Welcome To the Hoffman Amplifiers Forum
July 14, 2026, 11:55:03 am
Welcome To the Hoffman Amplifiers ForumJuly 14, 2026, 11:55:03 am | ||
| Subject / Started by | Replies / Views | Last post  |
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| 0 Members and 68 Guests are viewing this board. | ||||
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Sound city 120 h.t. Fuse blown
Started by mattiambro |
21 Replies
8917 Views |
April 08, 2022, 04:46:39 pmby IndustryCode783401 |
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Reverb Transformer Question
Started by CascoSieg |
5 Replies
4482 Views |
April 08, 2022, 12:23:56 pm by CascoSieg |
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0 Replies
5033 Views |
April 08, 2022, 11:01:32 am by soapfoot |
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need help finding a pot
Started by joesatch |
23 Replies
8149 Views |
April 08, 2022, 10:04:36 am by bmccowan |
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2 Replies
5084 Views |
April 08, 2022, 02:57:15 am by NoDough |
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3 Replies
3728 Views |
April 08, 2022, 02:53:33 am by NoDough |
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A few random questions...
Started by Stuff4bikes |
7 Replies
5280 Views |
April 06, 2022, 01:57:37 pm by shooter |
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Bugera V22 power transformer specs
Started by mk_716 |
6 Replies
5105 Views |
April 06, 2022, 12:26:42 pm by mk_716 |
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Scaled-Down Bluesbreaker
Started by hawkes1962 |
27 Replies
11975 Views |
April 06, 2022, 11:13:25 am by hawkes1962 |
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Supertwin bias question
Started by howardmoon |
2 Replies
4043 Views |
April 06, 2022, 11:04:20 am by howardmoon |
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A Little Trem-O-Nator Help?
Started by Lectroid |
49 Replies
15638 Views |
April 05, 2022, 04:31:29 pm by Lectroid |
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18 Replies
11558 Views |
April 05, 2022, 03:04:35 pm by Rontone |
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13 Replies
6273 Views |
April 05, 2022, 01:11:01 pm by shooter |
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7 Replies
7950 Views |
April 05, 2022, 10:17:37 am by PharmRock |
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I'm getting a light shock
Started by pbman1953 |
26 Replies
8474 Views |
April 04, 2022, 10:02:13 pm by PRR |
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Fender Deluxe Output Transformer testing
Started by fritz203 |
14 Replies
7086 Views |
April 04, 2022, 03:40:11 pm by fritz203 |
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2 Replies
3555 Views |
April 04, 2022, 03:27:46 pm by fdesalvo |
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Princeton Reverb NFB resistor issue
Started by teletaylor |
4 Replies
3899 Views |
April 04, 2022, 01:49:22 pm by PRR |
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18 Replies
10501 Views |
April 04, 2022, 12:12:29 pm by pdf64 |
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Boost switch on AB763
Started by dude |
4 Replies
3583 Views |
April 03, 2022, 03:05:54 pm by dude |
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7 Replies
4762 Views |
April 03, 2022, 01:20:23 pm by shooter |
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Blues JR Versions vs schematics
Started by Nathan |
10 Replies
6027 Views |
April 03, 2022, 06:49:55 am by pdf64 |
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IERC tube shields
Started by PharmRock |
1 Replies
3096 Views |
April 02, 2022, 12:15:56 pm by sluckey |
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19 Replies
7439 Views |
April 02, 2022, 01:16:33 am by SoundmasterG |
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Dual bias mod question
Started by joesatch |
8 Replies
5726 Views |
April 01, 2022, 12:27:05 pm by astronomicum |
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6V6 20 watt OT
Started by Kaaskop |
20 Replies
10411 Views |
March 31, 2022, 05:21:35 pm by Kaaskop |
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Trem Injection
Started by Sonny ReVerb |
3 Replies
3283 Views |
March 31, 2022, 09:16:09 am by Sonny ReVerb |
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5 Replies
4204 Views |
March 31, 2022, 08:00:13 am by sluckey |
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Can i run DC heaters with this?
Started by joesatch |
18 Replies
6987 Views |
March 30, 2022, 04:50:41 pm by PRR |
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Supro Coronado Build
Started by craigtone |
7 Replies
4189 Views |
March 30, 2022, 01:49:57 pm by craigtone |
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70s Twin Reverb - Unusual noise
Started by falconer333 |
2 Replies
3328 Views |
March 30, 2022, 07:30:02 am by Latole |
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Lectures on cathode followers
Started by lantertronics |
1 Replies
3087 Views |
March 30, 2022, 12:45:36 am by Electron Tornado |
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213 Troubadour Voltages
Started by svejkist |
3 Replies
3471 Views |
March 29, 2022, 09:45:40 pm by svejkist |
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Transformer Selection Question
Started by Kaaskop |
0 Replies
3638 Views |
March 29, 2022, 09:13:27 pm by Kaaskop |
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6EU7 tube in a guitar amp?
Started by AmberB |
10 Replies
6999 Views |
March 29, 2022, 08:48:03 pm by HotBluePlates |
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Tube amp and line regulation
Started by pbman1953 |
4 Replies
3790 Views |
March 29, 2022, 08:27:10 pm by HotBluePlates |
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17 Replies
7303 Views |
March 29, 2022, 03:32:08 pm by tubeswell |
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Interesting You Tube channels
Started by Electron Tornado |
1 Replies
3133 Views |
March 29, 2022, 05:00:14 am by lantertronics |
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55 Replies
19525 Views |
March 28, 2022, 10:23:53 pm by jamaio |
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5U4M/5C4M Rectifiers
Started by 72Blazer |
12 Replies
6717 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
4233 Views |
March 27, 2022, 11:45:22 am by JB |
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Vibration Induced bias runaway?
Started by Dyerseve726 |
16 Replies
6935 Views |
March 26, 2022, 01:52:29 pm by shooter |
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Where to get good TUBES
Started by schturlan |
30 Replies
9781 Views |
March 26, 2022, 10:01:42 am by j_bruce |
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Common cathode preamp stages
Started by lantertronics |
0 Replies
3932 Views |
March 26, 2022, 03:05:26 am by lantertronics |
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Parallel 6.3V wiring (6922)
Started by dwinstonwood |
12 Replies
6593 Views |
March 25, 2022, 11:16:39 am by dwinstonwood |
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Supro 6606 Build - Sluckey Layout
Started by ebulakowski |
3 Replies
3697 Views |
March 25, 2022, 11:00:42 am by ebulakowski |
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PI tube type concerns.
Started by joesatch |
4 Replies
3540 Views |
March 25, 2022, 10:22:52 am by joesatch |
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6 Replies
3826 Views |
March 25, 2022, 02:56:27 am by kagliostro |
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2 Replies
3206 Views |
March 25, 2022, 02:47:45 am by kagliostro |
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Adding electrolytic in series...
Started by Stuff4bikes |
8 Replies
4579 Views |
March 24, 2022, 08:21:25 pm by Stuff4bikes |
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