Welcome To the Hoffman Amplifiers Forum
December 08, 2025, 01:04:32 pm
Welcome To the Hoffman Amplifiers ForumDecember 08, 2025, 01:04:32 pm | ||
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My first schematic
Started by Stuff4bikes |
6 Replies
2663 Views |
July 19, 2021, 11:46:32 amby sluckey |
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Edcor Iron
Started by Blueboozer |
12 Replies
3953 Views |
July 18, 2021, 09:49:56 pm by PRR |
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9 Replies
3253 Views |
July 18, 2021, 06:58:56 pm by Rp3703 |
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Odd Little Sharon Amp for interests sake
Started by chee16 |
4 Replies
2558 Views |
July 18, 2021, 10:46:09 am by chee16 |
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7 Replies
2968 Views |
July 17, 2021, 07:38:20 pm by Rp3703 |
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13 Replies
4139 Views |
July 16, 2021, 07:42:42 pm by tubeswell |
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p2p Bad-Dawg off the bench
Started by p2pAmps |
16 Replies
4841 Views |
July 16, 2021, 07:31:58 pm by tubeswell |
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Stiff transformer wire insulation....
Started by Stuff4bikes |
3 Replies
2144 Views |
July 16, 2021, 09:33:28 am by Stuff4bikes |
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2 Replies
2449 Views |
July 16, 2021, 08:03:07 am by Sesh |
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Bandmaster AD1269 "Restore to new"?
Started by JustMike |
9 Replies
3517 Views |
July 15, 2021, 07:59:57 pm by JustMike |
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3 Replies
2362 Views |
July 15, 2021, 09:32:21 am by tubeswell |
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2 Replies
2330 Views |
July 14, 2021, 02:35:57 pm by Sansteeth |
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5e3 output transformer hum
Started by gerry113377 |
20 Replies
5534 Views |
July 13, 2021, 10:01:50 pm by gerry113377 |
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Tremolux 5G9 adjustable bias w/HV tap
Started by Diverted |
16 Replies
4721 Views |
July 13, 2021, 08:37:13 pm by Diverted |
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I built the Bluezmeister Sort of..
Started by JustMike |
12 Replies
4200 Views |
July 13, 2021, 12:08:07 pm by JustMike |
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6 Replies
2789 Views |
July 12, 2021, 01:48:42 pm by dram56 |
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Hiwatt DR504OL circuit question
Started by Leevi |
3 Replies
2743 Views |
July 12, 2021, 10:10:24 am by CascoSieg |
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Single triode for phase invertor?
Started by Stuff4bikes |
8 Replies
3610 Views |
July 12, 2021, 02:01:44 am by tubeswell |
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Princeton Reverb
Started by Big chief |
29 Replies
5765 Views |
July 11, 2021, 08:02:49 pm by sluckey |
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7 Replies
3560 Views |
July 11, 2021, 06:46:41 pm by luthierwnc |
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6G16 Mojo Build - Ground Switch Question
Started by waldner |
3 Replies
2542 Views |
July 10, 2021, 05:51:41 pm by Medley |
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footswitch for DC relay supply?
Started by luthierwnc |
0 Replies
2761 Views |
July 10, 2021, 12:59:02 pm by luthierwnc |
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Coupling capacitors in series?
Started by zircontweezer |
7 Replies
3712 Views |
July 10, 2021, 12:00:32 pm by thetragichero |
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Vvr mosfet
Started by Bieworm |
12 Replies
4293 Views |
July 10, 2021, 09:24:12 am by vibrolax |
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16 Replies
6171 Views |
July 09, 2021, 11:23:35 pm by BrainDeadAmps |
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Bassman 135 Mods ?Purpose
Started by jrc111 |
21 Replies
6234 Views |
July 09, 2021, 08:17:46 pm by jrc111 |
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6G6 Bassman - Is my transformer dead?
Started by plumcrazyfx |
10 Replies
3588 Views |
July 09, 2021, 03:02:28 pm by plumcrazyfx |
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5E1 vs. 5F1
Started by Leevi |
11 Replies
8659 Views |
July 08, 2021, 02:33:34 pm by Tomahawk |
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Bartell/hohner amp, bias question
Started by Stuff4bikes |
8 Replies
3479 Views |
July 08, 2021, 11:50:22 am by PRR |
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Understanding transformer requirements
Started by Tomahawk |
29 Replies
7493 Views |
July 07, 2021, 08:50:18 pm by PRR |
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B+ Quandary
Started by Dr Tony Balls |
5 Replies
3056 Views |
July 07, 2021, 11:36:22 am by PRR |
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Dual Single-Ended TBM 5881
Started by CascoSieg |
12 Replies
4426 Views |
July 07, 2021, 09:29:35 am by CascoSieg |
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3 Replies
2223 Views |
July 07, 2021, 08:38:21 am by acheld |
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16 Replies
4483 Views |
July 06, 2021, 09:39:19 pm by K Teacher |
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Cheap nos tubes
Started by clayman |
7 Replies
3549 Views |
July 06, 2021, 07:40:11 am by Latole |
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How many of you think Aiken is credible?
Started by Mike_J |
13 Replies
6166 Views |
July 06, 2021, 06:24:04 am by walkman |
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3 Replies
2406 Views |
July 05, 2021, 05:34:04 pm by Willabe |
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B52 AT100 coming in
Started by shooter |
11 Replies
3668 Views |
July 05, 2021, 05:31:39 pm by Willabe |
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Blues Jr unbalanced bias
Started by jordan86 |
24 Replies
6006 Views |
July 05, 2021, 01:54:19 pm by PRR |
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Beltone Tremolo Depth?
Started by kerobit |
2 Replies
2187 Views |
July 04, 2021, 01:49:36 pm by kerobit |
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Power Tube/Output Transformer Hum?
Started by kerobit |
3 Replies
2706 Views |
July 03, 2021, 12:04:50 pm by kerobit |
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3 Replies
2112 Views |
July 03, 2021, 09:42:35 am by steveo7868 |
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blackheart "little giant" BH5H
Started by DummyLoad |
34 Replies
18476 Views |
July 03, 2021, 01:01:22 am by baerster |
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B15S Response switch wiring.
Started by Jatchley |
14 Replies
4233 Views |
July 02, 2021, 10:41:47 pm by Jatchley |
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Simple Attenuator Thoughts
Started by dbishopbliss |
24 Replies
7063 Views |
July 02, 2021, 08:03:40 pm by dbishopbliss |
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Fizzy 5E3 clone build...
Started by Stuff4bikes |
7 Replies
2907 Views |
July 02, 2021, 03:13:44 pm by Latole |
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13 Replies
3989 Views |
July 01, 2021, 05:33:41 pm by tony321owen |
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PT for S6420 Thunderbolt?
Started by ampnewbie |
6 Replies
3620 Views |
July 01, 2021, 04:54:53 pm by SoundmasterG |
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9 Replies
6322 Views |
July 01, 2021, 03:21:09 pm by st |
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Main Reservoir Cap
Started by jordan86 |
14 Replies
5655 Views |
July 01, 2021, 09:21:04 am by Fresh_Start |
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