Welcome To the Hoffman Amplifiers Forum
July 14, 2026, 11:55:04 am
Welcome To the Hoffman Amplifiers ForumJuly 14, 2026, 11:55:04 am | ||
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Measuring output trasnformer secondaries
Started by texwest |
6 Replies
4126 Views |
April 01, 2021, 10:39:39 pmby PRR |
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5 Replies
4339 Views |
April 01, 2021, 04:39:17 pm by HotBluePlates |
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Unwanted distortion trailing notes
Started by Wanabejimi |
3 Replies
5321 Views |
April 01, 2021, 12:25:37 pm by pdf64 |
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9 Replies
6593 Views |
April 01, 2021, 12:22:11 pm by Mike_J |
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22 Replies
8685 Views |
April 01, 2021, 08:12:24 am by Shack |
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1st stage grid stopper question
Started by burt_toast |
2 Replies
3651 Views |
April 01, 2021, 07:41:25 am by burt_toast |
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Tone pots killing volume
Started by pda041376 |
3 Replies
3943 Views |
March 31, 2021, 07:27:41 pm by HotBluePlates |
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7 Replies
5745 Views |
March 31, 2021, 07:25:57 pm by HotBluePlates |
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60 Replies
24356 Views |
March 31, 2021, 07:02:52 pm by Mike_J |
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3 Replies
5428 Views |
March 31, 2021, 06:57:37 pm by sluckey |
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18 Replies
8539 Views |
March 31, 2021, 08:24:39 am by sluckey |
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61 Replies
28342 Views |
March 30, 2021, 07:03:53 am by pdf64 |
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Weird push-pull performance
Started by Ewan Penkey |
8 Replies
5385 Views |
March 28, 2021, 02:56:09 pm by thetragichero |
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5 Replies
5495 Views |
March 28, 2021, 08:40:59 am by HotBluePlates |
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Rectifier spec explanation
Started by jordan86 |
9 Replies
9646 Views |
March 28, 2021, 08:26:31 am by HotBluePlates |
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6G3 Brownface Deluxe Cabinet Plans
Started by wsscott |
16 Replies
9836 Views |
March 28, 2021, 08:19:38 am by HotBluePlates |
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4 Replies
3851 Views |
March 27, 2021, 06:57:46 pm by PharmRock |
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2 Replies
3660 Views |
March 27, 2021, 12:28:36 pm by luthierwnc |
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12 Replies
7619 Views |
March 27, 2021, 03:32:29 am by pdf64 |
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High gain channel comparison questions
Started by wittyjeff |
32 Replies
16511 Views |
March 26, 2021, 12:51:44 pm by Bieworm |
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23 Replies
9466 Views |
March 26, 2021, 08:04:40 am by sluckey |
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'54 Fender Super 6L6 to 6V6 conversion
Started by anteriorl5 |
1 Replies
3288 Views |
March 25, 2021, 09:14:55 pm by sluckey |
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Small amp build/repair/tone question
Started by mitscan1 |
6 Replies
5282 Views |
March 24, 2021, 08:27:25 pm by mitscan1 |
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11 Replies
5764 Views |
March 24, 2021, 07:48:22 pm by jordan86 |
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3 Replies
3874 Views |
March 24, 2021, 03:55:26 pm by wittyjeff |
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1 Replies
3421 Views |
March 24, 2021, 03:10:41 pm by proaudioguy |
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10 Replies
6004 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
5055 Views |
March 24, 2021, 10:20:27 am by PharmRock |
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Reverb bag
Started by dude |
6 Replies
6317 Views |
March 24, 2021, 10:05:55 am by Latole |
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Cleaning rust off Transformers?
Started by texwest |
11 Replies
6979 Views |
March 24, 2021, 09:23:51 am by mresistor |
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Deluxe Reverb Opto's
Started by navdave |
25 Replies
16084 Views |
March 24, 2021, 07:30:45 am by bmccowan |
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PR bias board cap
Started by dbaum |
11 Replies
6984 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
10822 Views |
March 23, 2021, 06:09:17 pm by Mike_J |
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4 Replies
5334 Views |
March 23, 2021, 09:33:18 am by gitarzysta |
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9 Replies
6612 Views |
March 22, 2021, 11:53:35 am by wittyjeff |
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23 Replies
9753 Views |
March 22, 2021, 05:00:18 am by Latole |
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14 Replies
8914 Views |
March 22, 2021, 03:02:03 am by gitarzysta |
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Info for Supro Build
Started by TIMBO |
31 Replies
16632 Views |
March 21, 2021, 02:30:50 pm by TIMBO |
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5 Replies
5209 Views |
March 21, 2021, 01:23:50 pm by Mike_J |
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7 Replies
5878 Views |
March 20, 2021, 07:28:18 pm by tubeswell |
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Mystery Transformer
Started by dbishopbliss |
6 Replies
5222 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
5075 Views |
March 20, 2021, 12:56:57 pm by PRR |
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32 Replies
14696 Views |
March 20, 2021, 10:14:27 am by PharmRock |
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6 Replies
7384 Views |
March 20, 2021, 09:03:58 am by acheld |
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Inpedance of output transformer
Started by jamesedmunda |
4 Replies
4923 Views |
March 20, 2021, 03:53:10 am by Latole |
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Mojotone PR buzz
Started by dbaum |
8 Replies
5288 Views |
March 19, 2021, 07:50:16 pm by texwest |
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Doug's custom boards
Started by p2pAmps |
11 Replies
7593 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
7923 Views |
March 19, 2021, 08:05:37 am by pdf64 |
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Transformer Supplier
Started by ALBATROS1234 |
1 Replies
3901 Views |
March 18, 2021, 10:38:05 am by Latole |
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Advice on KLD 5E3?
Started by timmyjoe |
5 Replies
5598 Views |
March 18, 2021, 08:42:25 am by dwinstonwood |
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