Welcome To the Hoffman Amplifiers Forum
October 23, 2025, 03:19:16 am
Welcome To the Hoffman Amplifiers ForumOctober 23, 2025, 03:19:16 am | ||
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201 Replies
31022 Views |
October 31, 2020, 11:20:31 pmby jammied |
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5A3 preamp tube
Started by Leevi |
2 Replies
1928 Views |
October 31, 2020, 03:51:43 pm by bmccowan |
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Modifying an AO-43 chassis
Started by dude |
9 Replies
2996 Views |
October 31, 2020, 01:03:16 pm by dude |
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303 Replies
57825 Views |
October 30, 2020, 08:52:59 pm by dwinstonwood |
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I need help with identifying hum.
Started by Tapsnap |
19 Replies
4157 Views |
October 30, 2020, 01:58:51 pm by Tapsnap |
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Heater transformer placement
Started by dunner84 |
6 Replies
2474 Views |
October 30, 2020, 12:46:08 pm by dunner84 |
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23 Replies
6070 Views |
October 30, 2020, 08:28:13 am by sluckey |
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Combo Tube Operation Near Speaker Magnet
Started by scstill |
10 Replies
2891 Views |
October 30, 2020, 07:00:07 am by sluckey |
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8 Replies
2283 Views |
October 29, 2020, 10:42:41 pm by Ceece |
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2 Replies
1707 Views |
October 29, 2020, 10:19:26 pm by vratocaster |
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Best High Gain Circuit
Started by imgumby001 |
23 Replies
9244 Views |
October 29, 2020, 09:29:57 am by jammied |
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building a Super (stereo) Reverb
Started by Dimitree |
3 Replies
2630 Views |
October 28, 2020, 11:33:42 pm by silverfox |
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3 Replies
1987 Views |
October 28, 2020, 07:23:17 pm by steveo7868 |
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Yaqin - MC13s
Started by txtune |
35 Replies
11275 Views |
October 28, 2020, 06:43:12 pm by txtune |
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Blues Jr Reverb Crackle/buzzing
Started by PsychicFuzz |
11 Replies
4854 Views |
October 28, 2020, 04:44:17 am by PsychicFuzz |
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9 Replies
3483 Views |
October 27, 2020, 04:19:04 pm by shooter |
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Ampeg B-15NF
Started by Big chief |
8 Replies
2529 Views |
October 26, 2020, 10:31:31 pm by Big chief |
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Hammond M3 Electrodynamic speaker
Started by shaun |
4 Replies
2407 Views |
October 26, 2020, 04:07:46 pm by shaun |
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Butchered Super Reverb...Estimates?
Started by JustMike |
19 Replies
4133 Views |
October 26, 2020, 08:06:16 am by JustMike |
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Stout Chassis Revisions
Started by EL34 |
11 Replies
5426 Views |
October 26, 2020, 08:02:21 am by EL34 |
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Modded 1966 Twin UL OT
Started by Opry Audio |
48 Replies
8456 Views |
October 26, 2020, 12:52:20 am by DummyLoad |
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4 Replies
2481 Views |
October 25, 2020, 08:33:45 pm by steveo7868 |
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5F6-A based build B+ voltage falling
Started by CascoSieg |
5 Replies
2222 Views |
October 25, 2020, 08:13:04 pm by CascoSieg |
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Reverb weird problem on DRRI
Started by Guitardropper |
21 Replies
6354 Views |
October 25, 2020, 09:59:08 am by sluckey |
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Victory Amps under a watt speaker out
Started by Jatchley |
9 Replies
2891 Views |
October 25, 2020, 03:29:20 am by d95err |
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Biasing a single ended output stage...
Started by bruno |
20 Replies
5267 Views |
October 24, 2020, 07:40:32 pm by AmberB |
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Low end buzz issue
Started by jordan86 |
26 Replies
5342 Views |
October 24, 2020, 05:18:52 pm by bmccowan |
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14 Replies
4038 Views |
October 24, 2020, 02:35:13 pm by jammied |
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Raising heaters
Started by daveyajd |
22 Replies
5057 Views |
October 24, 2020, 11:56:51 am by daveyajd |
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Mounting Tube Sockets
Started by yorgle |
20 Replies
4943 Views |
October 23, 2020, 08:59:46 pm by glass54 |
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Anyone know what make of tube this is?
Started by mikeymike |
8 Replies
2677 Views |
October 23, 2020, 11:43:02 am by Soulfetish |
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power amp resources
Started by mlhuff |
3 Replies
1753 Views |
October 22, 2020, 08:57:25 pm by 2deaf |
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8 Replies
2501 Views |
October 22, 2020, 07:26:57 pm by vampwizzard |
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9 Replies
3128 Views |
October 22, 2020, 03:29:16 pm by vampwizzard |
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8 Replies
3141 Views |
October 22, 2020, 12:25:29 pm by astronomicum |
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Strange noise [SOLVED]
Started by Leevi |
5 Replies
2219 Views |
October 22, 2020, 10:58:59 am by Leevi |
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Surface mount equivalents
Started by Steve Blackdog |
9 Replies
2873 Views |
October 22, 2020, 06:58:34 am by HotBluePlates |
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6x5gt rectifryer?
Started by TurboGuitarMelton |
6 Replies
2956 Views |
October 22, 2020, 02:13:15 am by DummyLoad |
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Princeton Reverb build
Started by Opry Audio |
16 Replies
4445 Views |
October 21, 2020, 03:30:04 pm by sluckey |
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18 Replies
4577 Views |
October 21, 2020, 11:03:45 am by steveo7868 |
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Did I get the wrong power transformer?
Started by Tapsnap |
22 Replies
4456 Views |
October 20, 2020, 04:20:22 pm by shooter |
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60 hz Blues (buzz)
Started by Sonny ReVerb |
8 Replies
2469 Views |
October 19, 2020, 09:41:24 pm by Sonny ReVerb |
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19 Replies
4436 Views |
October 19, 2020, 11:21:44 am by shooter |
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MOVED: Another Analogy
Started by sluckey |
0 Replies
1634 Views |
October 19, 2020, 10:57:19 am by sluckey |
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18 Replies
4696 Views |
October 19, 2020, 10:20:13 am by mresistor |
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7 Replies
2812 Views |
October 19, 2020, 09:08:56 am by squarhawk@charter.net |
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4 Replies
2455 Views |
October 19, 2020, 08:30:06 am by vampwizzard |
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6 Replies
3001 Views |
October 18, 2020, 10:58:12 pm by tubeswell |
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Traynor YCV 40 lowB+
Started by jamesedmunda |
2 Replies
1958 Views |
October 16, 2020, 05:48:06 pm by JustMike |
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Reverb Problems
Started by Wanabejimi |
3 Replies
1862 Views |
October 16, 2020, 05:10:05 pm by sluckey |
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