Welcome To the Hoffman Amplifiers Forum
September 06, 2025, 12:46:05 pm
Welcome To the Hoffman Amplifiers ForumSeptember 06, 2025, 12:46:05 pm | ||
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| 0 Members and 32 Guests are viewing this board. | ||||
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7 Replies
2329 Views |
July 17, 2021, 07:38:20 pmby Rp3703 |
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13 Replies
3440 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
3884 Views |
July 16, 2021, 07:31:58 pm by tubeswell |
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Stiff transformer wire insulation....
Started by Stuff4bikes |
3 Replies
1722 Views |
July 16, 2021, 09:33:28 am by Stuff4bikes |
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2 Replies
1911 Views |
July 16, 2021, 08:03:07 am by Sesh |
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Bandmaster AD1269 "Restore to new"?
Started by JustMike |
9 Replies
2885 Views |
July 15, 2021, 07:59:57 pm by JustMike |
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3 Replies
1885 Views |
July 15, 2021, 09:32:21 am by tubeswell |
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2 Replies
1894 Views |
July 14, 2021, 02:35:57 pm by Sansteeth |
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5e3 output transformer hum
Started by gerry113377 |
20 Replies
4535 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
3887 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
3419 Views |
July 13, 2021, 12:08:07 pm by JustMike |
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6 Replies
2144 Views |
July 12, 2021, 01:48:42 pm by dram56 |
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Hiwatt DR504OL circuit question
Started by Leevi |
3 Replies
2165 Views |
July 12, 2021, 10:10:24 am by CascoSieg |
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Single triode for phase invertor?
Started by Stuff4bikes |
8 Replies
2815 Views |
July 12, 2021, 02:01:44 am by tubeswell |
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Princeton Reverb
Started by Big chief |
29 Replies
4810 Views |
July 11, 2021, 08:02:49 pm by sluckey |
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7 Replies
2709 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
1879 Views |
July 10, 2021, 05:51:41 pm by Medley |
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footswitch for DC relay supply?
Started by luthierwnc |
0 Replies
2282 Views |
July 10, 2021, 12:59:02 pm by luthierwnc |
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Coupling capacitors in series?
Started by zircontweezer |
7 Replies
3105 Views |
July 10, 2021, 12:00:32 pm by thetragichero |
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Vvr mosfet
Started by Bieworm |
12 Replies
3608 Views |
July 10, 2021, 09:24:12 am by vibrolax |
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16 Replies
5197 Views |
July 09, 2021, 11:23:35 pm by BrainDeadAmps |
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Bassman 135 Mods ?Purpose
Started by jrc111 |
21 Replies
5377 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
3042 Views |
July 09, 2021, 03:02:28 pm by plumcrazyfx |
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5E1 vs. 5F1
Started by Leevi |
11 Replies
7835 Views |
July 08, 2021, 02:33:34 pm by Tomahawk |
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Bartell/hohner amp, bias question
Started by Stuff4bikes |
8 Replies
2758 Views |
July 08, 2021, 11:50:22 am by PRR |
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Understanding transformer requirements
Started by Tomahawk |
29 Replies
6326 Views |
July 07, 2021, 08:50:18 pm by PRR |
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B+ Quandary
Started by Dr Tony Balls |
5 Replies
2508 Views |
July 07, 2021, 11:36:22 am by PRR |
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Dual Single-Ended TBM 5881
Started by CascoSieg |
12 Replies
3815 Views |
July 07, 2021, 09:29:35 am by CascoSieg |
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3 Replies
1826 Views |
July 07, 2021, 08:38:21 am by acheld |
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16 Replies
3887 Views |
July 06, 2021, 09:39:19 pm by K Teacher |
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Cheap nos tubes
Started by clayman |
7 Replies
2883 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
5142 Views |
July 06, 2021, 06:24:04 am by walkman |
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3 Replies
1862 Views |
July 05, 2021, 05:34:04 pm by Willabe |
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B52 AT100 coming in
Started by shooter |
11 Replies
2896 Views |
July 05, 2021, 05:31:39 pm by Willabe |
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Blues Jr unbalanced bias
Started by jordan86 |
24 Replies
4982 Views |
July 05, 2021, 01:54:19 pm by PRR |
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Beltone Tremolo Depth?
Started by kerobit |
2 Replies
1751 Views |
July 04, 2021, 01:49:36 pm by kerobit |
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Power Tube/Output Transformer Hum?
Started by kerobit |
3 Replies
2190 Views |
July 03, 2021, 12:04:50 pm by kerobit |
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3 Replies
1724 Views |
July 03, 2021, 09:42:35 am by steveo7868 |
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blackheart "little giant" BH5H
Started by DummyLoad |
34 Replies
16730 Views |
July 03, 2021, 01:01:22 am by baerster |
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B15S Response switch wiring.
Started by Jatchley |
14 Replies
3533 Views |
July 02, 2021, 10:41:47 pm by Jatchley |
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Simple Attenuator Thoughts
Started by dbishopbliss |
24 Replies
5810 Views |
July 02, 2021, 08:03:40 pm by dbishopbliss |
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Fizzy 5E3 clone build...
Started by Stuff4bikes |
7 Replies
2292 Views |
July 02, 2021, 03:13:44 pm by Latole |
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13 Replies
3290 Views |
July 01, 2021, 05:33:41 pm by tony321owen |
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PT for S6420 Thunderbolt?
Started by ampnewbie |
6 Replies
3087 Views |
July 01, 2021, 04:54:53 pm by SoundmasterG |
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9 Replies
5398 Views |
July 01, 2021, 03:21:09 pm by st |
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Main Reservoir Cap
Started by jordan86 |
14 Replies
4721 Views |
July 01, 2021, 09:21:04 am by Fresh_Start |
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Resistor in a power supply
Started by JRobin68 |
2 Replies
1633 Views |
June 30, 2021, 11:18:49 pm by PRR |
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signal being fed to cathode?
Started by idontknowyou |
5 Replies
1961 Views |
June 30, 2021, 10:16:23 am by Willabe |
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3 Replies
1897 Views |
June 29, 2021, 07:17:15 pm by thetragichero |
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Capacitor drain resistor
Started by AmberB |
11 Replies
5182 Views |
June 29, 2021, 06:46:02 pm by sluckey |
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