Welcome To the Hoffman Amplifiers Forum
September 06, 2025, 03:09:54 am
Welcome To the Hoffman Amplifiers ForumSeptember 06, 2025, 03:09:54 am | ||
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Schematic questions
Started by idontknowyou |
1 Replies
1805 Views |
May 25, 2024, 06:31:08 pmby sluckey |
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7 Replies
2845 Views |
May 24, 2024, 04:43:30 am by bullkelp |
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Tremolo Insertion point and NFB
Started by BrainDeadAmps |
3 Replies
1981 Views |
May 23, 2024, 10:50:18 pm by WimWalther |
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73 Replies
12929 Views |
May 23, 2024, 08:10:00 pm by uki |
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Troubleshooting a 5f2a build
Started by BadDave |
23 Replies
5240 Views |
May 23, 2024, 03:56:58 pm by sluckey |
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Question about Alamo Montclair
Started by AlNewman |
17 Replies
3931 Views |
May 23, 2024, 01:39:38 pm by AlNewman |
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PI wiring error question
Started by hiegdk |
6 Replies
2456 Views |
May 22, 2024, 10:24:48 pm by WimWalther |
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3 Replies
2096 Views |
May 22, 2024, 07:56:01 pm by Carlsoti |
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VTL5C1 replacement?
Started by ac427v |
13 Replies
4423 Views |
May 20, 2024, 05:13:08 pm by stratomaster |
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6 Replies
2778 Views |
May 20, 2024, 10:10:01 am by jordan86 |
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11 Replies
4292 Views |
May 20, 2024, 09:57:57 am by jordan86 |
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1 Replies
1719 Views |
May 19, 2024, 10:41:38 pm by sluckey |
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10 Replies
3273 Views |
May 19, 2024, 07:14:07 pm by kagliostro |
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10 Replies
3335 Views |
May 19, 2024, 06:38:37 pm by Carlsoti |
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3 Replies
1909 Views |
May 17, 2024, 09:33:14 pm by HotBluePlates |
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5879 operating conditions question
Started by dwinstonwood |
15 Replies
3784 Views |
May 17, 2024, 03:47:13 pm by dwinstonwood |
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1 Replies
1680 Views |
May 17, 2024, 05:59:06 am by Balticnoiseforge |
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Power tube grid bias and Tremolo
Started by J Rindt |
4 Replies
1950 Views |
May 15, 2024, 10:17:58 pm by J Rindt |
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Biasing an Ampeg SVT 3 Pro
Started by dpm309 |
4 Replies
2672 Views |
May 15, 2024, 06:13:38 pm by dpm309 |
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2 Replies
1812 Views |
May 15, 2024, 03:59:02 pm by kagliostro |
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Where / How to ground series heaters
Started by Jennings |
10 Replies
2888 Views |
May 15, 2024, 02:27:39 pm by Jennings |
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Half power switch in a fender 40w or AC30
Started by TonyM |
11 Replies
3228 Views |
May 15, 2024, 06:47:17 am by Latole |
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6G6 Bassman-ish Bias Issue
Started by Skeeter_pdx |
2 Replies
1715 Views |
May 15, 2024, 06:21:51 am by Dave |
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Heeeeelp with huuuuum
Started by isaac_teller |
28 Replies
5547 Views |
May 14, 2024, 12:57:04 pm by Latole |
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7 Replies
2479 Views |
May 14, 2024, 10:57:33 am by kagliostro |
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Gibson Thor mod help
Started by Natelc1979 |
3 Replies
1848 Views |
May 14, 2024, 07:21:13 am by idsnowdog |
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8 Replies
2753 Views |
May 13, 2024, 04:15:42 pm by nandrewjackson |
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2 Replies
1572 Views |
May 13, 2024, 03:54:04 pm by sluckey |
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3 tubes push pull
Started by Colas LeGrippa |
11 Replies
2833 Views |
May 13, 2024, 12:50:12 pm by pdf64 |
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1 Replies
1619 Views |
May 13, 2024, 12:14:17 pm by Balticnoiseforge |
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Musicman RD 100 2100 Cal Chassis
Started by plexi50 |
16 Replies
3615 Views |
May 13, 2024, 08:20:42 am by plexi50 |
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2 Replies
1895 Views |
May 12, 2024, 02:52:30 pm by Latole |
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6AU6 tremolo in Silvertone 1472
Started by smackoj |
6 Replies
2063 Views |
May 12, 2024, 02:27:13 pm by smackoj |
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5 Replies
2375 Views |
May 11, 2024, 03:12:02 pm by Latole |
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12 Replies
2478 Views |
May 10, 2024, 05:28:51 pm by stratomaster |
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Is this an EZ35 tube?
Started by kasperbergholt |
6 Replies
2121 Views |
May 10, 2024, 12:00:27 pm by mresistor |
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Can Anyone ID This Amp?
Started by vintasonic |
23 Replies
4507 Views |
May 10, 2024, 07:32:09 am by mresistor |
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Reverb makes a fog horn
Started by G._Hoffman |
16 Replies
3433 Views |
May 10, 2024, 06:35:08 am by tubeswell |
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Steve Luckey's dual lite U.S 2 x 6l6 build.
Started by TonyM |
1 Replies
1665 Views |
May 10, 2024, 12:23:07 am by sluckey |
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16 Replies
3206 Views |
May 09, 2024, 02:05:41 pm by sluckey |
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9 Replies
2603 Views |
May 09, 2024, 12:50:05 pm by pdf64 |
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7 Replies
2445 Views |
May 09, 2024, 12:02:45 pm by j-b-c |
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Univox ; fuse issue
Started by Latole |
1 Replies
1465 Views |
May 09, 2024, 05:49:14 am by Latole |
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Schematic for Vox AC15CC1 amplifier
Started by punkykatt |
6 Replies
7668 Views |
May 08, 2024, 03:16:37 pm by Latole |
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2-el84 cathode biased amp.
Started by MarkT |
4 Replies
1805 Views |
May 08, 2024, 02:51:50 pm by sluckey |
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6J7 filmosound conversion issues
Started by filmdiary |
0 Replies
1629 Views |
May 07, 2024, 08:53:59 pm by filmdiary |
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GU50 question
Started by Leevi |
8 Replies
2373 Views |
May 07, 2024, 08:50:07 pm by danhei |
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Bias tremolo in cathode biased amp
Started by roseblood11 |
26 Replies
5741 Views |
May 07, 2024, 08:48:29 am by Bieworm |
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4M volume pot
Started by Colas LeGrippa |
1 Replies
1331 Views |
May 07, 2024, 03:03:20 am by Latole |
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70’s Twin with conductive board
Started by Mark |
15 Replies
3246 Views |
May 06, 2024, 06:18:58 pm by Mark |
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