Welcome To the Hoffman Amplifiers Forum
April 26, 2026, 11:06:32 am
Welcome To the Hoffman Amplifiers ForumApril 26, 2026, 11:06:32 am | ||
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Small amp build/repair/tone question
Started by mitscan1 |
6 Replies
4539 Views |
March 24, 2021, 08:27:25 pmby mitscan1 |
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11 Replies
4975 Views |
March 24, 2021, 07:48:22 pm by jordan86 |
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3 Replies
3194 Views |
March 24, 2021, 03:55:26 pm by wittyjeff |
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1 Replies
2804 Views |
March 24, 2021, 03:10:41 pm by proaudioguy |
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10 Replies
5276 Views |
March 24, 2021, 10:26:48 am by Mike_J |
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Coax shielded wire technique?
Started by Opry Audio |
5 Replies
4373 Views |
March 24, 2021, 10:20:27 am by PharmRock |
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Reverb bag
Started by dude |
6 Replies
5540 Views |
March 24, 2021, 10:05:55 am by Latole |
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Cleaning rust off Transformers?
Started by texwest |
11 Replies
6238 Views |
March 24, 2021, 09:23:51 am by mresistor |
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Deluxe Reverb Opto's
Started by navdave |
25 Replies
14724 Views |
March 24, 2021, 07:30:45 am by bmccowan |
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PR bias board cap
Started by dbaum |
11 Replies
5983 Views |
March 23, 2021, 08:31:32 pm by dbaum |
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Reducing hiss in an amp.
Started by Mike_J |
15 Replies
9566 Views |
March 23, 2021, 06:09:17 pm by Mike_J |
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4 Replies
4667 Views |
March 23, 2021, 09:33:18 am by gitarzysta |
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9 Replies
5591 Views |
March 22, 2021, 11:53:35 am by wittyjeff |
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23 Replies
8790 Views |
March 22, 2021, 05:00:18 am by Latole |
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14 Replies
7951 Views |
March 22, 2021, 03:02:03 am by gitarzysta |
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Info for Supro Build
Started by TIMBO |
31 Replies
15772 Views |
March 21, 2021, 02:30:50 pm by TIMBO |
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5 Replies
4400 Views |
March 21, 2021, 01:23:50 pm by Mike_J |
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7 Replies
5124 Views |
March 20, 2021, 07:28:18 pm by tubeswell |
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Mystery Transformer
Started by dbishopbliss |
6 Replies
4493 Views |
March 20, 2021, 03:18:37 pm by dbishopbliss |
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CC resistor drift in princeton reverb
Started by texwest |
5 Replies
4401 Views |
March 20, 2021, 12:56:57 pm by PRR |
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32 Replies
12544 Views |
March 20, 2021, 10:14:27 am by PharmRock |
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6 Replies
6584 Views |
March 20, 2021, 09:03:58 am by acheld |
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Inpedance of output transformer
Started by jamesedmunda |
4 Replies
4298 Views |
March 20, 2021, 03:53:10 am by Latole |
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Mojotone PR buzz
Started by dbaum |
8 Replies
4631 Views |
March 19, 2021, 07:50:16 pm by texwest |
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Doug's custom boards
Started by p2pAmps |
11 Replies
6744 Views |
March 19, 2021, 10:41:33 am by 66Strat |
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Diodes in parallel with GZ34?
Started by Opry Audio |
10 Replies
7096 Views |
March 19, 2021, 08:05:37 am by pdf64 |
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Transformer Supplier
Started by ALBATROS1234 |
1 Replies
3314 Views |
March 18, 2021, 10:38:05 am by Latole |
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Advice on KLD 5E3?
Started by timmyjoe |
5 Replies
4916 Views |
March 18, 2021, 08:42:25 am by dwinstonwood |
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11 Replies
5666 Views |
March 17, 2021, 06:53:25 pm by shooter |
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VHT Standard 18w TMB
Started by mresistor |
2 Replies
4352 Views |
March 17, 2021, 02:31:27 pm by mresistor |
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2 Replies
3461 Views |
March 17, 2021, 01:34:22 pm by pdf64 |
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Dumble 50W 3rd gen
Started by Nikk |
6 Replies
4488 Views |
March 17, 2021, 01:33:43 pm by Nikk |
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TO20 Transformer
Started by AllEars |
18 Replies
10493 Views |
March 17, 2021, 10:15:44 am by thetragichero |
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New amp schematic for feedback
Started by Ed_Chambley |
36 Replies
18841 Views |
March 17, 2021, 08:21:04 am by shooter |
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52 Replies
18095 Views |
March 17, 2021, 07:25:46 am by trobbins |
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JTM45 - Broken power tubes?
Started by jwarlock |
15 Replies
7130 Views |
March 16, 2021, 06:05:34 pm by jwarlock |
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Supro 1696TN scratch build question
Started by luthierwnc |
2 Replies
3835 Views |
March 16, 2021, 03:10:45 pm by luthierwnc |
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Bassman 6G6A 510v on plates
Started by shaun |
10 Replies
5186 Views |
March 16, 2021, 03:06:48 pm by shaun |
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Bleeding Resistors
Started by dude |
9 Replies
5358 Views |
March 16, 2021, 12:46:02 pm by PRR |
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2 Replies
3221 Views |
March 15, 2021, 06:07:18 pm by Coinroller |
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Deluxe OPT in Princeton
Started by casey73 |
9 Replies
5255 Views |
March 15, 2021, 12:05:40 pm by casey73 |
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9 Replies
5323 Views |
March 15, 2021, 11:33:02 am by Mike_J |
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Securing AC and chassis ground points?
Started by Mike_J |
23 Replies
9173 Views |
March 14, 2021, 08:33:35 pm by Soulfetish |
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What would cause bias resistors to blow?
Started by Mason |
14 Replies
8270 Views |
March 14, 2021, 07:25:59 pm by HotBluePlates |
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6 Replies
4778 Views |
March 14, 2021, 04:27:41 am by luthierwnc |
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Univox U235PB B+ Secondary Fusing
Started by astronomicum |
11 Replies
6394 Views |
March 13, 2021, 07:13:30 pm by trobbins |
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6g3 Master Volume conundrum
Started by luthierwnc |
11 Replies
6877 Views |
March 13, 2021, 06:05:41 pm by luthierwnc |
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My hoffman Twin Reverb - new problem
Started by proaudioguy |
5 Replies
4720 Views |
March 13, 2021, 06:03:40 am by sluckey |
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Silvertone 1484 Reverb Issue
Started by jim dresser |
3 Replies
3992 Views |
March 13, 2021, 12:33:38 am by thetragichero |
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6 Replies
3859 Views |
March 12, 2021, 04:58:29 pm by Opry Audio |
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Misc. Hardware |
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Pots Knobs |
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