Welcome To the Hoffman Amplifiers Forum
October 23, 2025, 05:47:36 am
Welcome To the Hoffman Amplifiers ForumOctober 23, 2025, 05:47:36 am | ||
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Stereo 5f2a build - TMB stack issue
Started by cusebassman |
19 Replies
6062 Views |
April 19, 2017, 06:16:02 pmby cusebassman |
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How do you check an output transformer
Started by TerryD |
7 Replies
2741 Views |
April 19, 2017, 05:06:47 pm by Bluemeany |
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Suggestions needed for new project
Started by frpax |
8 Replies
3042 Views |
April 19, 2017, 04:54:52 pm by SILVERGUN |
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New build eating power tubes
Started by GeorgeG |
24 Replies
5803 Views |
April 19, 2017, 01:59:00 pm by GeorgeG |
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13 Replies
3579 Views |
April 18, 2017, 12:13:44 pm by drgonzonm |
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MOVED: Davoli Krundal D8066 schematic ?
Started by Willabe |
0 Replies
1917 Views |
April 18, 2017, 08:47:10 am by Willabe |
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Hoffman 100W Plexi Power Supply Layout
Started by Ledzepp007 |
4 Replies
2370 Views |
April 17, 2017, 09:23:25 pm by sluckey |
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0 Replies
1642 Views |
April 17, 2017, 05:07:57 pm by Willabe |
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0 Replies
1929 Views |
April 17, 2017, 02:26:16 pm by Willabe |
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Help with Bias on a 68 Super Reverb
Started by TerryD |
4 Replies
2420 Views |
April 17, 2017, 10:00:45 am by TerryD |
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Adding a gain stage
Started by fossilshark |
21 Replies
11621 Views |
April 17, 2017, 08:13:01 am by Crate50watt |
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transformer help please
Started by jase128 |
4 Replies
2401 Views |
April 16, 2017, 06:11:56 pm by jase128 |
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Another go at this Tremolo.....
Started by TIMBO |
12 Replies
3175 Views |
April 16, 2017, 10:12:33 am by tubenit |
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23 Replies
5573 Views |
April 16, 2017, 09:08:35 am by jeff |
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EL34 tubes with 540v screen voltage
Started by chocopower |
34 Replies
11298 Views |
April 15, 2017, 08:16:10 pm by chocopower |
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Need more treble
Started by fossilshark |
4 Replies
2555 Views |
April 15, 2017, 04:02:05 pm by DummyLoad |
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5 Replies
8033 Views |
April 15, 2017, 01:10:53 am by smackoj |
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18w project
Started by jay_back_in_chicago « 1 2 » |
51 Replies
12695 Views |
April 14, 2017, 11:43:51 pm by Willabe |
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0 Replies
1598 Views |
April 14, 2017, 07:56:33 pm by Willabe |
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Fine tuning a 12ax7
Started by Colas LeGrippa |
9 Replies
3379 Views |
April 14, 2017, 04:13:15 pm by Colas LeGrippa |
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MOVED: Fulltone TTE pre-amp schematic?
Started by Willabe |
0 Replies
1701 Views |
April 13, 2017, 05:34:06 pm by Willabe |
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47 Replies
12111 Views |
April 12, 2017, 11:07:34 pm by jase128 |
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9 Replies
3553 Views |
April 12, 2017, 10:27:12 pm by HotBluePlates |
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Biasing cathode amp question
Started by dude |
13 Replies
5089 Views |
April 12, 2017, 06:11:44 pm by dude |
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8 Replies
6283 Views |
April 12, 2017, 08:38:45 am by GeorgeG |
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Plexi 50 Question
Started by taylorc315 |
3 Replies
2053 Views |
April 11, 2017, 11:06:58 pm by Ritchie200 |
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Question on Hoffman Deluxe Reverb build
Started by Joeriz |
5 Replies
2555 Views |
April 10, 2017, 07:11:41 pm by Tone Junkie |
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4 Replies
3036 Views |
April 10, 2017, 06:43:29 pm by smackoj |
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Power too low
Started by Leevi |
8 Replies
2531 Views |
April 10, 2017, 06:18:01 am by Leevi |
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OT for 6AQ5 in PP?
Started by fixitz |
3 Replies
2104 Views |
April 10, 2017, 01:55:23 am by fixitz |
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Tore-vibe, any downsides ?
Started by warioblast |
0 Replies
1790 Views |
April 09, 2017, 07:37:11 pm by warioblast |
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18 Replies
8746 Views |
April 08, 2017, 05:05:45 pm by frankenxtein |
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Stout TMB question
Started by bjsweek |
12 Replies
3857 Views |
April 08, 2017, 02:04:18 pm by purpletele |
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11 Replies
3828 Views |
April 08, 2017, 01:49:51 pm by dude |
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13 Replies
3884 Views |
April 08, 2017, 11:37:32 am by John |
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6 Replies
3495 Views |
April 08, 2017, 10:53:33 am by dude |
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Hello! Checking back in
Started by ratgon |
3 Replies
2343 Views |
April 08, 2017, 12:34:03 am by silverfox |
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Standby Switch
Started by TIMBO |
8 Replies
3633 Views |
April 07, 2017, 11:22:56 pm by TIMBO |
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5F2 A slight signal????
Started by Jerome |
31 Replies
5893 Views |
April 07, 2017, 06:00:03 pm by shooter |
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Vox AC10 SRT
Started by MacGwyn |
6 Replies
5213 Views |
April 07, 2017, 02:17:00 pm by MacGwyn |
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13 Replies
3887 Views |
April 07, 2017, 12:43:05 pm by jojokeo |
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24 Replies
5192 Views |
April 07, 2017, 04:56:23 am by tubenit |
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Fender Bias Cap
Started by Underwood |
3 Replies
2089 Views |
April 06, 2017, 05:26:21 pm by HotBluePlates |
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6L6 Champ (style) Build
Started by frankenxtein |
26 Replies
8627 Views |
April 05, 2017, 09:06:39 pm by frankenxtein |
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The sauce... The Marshall sauce...
Started by swandezvous |
14 Replies
4060 Views |
April 04, 2017, 03:48:04 pm by BetterOffShred |
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Plexi 50 build with tremolo problem
Started by RobBozic |
9 Replies
2847 Views |
April 03, 2017, 11:33:11 pm by sluckey |
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1987x OT Replacement - Much to be gained?
Started by Jaymz77 |
11 Replies
4070 Views |
April 03, 2017, 10:01:27 pm by Jaymz77 |
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NFB unhook UL Fender
Started by super&plexi |
1 Replies
1927 Views |
April 03, 2017, 02:01:52 pm by sluckey |
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isolating reverb jacks...
Started by hesamadman |
10 Replies
4574 Views |
April 02, 2017, 09:55:07 pm by Smooth |
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3 Replies
2827 Views |
April 02, 2017, 09:14:55 pm by 2deaf |
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