Welcome To the Hoffman Amplifiers Forum
October 23, 2025, 08:07:57 pm
Welcome To the Hoffman Amplifiers ForumOctober 23, 2025, 08:07:57 pm | ||
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Need help with fresh build....
Started by SILVERGUN |
26 Replies
7101 Views |
July 18, 2012, 02:34:51 pmby SILVERGUN |
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8 Replies
5555 Views |
July 18, 2012, 08:35:32 am by kagliostro |
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13 Replies
9660 Views |
July 17, 2012, 11:24:48 pm by Quatro |
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3 Replies
3527 Views |
July 17, 2012, 03:42:00 pm by sluckey |
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Fender Super Twin Reverb Ugly distortion....
Started by BigE |
2 Replies
2884 Views |
July 17, 2012, 06:12:41 am by LooseChange |
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Why do power tubes degrade?
Started by spacelabstudio |
17 Replies
7645 Views |
July 16, 2012, 10:02:32 pm by jjasilli |
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MOVED: UNBELIEVABLE? I say NO!
Started by tubenit |
0 Replies
1919 Views |
July 16, 2012, 05:32:24 pm by tubenit |
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Power supply for battery amp
Started by Leevi |
2 Replies
2231 Views |
July 16, 2012, 03:00:37 pm by Leevi |
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11 Replies
11853 Views |
July 15, 2012, 09:42:32 pm by Ed_Chambley |
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Single Ended EL84 Ideas
Started by gtrbryan |
2 Replies
8168 Views |
July 15, 2012, 09:16:54 pm by John |
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60hz hum in Ampeg SVP preamp
Started by six el six |
5 Replies
5055 Views |
July 15, 2012, 07:57:37 pm by six el six |
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here is my latest build
Started by phsyconoodler |
14 Replies
4383 Views |
July 15, 2012, 06:57:05 pm by stingray_65 |
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.1 Cap for presence .
Started by Tone Junkie |
4 Replies
3031 Views |
July 15, 2012, 01:53:03 pm by Tone Junkie |
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6AU6 screen fed by voltage divider?
Started by jeff |
17 Replies
8213 Views |
July 14, 2012, 04:23:23 pm by jeff |
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7 Replies
6083 Views |
July 14, 2012, 12:18:08 am by m2dad |
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HAMMOND 1640 SEA
Started by Colas LeGrippa |
8 Replies
3675 Views |
July 13, 2012, 10:35:01 am by Colas LeGrippa |
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70's Sonic (pa) Bass amp
Started by bbirling |
4 Replies
3163 Views |
July 12, 2012, 05:19:35 pm by HotBluePlates |
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5Y3 rectifiers on a hombrew jcm 800 2204
Started by garyboy |
2 Replies
2613 Views |
July 12, 2012, 01:13:09 pm by garyboy |
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5 Replies
3558 Views |
July 12, 2012, 12:36:10 am by olgoat |
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help needed with pt
Started by Bugman3183 |
16 Replies
5331 Views |
July 11, 2012, 10:26:02 pm by HotBluePlates |
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Filter Cap Resistors
Started by bakerlite |
4 Replies
2854 Views |
July 11, 2012, 10:18:33 pm by HotBluePlates |
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Tubes for Fender Vibrato / Tremolo
Started by mresistor |
3 Replies
2268 Views |
July 11, 2012, 10:14:23 pm by HotBluePlates |
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Question about filaments grounding
Started by mresistor |
9 Replies
5032 Views |
July 11, 2012, 09:58:58 pm by HotBluePlates |
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high voltages on input tubes
Started by ElliottKoch |
15 Replies
4518 Views |
July 11, 2012, 09:47:40 pm by ElliottKoch |
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PT and OT wiring question. Best practices.
Started by olgoat |
6 Replies
3392 Views |
July 11, 2012, 08:23:12 pm by jojokeo |
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Voltage on AB763 tremelo tube
Started by six el six |
3 Replies
2172 Views |
July 11, 2012, 04:15:55 pm by six el six |
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10 Replies
3952 Views |
July 11, 2012, 03:57:27 pm by Willabe |
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11 Replies
4327 Views |
July 11, 2012, 10:32:10 am by mresistor |
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4 Replies
3771 Views |
July 10, 2012, 04:50:27 pm by DummyLoad |
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Recapping high voltage amps
Started by spacelabstudio |
21 Replies
6092 Views |
July 09, 2012, 09:20:39 pm by spacelabstudio |
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weird problem.....
Started by billcreller |
14 Replies
5164 Views |
July 09, 2012, 09:03:13 pm by PRR |
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17 Replies
5830 Views |
July 09, 2012, 04:58:43 pm by proaudioguy |
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7 Replies
3143 Views |
July 09, 2012, 05:35:36 am by LooseChange |
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Ampeg J-20 Bias
Started by Leevi |
3 Replies
3347 Views |
July 07, 2012, 04:08:18 pm by HotBluePlates |
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Orange drop caps 716P/715P
Started by jeff |
7 Replies
12801 Views |
July 07, 2012, 10:39:55 am by stingray_65 |
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Broken Guide Pins
Started by Ed_Chambley |
7 Replies
3498 Views |
July 07, 2012, 08:28:11 am by Ed_Chambley |
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Mixed tube set in SE amp
Started by Leevi |
6 Replies
3538 Views |
July 07, 2012, 04:20:13 am by birt |
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2 Replies
2501 Views |
July 07, 2012, 12:58:57 am by kagliostro |
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12 Replies
9537 Views |
July 06, 2012, 09:01:06 pm by fdesalvo |
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19 Replies
11901 Views |
July 06, 2012, 03:27:43 pm by TIMBO |
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13 Replies
13849 Views |
July 06, 2012, 10:19:52 am by gordwait |
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Sano Supernove
Started by LooseChange |
8 Replies
4067 Views |
July 06, 2012, 08:43:26 am by DummyLoad |
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5 Replies
8944 Views |
July 06, 2012, 12:51:13 am by PRR |
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18 Watt Stout Layout TMB
Started by Ed_Chambley |
24 Replies
14975 Views |
July 05, 2012, 10:41:00 pm by Ed_Chambley |
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Oscilliscope Question
Started by Davidg |
7 Replies
3283 Views |
July 05, 2012, 08:51:16 pm by PRR |
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Multitap output transformer for 5E3
Started by olgoat |
3 Replies
2583 Views |
July 05, 2012, 05:58:55 pm by DummyLoad |
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OT and understanding
Started by Ed_Chambley « 1 2 » |
55 Replies
16768 Views |
July 05, 2012, 04:45:00 pm by HotBluePlates |
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mods for ac15c1
Started by neon333 |
5 Replies
8111 Views |
July 05, 2012, 04:37:15 pm by HotBluePlates |
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Line Out DI FOH etc
Started by J Rindt |
4 Replies
2494 Views |
July 05, 2012, 12:15:51 pm by stingray_65 |
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5E3 Power tansformer
Started by Leevi |
5 Replies
3170 Views |
July 05, 2012, 08:46:00 am by Leevi |
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