Welcome To the Hoffman Amplifiers Forum
April 26, 2026, 07:47:34 am
Welcome To the Hoffman Amplifiers ForumApril 26, 2026, 07:47:34 am | ||
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24 Replies
7221 Views |
January 08, 2021, 11:18:58 amby Mike_J |
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power rating calculations (math inside)
Started by Sansteeth |
12 Replies
4606 Views |
January 07, 2021, 10:49:43 pm by 2deaf |
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Super reverb tube bias
Started by Underwood |
5 Replies
4240 Views |
January 07, 2021, 05:46:28 am by sluckey |
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Musicson 80+80
Started by chocopower |
17 Replies
6900 Views |
January 07, 2021, 04:08:08 am by chocopower |
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0 Replies
2224 Views |
January 06, 2021, 06:13:26 pm by dankinzelman |
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1 Replies
2301 Views |
January 06, 2021, 02:17:09 pm by mebond11 |
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New Year Modularity - New Preamp Build
Started by Crestone |
15 Replies
5391 Views |
January 06, 2021, 06:18:49 am by Crestone |
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Dual single ended 6V6 build issue
Started by Morse-Electric |
20 Replies
8271 Views |
January 05, 2021, 04:40:29 pm by PRR |
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Supro 1605r can't find a schematic!
Started by swingarm |
6 Replies
4853 Views |
January 05, 2021, 11:53:16 am by swingarm |
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I broke my amp
Started by dwinstonwood |
37 Replies
8627 Views |
January 05, 2021, 09:14:02 am by dwinstonwood |
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dual 6V6 single end by DummyLoad
Started by Mungo Park |
2 Replies
2839 Views |
January 04, 2021, 10:28:54 pm by Mungo Park |
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3 Replies
2686 Views |
January 04, 2021, 09:22:19 pm by Gareth81 |
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12AX7 Stage 1 + 2 Biasing
Started by jordan86 |
3 Replies
4362 Views |
January 04, 2021, 08:50:17 pm by AmberB |
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Sluckey AC-15R Build Reverb Issue
Started by shaun |
14 Replies
4985 Views |
January 04, 2021, 08:13:18 pm by sluckey |
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First Build - Pro Junior???
Started by shark38j |
2 Replies
3241 Views |
January 04, 2021, 06:14:34 pm by scstill |
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0 Replies
2417 Views |
January 04, 2021, 03:04:44 pm by Opry Audio |
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ValveWizard PCB / BJ Hybrid Project
Started by acheld |
7 Replies
4711 Views |
January 04, 2021, 01:54:22 pm by Crestone |
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Need help picking parts on the store
Started by proaudioguy |
4 Replies
3001 Views |
January 04, 2021, 10:09:07 am by sluckey |
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4 Replies
4293 Views |
January 04, 2021, 04:36:32 am by DummyLoad |
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16 Replies
6562 Views |
January 03, 2021, 10:01:31 pm by Lectroid |
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Cap value not specified in 5e3
Started by Colas LeGrippa |
2 Replies
2612 Views |
January 03, 2021, 08:23:27 pm by Colas LeGrippa |
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10 Replies
4799 Views |
January 03, 2021, 12:15:04 pm by Lavely |
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Hoffman Pro Jr Turret board
Started by EL34 |
26 Replies
12966 Views |
January 03, 2021, 11:24:12 am by EL34 |
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34 Replies
10484 Views |
January 02, 2021, 05:26:26 pm by thetragichero |
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14 Replies
6780 Views |
January 02, 2021, 01:47:14 pm by NotWesYet |
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Deluxe Micro Build Issues
Started by scstill |
18 Replies
6202 Views |
January 02, 2021, 01:35:04 pm by shooter |
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Tone Stack distortion
Started by knebiter |
5 Replies
3294 Views |
January 01, 2021, 04:55:28 pm by knebiter |
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9 Replies
5180 Views |
January 01, 2021, 04:10:53 pm by sluckey |
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Stromberg Carlson Tone Stack Mod?
Started by jonathan_kea |
7 Replies
4167 Views |
January 01, 2021, 03:22:14 pm by jonathan_kea |
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12AX7 as a reverb driver
Started by Patrik |
41 Replies
13600 Views |
January 01, 2021, 11:48:20 am by sluckey |
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Tore Vibe 5H15T Tremolo Circuit
Started by TurboGuitarMelton |
2 Replies
3108 Views |
January 01, 2021, 01:15:57 am by PRR |
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3 Replies
2877 Views |
December 31, 2020, 05:14:19 pm by centervolume |
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Supro 6497 Circuit/Schematic
Started by scstill |
2 Replies
3111 Views |
December 31, 2020, 04:29:40 pm by scstill |
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5 Replies
3806 Views |
December 31, 2020, 01:25:55 pm by PRR |
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Tapping a filter cap creates crackle
Started by pbman1953 |
33 Replies
9194 Views |
December 31, 2020, 07:35:42 am by pbman1953 |
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22 Replies
8225 Views |
December 30, 2020, 03:58:45 pm by Mike_J |
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8 Replies
3718 Views |
December 30, 2020, 01:45:44 pm by coreythompsonhm |
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5 Replies
3741 Views |
December 30, 2020, 11:07:26 am by vampwizzard |
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6 Replies
4421 Views |
December 29, 2020, 03:30:54 am by Latole |
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2 Replies
2674 Views |
December 28, 2020, 04:34:23 pm by PRR |
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7 Replies
4812 Views |
December 28, 2020, 12:32:26 pm by sluckey |
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Dual 50 Question
Started by Big_Mike |
3 Replies
2797 Views |
December 27, 2020, 07:52:56 pm by shooter |
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Marshall SV20VH
Started by dude |
12 Replies
6134 Views |
December 27, 2020, 03:51:59 pm by dude |
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Crate V50 help
Started by Cramer1 |
23 Replies
8885 Views |
December 27, 2020, 02:19:24 pm by Cramer1 |
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Three Prong Yet Again
Started by cincyjack |
1 Replies
2453 Views |
December 26, 2020, 02:31:27 pm by vampwizzard |
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Considering building this, maybe UL
Started by Joe6v6 |
21 Replies
6625 Views |
December 26, 2020, 01:11:48 pm by Bieworm |
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5 Replies
3090 Views |
December 26, 2020, 12:36:04 am by DummyLoad |
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help me understand this Dukane PA
Started by alange5 |
39 Replies
16449 Views |
December 25, 2020, 04:28:57 pm by angelodp |
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27 Replies
14003 Views |
December 25, 2020, 03:38:18 pm by sluckey |
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17 Replies
6627 Views |
December 24, 2020, 05:17:43 pm by Jatchley |
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