Welcome To the Hoffman Amplifiers Forum
January 24, 2026, 07:19:40 am
Welcome To the Hoffman Amplifiers ForumJanuary 24, 2026, 07:19:40 am | ||
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| 0 Members and 38 Guests are viewing this board. | ||||
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Time for a new project- Gibson EH-125 =
Started by yorgle |
20 Replies
5394 Views |
November 02, 2020, 07:48:31 pmby yorgle |
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3 Replies
3332 Views |
November 02, 2020, 05:51:33 pm by tweedywoodpecker |
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17 Replies
5925 Views |
November 02, 2020, 05:22:32 pm by wittyjeff |
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26 Replies
6516 Views |
November 02, 2020, 10:00:18 am by Diverted |
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IRF840 mosfet question
Started by Bieworm |
7 Replies
4373 Views |
November 02, 2020, 02:25:20 am by Bieworm |
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6 Replies
3018 Views |
November 01, 2020, 04:39:58 pm by PRR |
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37 Replies
9498 Views |
November 01, 2020, 02:56:48 pm by HotBluePlates |
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Proper setup for 6p3s(6l6gc)
Started by jammied |
18 Replies
6413 Views |
November 01, 2020, 01:25:32 pm by HotBluePlates |
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201 Replies
38462 Views |
October 31, 2020, 11:20:31 pm by jammied |
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5A3 preamp tube
Started by Leevi |
2 Replies
2442 Views |
October 31, 2020, 03:51:43 pm by bmccowan |
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Modifying an AO-43 chassis
Started by dude |
9 Replies
3710 Views |
October 31, 2020, 01:03:16 pm by dude |
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303 Replies
70730 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
5037 Views |
October 30, 2020, 01:58:51 pm by Tapsnap |
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Heater transformer placement
Started by dunner84 |
6 Replies
3144 Views |
October 30, 2020, 12:46:08 pm by dunner84 |
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23 Replies
7530 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
3581 Views |
October 30, 2020, 07:00:07 am by sluckey |
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8 Replies
2885 Views |
October 29, 2020, 10:42:41 pm by Ceece |
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2 Replies
2077 Views |
October 29, 2020, 10:19:26 pm by vratocaster |
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Best High Gain Circuit
Started by imgumby001 |
23 Replies
10606 Views |
October 29, 2020, 09:29:57 am by jammied |
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building a Super (stereo) Reverb
Started by Dimitree |
3 Replies
3426 Views |
October 28, 2020, 11:33:42 pm by silverfox |
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3 Replies
2423 Views |
October 28, 2020, 07:23:17 pm by steveo7868 |
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Yaqin - MC13s
Started by txtune |
35 Replies
12808 Views |
October 28, 2020, 06:43:12 pm by txtune |
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Blues Jr Reverb Crackle/buzzing
Started by PsychicFuzz |
11 Replies
5594 Views |
October 28, 2020, 04:44:17 am by PsychicFuzz |
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9 Replies
4272 Views |
October 27, 2020, 04:19:04 pm by shooter |
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Ampeg B-15NF
Started by Big chief |
8 Replies
3064 Views |
October 26, 2020, 10:31:31 pm by Big chief |
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Hammond M3 Electrodynamic speaker
Started by shaun |
4 Replies
2865 Views |
October 26, 2020, 04:07:46 pm by shaun |
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Butchered Super Reverb...Estimates?
Started by JustMike |
19 Replies
5013 Views |
October 26, 2020, 08:06:16 am by JustMike |
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Stout Chassis Revisions
Started by EL34 |
11 Replies
6068 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
10514 Views |
October 26, 2020, 12:52:20 am by DummyLoad |
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4 Replies
2964 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
2770 Views |
October 25, 2020, 08:13:04 pm by CascoSieg |
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Reverb weird problem on DRRI
Started by Guitardropper |
21 Replies
7236 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
3489 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
6328 Views |
October 24, 2020, 07:40:32 pm by AmberB |
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Low end buzz issue
Started by jordan86 |
26 Replies
6450 Views |
October 24, 2020, 05:18:52 pm by bmccowan |
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14 Replies
4783 Views |
October 24, 2020, 02:35:13 pm by jammied |
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Raising heaters
Started by daveyajd |
22 Replies
6086 Views |
October 24, 2020, 11:56:51 am by daveyajd |
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Mounting Tube Sockets
Started by yorgle |
20 Replies
5824 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
3325 Views |
October 23, 2020, 11:43:02 am by Soulfetish |
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power amp resources
Started by mlhuff |
3 Replies
2266 Views |
October 22, 2020, 08:57:25 pm by 2deaf |
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8 Replies
2996 Views |
October 22, 2020, 07:26:57 pm by vampwizzard |
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9 Replies
3830 Views |
October 22, 2020, 03:29:16 pm by vampwizzard |
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8 Replies
3797 Views |
October 22, 2020, 12:25:29 pm by astronomicum |
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Strange noise [SOLVED]
Started by Leevi |
5 Replies
2774 Views |
October 22, 2020, 10:58:59 am by Leevi |
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Surface mount equivalents
Started by Steve Blackdog |
9 Replies
3473 Views |
October 22, 2020, 06:58:34 am by HotBluePlates |
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6x5gt rectifryer?
Started by TurboGuitarMelton |
6 Replies
3538 Views |
October 22, 2020, 02:13:15 am by DummyLoad |
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Princeton Reverb build
Started by Opry Audio |
16 Replies
5359 Views |
October 21, 2020, 03:30:04 pm by sluckey |
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18 Replies
5484 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
5337 Views |
October 20, 2020, 04:20:22 pm by shooter |
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60 hz Blues (buzz)
Started by Sonny ReVerb |
8 Replies
3069 Views |
October 19, 2020, 09:41:24 pm by Sonny ReVerb |
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