Welcome To the Hoffman Amplifiers Forum
January 23, 2026, 09:55:33 pm
Welcome To the Hoffman Amplifiers ForumJanuary 23, 2026, 09:55:33 pm | ||
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| 0 Members and 54 Guests are viewing this board. | ||||
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Transformer Selection Question
Started by Kaaskop |
0 Replies
1987 Views |
March 29, 2022, 09:13:27 pmby Kaaskop |
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6EU7 tube in a guitar amp?
Started by AmberB |
10 Replies
5116 Views |
March 29, 2022, 08:48:03 pm by HotBluePlates |
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Tube amp and line regulation
Started by pbman1953 |
4 Replies
2467 Views |
March 29, 2022, 08:27:10 pm by HotBluePlates |
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17 Replies
5061 Views |
March 29, 2022, 03:32:08 pm by tubeswell |
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Interesting You Tube channels
Started by Electron Tornado |
1 Replies
2002 Views |
March 29, 2022, 05:00:14 am by lantertronics |
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55 Replies
14161 Views |
March 28, 2022, 10:23:53 pm by jamaio |
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5U4M/5C4M Rectifiers
Started by 72Blazer |
12 Replies
4831 Views |
March 27, 2022, 08:08:42 pm by mresistor |
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Pro Reverb that says it's a Twin?
Started by JB |
8 Replies
2788 Views |
March 27, 2022, 11:45:22 am by JB |
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Vibration Induced bias runaway?
Started by Dyerseve726 |
16 Replies
5123 Views |
March 26, 2022, 01:52:29 pm by shooter |
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Where to get good TUBES
Started by schturlan |
30 Replies
7039 Views |
March 26, 2022, 10:01:42 am by j_bruce |
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Common cathode preamp stages
Started by lantertronics |
0 Replies
2243 Views |
March 26, 2022, 03:05:26 am by lantertronics |
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Parallel 6.3V wiring (6922)
Started by dwinstonwood |
12 Replies
4648 Views |
March 25, 2022, 11:16:39 am by dwinstonwood |
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Supro 6606 Build - Sluckey Layout
Started by ebulakowski |
3 Replies
2439 Views |
March 25, 2022, 11:00:42 am by ebulakowski |
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PI tube type concerns.
Started by joesatch |
4 Replies
2339 Views |
March 25, 2022, 10:22:52 am by joesatch |
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6 Replies
2537 Views |
March 25, 2022, 02:56:27 am by kagliostro |
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2 Replies
2049 Views |
March 25, 2022, 02:47:45 am by kagliostro |
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Adding electrolytic in series...
Started by Stuff4bikes |
8 Replies
3204 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
6305 Views |
March 24, 2022, 01:47:16 pm by kagliostro |
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7 Replies
3279 Views |
March 24, 2022, 09:53:46 am by PharmRock |
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Buying power transformers
Started by AmberB |
20 Replies
6532 Views |
March 23, 2022, 10:21:03 pm by ok_state_blues |
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Ampeg B15S Buzz
Started by sjwood3 |
15 Replies
5077 Views |
March 23, 2022, 09:50:52 pm by AmberB |
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Repurpose Peavey PT
Started by joesatch |
11 Replies
3493 Views |
March 23, 2022, 03:04:10 pm by joesatch |
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Power transformer "custom" wiring
Started by Marc |
2 Replies
2362 Views |
March 23, 2022, 08:12:57 am by Marc |
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5 Replies
3729 Views |
March 23, 2022, 06:46:12 am by shooter |
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Blues Jr. Dummy Load
Started by dpm309 |
5 Replies
4132 Views |
March 22, 2022, 10:06:25 pm by acheld |
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70 Replies
28803 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
10137 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
2967 Views |
March 22, 2022, 08:12:10 am by markmalin |
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22 Replies
8740 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
12268 Views |
March 21, 2022, 11:30:30 am by liddokun |
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60 cycle hum
Started by Bieworm |
19 Replies
6122 Views |
March 21, 2022, 10:42:35 am by Bieworm |
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6 Replies
2807 Views |
March 20, 2022, 07:56:47 pm by Backwoods Joe |
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Ampeg Reverberocket Reissue Mods
Started by davidb |
2 Replies
2513 Views |
March 20, 2022, 05:29:17 pm by davidb |
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6 Replies
2450 Views |
March 20, 2022, 01:36:33 pm by smackoj |
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Fender solid state Harvard combo
Started by phsyconoodler |
18 Replies
8962 Views |
March 20, 2022, 03:18:35 am by Latole |
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Blues Jr. Converted to AC15
Started by jamaio |
2 Replies
2232 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
3408 Views |
March 19, 2022, 04:44:17 pm by uki |
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0A2
Started by Stuff4bikes |
1 Replies
2046 Views |
March 19, 2022, 10:51:57 am by sluckey |
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Unusual tube query
Started by isaac_teller |
2 Replies
2225 Views |
March 19, 2022, 08:56:11 am by isaac_teller |
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Supertwin help needed
Started by howardmoon |
19 Replies
5167 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
5399 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
3106 Views |
March 18, 2022, 12:16:23 am by Dyerseve726 |
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Old Timey 6K6 build
Started by bmccowan |
17 Replies
5016 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
2711 Views |
March 17, 2022, 07:55:52 am by pdf64 |
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Enclosed VS Open Frame choke
Started by Jonas |
6 Replies
3057 Views |
March 16, 2022, 09:18:06 pm by tubeswell |
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Sovtek MIG100H elusive hum
Started by luis.castillo |
5 Replies
2987 Views |
March 16, 2022, 01:12:06 pm by luis.castillo |
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28 Replies
7335 Views |
March 16, 2022, 10:50:24 am by Soulfetish |
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16 Replies
4801 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
4338 Views |
March 16, 2022, 10:03:52 am by Latole |
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Bias supply resistor question.
Started by joesatch |
1 Replies
2093 Views |
March 16, 2022, 02:54:15 am by sluckey |
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