Welcome To the Hoffman Amplifiers Forum
May 29, 2026, 11:22:28 pm
Welcome To the Hoffman Amplifiers ForumMay 29, 2026, 11:22:28 pm | ||
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Please do not use VPN's
Started by EL34 |
48 Replies
18549 Views |
February 26, 2026, 11:41:16 amby Greenwichpaul |
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ALL-TIME great information
Started by PRR |
0 Replies
55498 Views |
April 16, 2018, 08:09:37 pm by PRR |
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1 Replies
62568 Views |
October 30, 2015, 01:24:25 pm by EL34 |
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What's this board for?
Started by EL34 |
0 Replies
40747 Views |
May 28, 2009, 04:14:29 pm by EL34 |
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Princeton Reverb circuit refinements
Started by tristanc |
34 Replies
10477 Views |
May 29, 2026, 09:20:43 pm by johnfromcyrene |
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JCM800 2204 diagram review
Started by a90s2cs |
12 Replies
33723 Views |
May 29, 2026, 07:52:33 pm by Mongrel714 |
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Oscilloscope question
Started by Banjan73 |
4 Replies
54 Views |
May 29, 2026, 06:45:07 pm by Banjan73 |
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31 Replies
8157 Views |
May 29, 2026, 06:10:04 pm by AX84CH |
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First amp build
Started by Mongrel714 |
6 Replies
206 Views |
May 29, 2026, 11:52:03 am by Mongrel714 |
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silvertone 1484
Started by johnfromcyrene |
2 Replies
101 Views |
May 29, 2026, 01:40:41 am by johnfromcyrene |
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Ampeg SB-12 inspired amp
Started by Banjan73 |
8 Replies
1805 Views |
May 28, 2026, 08:06:44 pm by Banjan73 |
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Selling amps question
Started by Blooze |
7 Replies
220 Views |
May 28, 2026, 01:23:04 pm by bmccowan |
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0 Replies
76 Views |
May 28, 2026, 08:50:31 am by strangbangthang |
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17 Replies
6108 Views |
May 28, 2026, 08:45:32 am by strangbangthang |
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54 Replies
12515 Views |
May 28, 2026, 08:17:55 am by shooter |
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help with classic 30 mod please
Started by 12AX7 |
49 Replies
7958 Views |
May 27, 2026, 11:40:56 pm by 12AX7 |
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4 Replies
102 Views |
May 27, 2026, 07:06:45 pm by glass54 |
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12 Replies
464 Views |
May 27, 2026, 08:16:11 am by passaloutre |
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8 Replies
287 Views |
May 27, 2026, 07:46:47 am by JPK |
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5 Replies
216 Views |
May 25, 2026, 12:14:26 pm by Yosser |
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Selmer Zodiac Twin 30
Started by johnfromcyrene |
43 Replies
3352 Views |
May 24, 2026, 08:50:33 am by sluckey |
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20 Replies
11793 Views |
May 23, 2026, 09:18:30 am by Lectroid |
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9 Replies
4188 Views |
May 23, 2026, 07:11:42 am by pbman1953 |
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5f2a reverb design
Started by tomojt |
3 Replies
280 Views |
May 22, 2026, 11:35:54 am by kagliostro |
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EH-150/185 build complete
Started by Jerry garrcia |
2 Replies
3433 Views |
May 22, 2026, 05:53:41 am by tomojt |
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Octave down effect with tubes
Started by Lauri |
27 Replies
8883 Views |
May 22, 2026, 05:08:20 am by Lauri |
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AC30 TremVib Issue
Started by inapier |
2 Replies
278 Views |
May 20, 2026, 01:47:17 pm by inapier |
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3 Replies
379 Views |
May 19, 2026, 12:31:25 am by AlNewman |
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Tube rectifier formula
Started by Yosser |
7 Replies
1229 Views |
May 18, 2026, 11:18:29 am by Merlin |
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AC15 C1 modifications?
Started by leonc |
3 Replies
361 Views |
May 16, 2026, 01:55:46 pm by sluckey |
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Tremolo still Ticking
Started by JustMike |
12 Replies
8260 Views |
May 15, 2026, 06:47:12 am by Fozziemusic |
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Backup diodes on a gz34 rectifier
Started by Yosser |
6 Replies
1655 Views |
May 15, 2026, 05:12:10 am by Yosser |
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67 Replies
9468 Views |
May 12, 2026, 12:45:39 pm by wsscott |
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0 Replies
1100 Views |
May 10, 2026, 06:43:33 pm by 12AX7 |
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Bias question
Started by 12AX7 |
24 Replies
4351 Views |
May 09, 2026, 03:26:43 pm by 12AX7 |
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Trem-O-Nator snags
Started by peacocksuit |
9 Replies
2518 Views |
May 08, 2026, 03:02:13 pm by peacocksuit |
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4 Replies
1611 Views |
May 06, 2026, 07:59:50 am by MORE_Guitar_Solos |
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Classic 30 tone mod
Started by 12AX7 |
2 Replies
1405 Views |
May 05, 2026, 07:54:54 pm by 12AX7 |
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Super 6G4A speed Pot
Started by sam |
2 Replies
1480 Views |
May 03, 2026, 05:17:06 pm by sam |
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Tube Preamp SMPS
Started by DummyLoad |
2 Replies
1610 Views |
May 03, 2026, 02:17:54 pm by DummyLoad |
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1 Replies
1294 Views |
May 03, 2026, 11:06:37 am by Yosser |
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AO-35 Schematics
Started by Texson |
7 Replies
2971 Views |
May 03, 2026, 10:18:24 am by dude |
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11 Replies
2849 Views |
May 02, 2026, 10:49:16 am by Colas LeGrippa |
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Mesa tc-50 questions
Started by Beezerboy |
3 Replies
1616 Views |
May 01, 2026, 07:52:20 pm by jim |
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10 Replies
8834 Views |
May 01, 2026, 03:03:07 am by Digsby |
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3 Replies
1674 Views |
April 30, 2026, 01:14:36 am by pdf64 |
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96 Replies
19059 Views |
April 27, 2026, 03:27:43 pm by Platefire |
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21 Replies
8022 Views |
April 27, 2026, 01:35:51 pm by sluckey |
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A Question about system design
Started by pbman1953 |
8 Replies
3452 Views |
April 27, 2026, 08:05:51 am by wsscott |
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4 Replies
1929 Views |
April 24, 2026, 10:38:32 am by pbman1953 |
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