Welcome To the Hoffman Amplifiers Forum
October 22, 2025, 05:50:09 pm
Welcome To the Hoffman Amplifiers ForumOctober 22, 2025, 05:50:09 pm | ||
| Subject / Started by | Replies / Views | Last post  |
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| SEL49 and 75 Guests are viewing this board. | ||||
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Parallel 6.3V wiring (6922)
Started by dwinstonwood |
12 Replies
3704 Views |
March 25, 2022, 11:16:39 amby dwinstonwood |
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Supro 6606 Build - Sluckey Layout
Started by ebulakowski |
3 Replies
1991 Views |
March 25, 2022, 11:00:42 am by ebulakowski |
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PI tube type concerns.
Started by joesatch |
4 Replies
1943 Views |
March 25, 2022, 10:22:52 am by joesatch |
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6 Replies
2158 Views |
March 25, 2022, 02:56:27 am by kagliostro |
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2 Replies
1679 Views |
March 25, 2022, 02:47:45 am by kagliostro |
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Adding electrolytic in series...
Started by Stuff4bikes |
8 Replies
2684 Views |
March 24, 2022, 08:21:25 pm by Stuff4bikes |
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PA amp to guitar amp convertion.
Started by distortionhead |
23 Replies
5284 Views |
March 24, 2022, 01:47:16 pm by kagliostro |
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7 Replies
2723 Views |
March 24, 2022, 09:53:46 am by PharmRock |
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Buying power transformers
Started by AmberB |
20 Replies
5431 Views |
March 23, 2022, 10:21:03 pm by ok_state_blues |
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Ampeg B15S Buzz
Started by sjwood3 |
15 Replies
4208 Views |
March 23, 2022, 09:50:52 pm by AmberB |
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Repurpose Peavey PT
Started by joesatch |
11 Replies
2854 Views |
March 23, 2022, 03:04:10 pm by joesatch |
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Power transformer "custom" wiring
Started by Marc |
2 Replies
1930 Views |
March 23, 2022, 08:12:57 am by Marc |
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5 Replies
3204 Views |
March 23, 2022, 06:46:12 am by shooter |
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Blues Jr. Dummy Load
Started by dpm309 |
5 Replies
3638 Views |
March 22, 2022, 10:06:25 pm by acheld |
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70 Replies
26265 Views |
March 22, 2022, 07:59:06 pm by HotBluePlates |
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Mojotone 5E5-A "Pro Amp" Bias Questions
Started by 72Blazer |
47 Replies
8093 Views |
March 22, 2022, 07:50:58 pm by HotBluePlates |
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120 VAC power amp, 240 VAC preamp?
Started by markmalin |
8 Replies
2493 Views |
March 22, 2022, 08:12:10 am by markmalin |
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22 Replies
7421 Views |
March 21, 2022, 08:09:11 pm by HotBluePlates |
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Suggestions for a low watt amp
Started by liddokun |
39 Replies
10777 Views |
March 21, 2022, 11:30:30 am by liddokun |
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60 cycle hum
Started by Bieworm |
19 Replies
4970 Views |
March 21, 2022, 10:42:35 am by Bieworm |
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6 Replies
2366 Views |
March 20, 2022, 07:56:47 pm by Backwoods Joe |
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Ampeg Reverberocket Reissue Mods
Started by davidb |
2 Replies
2071 Views |
March 20, 2022, 05:29:17 pm by davidb |
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6 Replies
2073 Views |
March 20, 2022, 01:36:33 pm by smackoj |
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Fender solid state Harvard combo
Started by phsyconoodler |
18 Replies
8070 Views |
March 20, 2022, 03:18:35 am by Latole |
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Blues Jr. Converted to AC15
Started by jamaio |
2 Replies
1837 Views |
March 19, 2022, 05:18:31 pm by jamaio |
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First time I’ve seen this
Started by Blueboozer |
10 Replies
2836 Views |
March 19, 2022, 04:44:17 pm by uki |
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0A2
Started by Stuff4bikes |
1 Replies
1688 Views |
March 19, 2022, 10:51:57 am by sluckey |
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Unusual tube query
Started by isaac_teller |
2 Replies
1794 Views |
March 19, 2022, 08:56:11 am by isaac_teller |
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Supertwin help needed
Started by howardmoon |
19 Replies
4355 Views |
March 18, 2022, 09:32:25 pm by howardmoon |
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power tube 1 ohm to ground confusion
Started by joesatch |
16 Replies
4512 Views |
March 18, 2022, 06:16:44 pm by Dyerseve726 |
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Build suggestions for a W02273 PT
Started by 72Blazer |
6 Replies
2576 Views |
March 18, 2022, 12:16:23 am by Dyerseve726 |
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Old Timey 6K6 build
Started by bmccowan |
17 Replies
4133 Views |
March 17, 2022, 11:49:32 am by bmccowan |
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How to Bias Fender PA 100 / Twin
Started by TerryD |
2 Replies
2181 Views |
March 17, 2022, 07:55:52 am by pdf64 |
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Enclosed VS Open Frame choke
Started by Jonas |
6 Replies
2408 Views |
March 16, 2022, 09:18:06 pm by tubeswell |
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Sovtek MIG100H elusive hum
Started by luis.castillo |
5 Replies
2355 Views |
March 16, 2022, 01:12:06 pm by luis.castillo |
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28 Replies
5856 Views |
March 16, 2022, 10:50:24 am by Soulfetish |
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16 Replies
3908 Views |
March 16, 2022, 10:49:01 am by pdf64 |
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Marshall Haze 40 Intermittent Volume Drop
Started by Travis8 |
10 Replies
3523 Views |
March 16, 2022, 10:03:52 am by Latole |
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Bias supply resistor question.
Started by joesatch |
1 Replies
1673 Views |
March 16, 2022, 02:54:15 am by sluckey |
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Do I have a problem?
Started by dbishopbliss |
5 Replies
2351 Views |
March 15, 2022, 07:36:39 pm by glass54 |
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15 Replies
4067 Views |
March 15, 2022, 04:53:22 pm by kagliostro |
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12 Replies
3727 Views |
March 14, 2022, 11:39:58 am by dwinstonwood |
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Filter cans and Hammond AO-43 chassis
Started by dude |
4 Replies
1932 Views |
March 14, 2022, 10:36:32 am by dude |
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Cathode biasing technique
Started by Voxbox |
21 Replies
4519 Views |
March 13, 2022, 12:39:32 pm by HotBluePlates |
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5E3 Dumble Mods
Started by dpm309 |
3 Replies
2743 Views |
March 13, 2022, 10:09:35 am by Madjackhatter |
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Something New
Started by TIMBO |
3 Replies
1790 Views |
March 13, 2022, 01:55:02 am by kagliostro |
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12 Replies
3901 Views |
March 12, 2022, 12:19:37 pm by fkitch |
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Princeton Reverb build trem problem
Started by punkykatt |
9 Replies
2391 Views |
March 12, 2022, 04:26:34 am by punkykatt |
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22 Replies
17661 Views |
March 12, 2022, 02:35:04 am by frankk |
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10 Replies
2881 Views |
March 11, 2022, 09:16:04 pm by sluckey |
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