Welcome To the Hoffman Amplifiers Forum
October 23, 2025, 02:45:05 am
Welcome To the Hoffman Amplifiers ForumOctober 23, 2025, 02:45:05 am | ||
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How do I determine if my NFB is optimal?
Started by sstudley |
26 Replies
6848 Views |
September 16, 2019, 07:20:41 pmby sstudley |
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Stumped on a 5e3 proluxe
Started by newguitarsmell |
7 Replies
3517 Views |
September 16, 2019, 01:46:09 pm by PRR |
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3 Replies
3187 Views |
September 16, 2019, 12:17:58 am by st |
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6 Replies
2763 Views |
September 15, 2019, 06:44:11 pm by JGk |
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MOVED: 6BM8 reverb revisited
Started by tubenit |
0 Replies
1559 Views |
September 15, 2019, 05:33:23 pm by tubenit |
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4 Replies
2467 Views |
September 15, 2019, 11:17:25 am by CordovaNate |
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56 Replies
11852 Views |
September 13, 2019, 04:48:17 pm by shaun |
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Controlling brightness
Started by dude |
16 Replies
5672 Views |
September 13, 2019, 11:56:22 am by Williamblake |
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4 Replies
2996 Views |
September 12, 2019, 05:02:58 pm by TubeJunkie |
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Changing transformer on Mesa Boogie.
Started by Oddvar |
12 Replies
5246 Views |
September 12, 2019, 02:19:17 pm by Oddvar |
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8417 to 6L6
Started by rdrgtr |
6 Replies
7094 Views |
September 11, 2019, 01:50:16 pm by albinoguitman |
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23 Replies
9006 Views |
September 11, 2019, 04:33:55 am by kagliostro |
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3 Replies
2412 Views |
September 10, 2019, 06:08:45 pm by smackoj |
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capacitor voltages
Started by mlhuff |
4 Replies
4379 Views |
September 09, 2019, 01:25:10 pm by jjasilli |
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26 Replies
8430 Views |
September 09, 2019, 09:17:46 am by jjasilli |
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11 Replies
3894 Views |
September 08, 2019, 01:51:31 pm by Colas LeGrippa |
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Identifying voltage transformer
Started by Oddvar |
2 Replies
1797 Views |
September 07, 2019, 04:56:11 am by Oddvar |
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Carolina Songbird schematic?
Started by Joe6v6 |
7 Replies
2861 Views |
September 06, 2019, 09:06:46 pm by Joe6v6 |
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39 Replies
6763 Views |
September 06, 2019, 04:57:51 pm by Tony Bones |
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Hammond AO-29 Chassis
Started by Texson |
12 Replies
5378 Views |
September 06, 2019, 10:26:12 am by vampwizzard |
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Help with Chinese 5F6-A Kit
Started by sstudley |
17 Replies
4623 Views |
September 05, 2019, 09:50:23 pm by vampwizzard |
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Grounding multiple channels.
Started by Captain chunkulus |
12 Replies
3708 Views |
September 05, 2019, 01:18:25 pm by dude |
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12 Replies
4719 Views |
September 04, 2019, 07:58:08 am by 1blueheron |
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Hum debugging on a Trinity TC15 build
Started by repoman |
10 Replies
3891 Views |
September 04, 2019, 12:34:10 am by st |
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12au7 load line
Started by labb |
27 Replies
10522 Views |
September 03, 2019, 07:01:13 pm by labb |
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Fender Blues Junior
Started by rczcustom |
4 Replies
1957 Views |
September 03, 2019, 06:05:23 pm by shooter |
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4 Replies
2443 Views |
September 03, 2019, 08:19:07 am by turtle441 |
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1 Replies
1804 Views |
September 02, 2019, 10:33:49 pm by PRR |
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Soldano x88r clone build.
Started by Captain chunkulus |
34 Replies
11803 Views |
September 02, 2019, 11:22:45 am by Captain chunkulus |
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Reverb for Blues Jr conversion
Started by Tbone55 |
3 Replies
1923 Views |
August 30, 2019, 09:10:21 am by shooter |
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Looking to build a Modified 5F6A
Started by jgoodner |
2 Replies
1769 Views |
August 30, 2019, 08:24:52 am by jgoodner |
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Impedance/power tube question
Started by Diverted |
13 Replies
3679 Views |
August 30, 2019, 12:08:07 am by DummyLoad |
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Standby Grounding Issue
Started by ululufut |
17 Replies
4045 Views |
August 29, 2019, 08:09:57 pm by sluckey |
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Transformer Upgrade for Blues Jr.
Started by Tbone55 |
4 Replies
3698 Views |
August 29, 2019, 05:57:29 pm by Tony Bones |
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Capacitor Question
Started by 5string |
9 Replies
4968 Views |
August 29, 2019, 03:57:27 pm by Ed_Chambley |
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15 Replies
4166 Views |
August 29, 2019, 08:14:19 am by ululufut |
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What shielded wire's best?
Started by Diverted |
6 Replies
3566 Views |
August 28, 2019, 08:00:58 am by Diverted |
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Roast my preamp
Started by ECV02 |
10 Replies
4284 Views |
August 27, 2019, 09:19:36 pm by PRR |
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6AQ5 SE amp build from Ampro parts
Started by shaun |
15 Replies
11145 Views |
August 27, 2019, 07:10:03 pm by shaun |
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5 Replies
2658 Views |
August 27, 2019, 12:00:29 pm by jonyoungyi |
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Transformer for Trainwreck
Started by Oddvar |
7 Replies
5109 Views |
August 26, 2019, 09:51:47 am by MFowler |
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Dialing in a 5e5a build
Started by etneccas |
2 Replies
1695 Views |
August 26, 2019, 07:14:59 am by etneccas |
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2 Replies
1839 Views |
August 25, 2019, 07:04:07 pm by MFowler |
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65 PRRI - Ye Olde Noise Thread
Started by fdesalvo |
3 Replies
2101 Views |
August 23, 2019, 03:21:07 pm by fdesalvo |
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14 Replies
5596 Views |
August 22, 2019, 03:46:02 pm by shooter |
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Princeton Reverb Build Issue
Started by aabbs20 |
11 Replies
3350 Views |
August 22, 2019, 02:02:25 pm by shooter |
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Westinghouse model 604 radio
Started by Colas LeGrippa |
12 Replies
3199 Views |
August 22, 2019, 12:55:59 pm by PRR |
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Problems with my Tweed Deluxe 5E3 rebuild
Started by Mike_J |
39 Replies
7139 Views |
August 22, 2019, 09:58:28 am by Mike_J |
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Dinged output transformer
Started by Fiat_cc |
5 Replies
2256 Views |
August 21, 2019, 08:17:30 pm by PRR |
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Odd Amp Repair
Started by JKRamsey1991 |
5 Replies
2567 Views |
August 21, 2019, 07:15:16 pm by jim |
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