Welcome To the Hoffman Amplifiers Forum
December 09, 2025, 08:39:30 am
Welcome To the Hoffman Amplifiers ForumDecember 09, 2025, 08:39:30 am | ||
| Subject / Started by | Replies / Views | Last post  |
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adding a gain stage to a JCM 800
Started by Colas LeGrippa |
7 Replies
11580 Views |
November 22, 2011, 06:02:32 pmby JayB |
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Are these heater voltages now too low?
Started by frank57 |
3 Replies
2892 Views |
November 22, 2011, 04:34:03 pm by FYL |
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14 Replies
9215 Views |
November 22, 2011, 10:02:49 am by terminalgs |
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3 Replies
2535 Views |
November 22, 2011, 02:27:54 am by chocopower |
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Odd 120hz hum in PR build
Started by Raybob |
4 Replies
3357 Views |
November 21, 2011, 11:48:39 pm by billcreller |
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FET stage for gain boost.
Started by phsyconoodler |
4 Replies
3671 Views |
November 21, 2011, 10:59:07 pm by TIMBO |
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Plexi screen resistors- 2 watt okay?
Started by Madison |
9 Replies
4618 Views |
November 21, 2011, 10:41:25 pm by Madison |
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My Next Build
Started by blown240 |
17 Replies
5370 Views |
November 21, 2011, 08:22:29 pm by blown240 |
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4 Replies
3071 Views |
November 21, 2011, 06:37:53 pm by plexi50 |
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7 Replies
4285 Views |
November 21, 2011, 04:25:36 pm by kagliostro |
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Solid state rectifier for 6G6B bassman
Started by Underwood |
3 Replies
3563 Views |
November 21, 2011, 03:41:27 am by stratele52 |
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Valco w/reberb revisited....
Started by billcreller |
4 Replies
3194 Views |
November 21, 2011, 01:25:25 am by billcreller |
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some more newbie questions.
Started by toomanyslurpees |
4 Replies
2656 Views |
November 21, 2011, 12:46:35 am by toomanyslurpees |
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A Couple Dumb Questions
Started by blown240 |
6 Replies
3144 Views |
November 20, 2011, 10:28:41 am by blown240 |
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Mod Madness / Peavy Delta Blues
Started by plexi50 |
0 Replies
2636 Views |
November 20, 2011, 10:02:38 am by plexi50 |
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super reverb build (small issues)
Started by bruno |
17 Replies
6100 Views |
November 20, 2011, 09:16:26 am by bruno |
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Flooded 6G7A Bandmaster Rebuild
Started by gldtp99 |
4 Replies
4288 Views |
November 20, 2011, 04:11:40 am by gldtp99 |
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JTM-45 Mod Suggestions
Started by Ed_Chambley |
18 Replies
12348 Views |
November 20, 2011, 01:16:35 am by rock_mumbles |
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TOS FANTASTIC BUT...........
Started by TIMBO |
11 Replies
5030 Views |
November 19, 2011, 05:49:04 pm by archaos |
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4uf 25V cap in 62 bandmaster?
Started by Underwood |
3 Replies
2775 Views |
November 19, 2011, 04:50:54 pm by Underwood |
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0 Replies
2493 Views |
November 19, 2011, 12:29:22 pm by Underwood |
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FAT SWITCH schem needed, please.
Started by Colas LeGrippa |
6 Replies
4425 Views |
November 19, 2011, 11:39:45 am by Colas LeGrippa |
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Steve Luckey dual preamp plexi..
Started by Homebelly |
13 Replies
6215 Views |
November 19, 2011, 10:33:36 am by plexi50 |
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Peavey Delta Blues PT Heat
Started by plexi50 |
4 Replies
3861 Views |
November 19, 2011, 10:19:08 am by plexi50 |
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Effects loop or line out for a Plexi?
Started by Madison |
2 Replies
3294 Views |
November 19, 2011, 07:35:19 am by Madison |
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9 Replies
4882 Views |
November 19, 2011, 04:47:28 am by stratele52 |
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3 Replies
6292 Views |
November 18, 2011, 08:38:43 pm by darryl |
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Thermostat wire
Started by John |
6 Replies
3804 Views |
November 18, 2011, 03:22:45 pm by stratele52 |
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Low power Orange OD120
Started by chocopower |
6 Replies
3868 Views |
November 18, 2011, 12:23:48 pm by chocopower |
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Help identifying OT on 1960 Fender Pro
Started by six el six |
13 Replies
5234 Views |
November 18, 2011, 10:07:15 am by six el six |
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power dampening
Started by phsyconoodler |
5 Replies
3792 Views |
November 18, 2011, 06:51:42 am by kagliostro |
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5E3 Board installation
Started by scarvin1 |
3 Replies
2891 Views |
November 17, 2011, 08:29:53 pm by triode |
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13 Replies
7236 Views |
November 17, 2011, 01:26:34 pm by kagliostro |
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Vintage 4-pin Mic Wiring Help
Started by jjasilli |
6 Replies
7954 Views |
November 17, 2011, 08:06:11 am by jjasilli |
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6 Replies
6090 Views |
November 17, 2011, 07:09:46 am by Lizard King |
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7 Replies
5523 Views |
November 16, 2011, 02:06:08 pm by frank57 |
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filament transformer CT
Started by firemedic |
4 Replies
2763 Views |
November 16, 2011, 11:19:05 am by John |
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Heavy distortion
Started by jeff |
4 Replies
2707 Views |
November 16, 2011, 07:55:24 am by Boots Deville |
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Lost volume - Vox type build
Started by sdp1234 |
14 Replies
4829 Views |
November 15, 2011, 09:17:47 pm by sdp1234 |
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Hammond H112
Started by rafe |
17 Replies
12839 Views |
November 15, 2011, 05:55:12 pm by rafe |
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7 Replies
3849 Views |
November 15, 2011, 05:23:42 pm by chocopower |
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SoLow Watt TBM
Started by tubenit |
0 Replies
2922 Views |
November 15, 2011, 07:15:51 am by tubenit |
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3 Replies
3001 Views |
November 15, 2011, 03:45:43 am by bruno |
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Mixer Resistors
Started by blown240 |
8 Replies
5637 Views |
November 15, 2011, 12:31:40 am by PRR |
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Help Me Diagnose an Issue
Started by blown240 |
29 Replies
9128 Views |
November 14, 2011, 12:22:43 pm by blown240 |
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Choke orientation
Started by firemedic |
4 Replies
3638 Views |
November 14, 2011, 12:18:54 pm by firemedic |
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What's the best place to elevate heaters?
Started by frank57 |
16 Replies
6416 Views |
November 14, 2011, 09:44:05 am by frank57 |
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I Scored Today!!!
Started by blown240 |
47 Replies
13644 Views |
November 14, 2011, 07:41:24 am by Tom_Hull |
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7199 Dilemma - Resolved!
Started by P Batty |
12 Replies
8938 Views |
November 13, 2011, 06:03:35 pm by P Batty |
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Best way to fry an OT?
Started by Madison |
10 Replies
5037 Views |
November 12, 2011, 07:52:39 pm by Colas LeGrippa |
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