garnet Stinger…taming the beast
Started by TubeGeek |
37 Replies
8144 Views |
April 30, 2024, 02:35:12 pm by HotBluePlates |
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GA-19RVT build
Started by mmaguire9 |
14 Replies
4923 Views |
April 30, 2024, 02:14:16 am by chocopower |
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Matchless Hurricane Tremolo?
Started by mini612 |
7 Replies
3026 Views |
April 29, 2024, 11:03:05 am by sluckey |
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17 Replies
6165 Views |
April 28, 2024, 09:34:30 am by tdvt |
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18 Replies
7498 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
2529 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
1938 Views |
April 27, 2024, 07:30:13 pm by sluckey |
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37 Replies
8229 Views |
April 27, 2024, 06:01:50 pm by acheld |
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My first schematic
Started by Esquirefreak |
27 Replies
6415 Views |
April 27, 2024, 03:40:24 pm by wsscott |
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Matchless TMB tone stack.
Started by idsnowdog |
13 Replies
4144 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
14546 Views |
April 26, 2024, 07:39:27 pm by tdvt |
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1 Replies
1774 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
3258 Views |
April 24, 2024, 03:51:53 pm by tubeswell |
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2 Replies
1988 Views |
April 24, 2024, 10:43:39 am by Williamblake |
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8 Replies
2785 Views |
April 24, 2024, 08:41:50 am by Jrusto |
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