Welcome To the Hoffman Amplifiers Forum
December 08, 2025, 10:38:14 am
Welcome To the Hoffman Amplifiers ForumDecember 08, 2025, 10:38:14 am | ||
| Subject / Started by | Replies / Views | Last post  |
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| 0 Members and 119 Guests are viewing this board. | ||||
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Two heater circuits - grounding both?
Started by cfortner |
2 Replies
2268 Views |
August 02, 2023, 09:12:13 amby cfortner |
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Restoring Old Power Transformer
Started by TurboGuitarMelton |
10 Replies
4787 Views |
August 02, 2023, 08:29:50 am by kagliostro |
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5 Replies
3475 Views |
August 01, 2023, 05:41:59 pm by sluckey |
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filament wiring
Started by labb |
3 Replies
2658 Views |
August 01, 2023, 04:48:29 pm by sluckey |
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3 Replies
2888 Views |
August 01, 2023, 02:09:44 pm by kagliostro |
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Super reverb clone
Started by Rockranger |
10 Replies
3934 Views |
August 01, 2023, 02:23:46 am by Rockranger |
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3 Replies
2934 Views |
July 31, 2023, 04:11:04 pm by HotBluePlates |
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TMB Stout with 6v6's
Started by Rixster909 |
0 Replies
2329 Views |
July 31, 2023, 02:06:21 am by Rixster909 |
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8 Replies
3399 Views |
July 30, 2023, 08:00:56 am by tdvt |
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Conrad Sundholm RIP
Started by SoundmasterG |
6 Replies
3633 Views |
July 29, 2023, 11:56:26 pm by SoundmasterG |
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9 Replies
3498 Views |
July 28, 2023, 06:30:06 pm by Opry Audio |
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preamp stage circuit analysis
Started by joesatch |
12 Replies
3796 Views |
July 28, 2023, 03:47:33 pm by shooter |
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11 Replies
3850 Views |
July 28, 2023, 12:25:21 pm by sluckey |
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ENGL Savage 120 low bias
Started by Travis8 |
35 Replies
8657 Views |
July 28, 2023, 04:44:18 am by Latole |
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Question for Tubnit
Started by Tone Junkie |
5 Replies
3076 Views |
July 28, 2023, 12:30:47 am by Tone Junkie |
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AB763 HISS on the Tremolo circuit
Started by CharacterZero |
8 Replies
3641 Views |
July 27, 2023, 06:42:47 pm by sluckey |
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how to place the components?
Started by roseblood11 |
8 Replies
3227 Views |
July 27, 2023, 12:11:26 pm by roseblood11 |
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Coupling cap switch options
Started by echuta13 |
5 Replies
4110 Views |
July 27, 2023, 09:17:43 am by roseblood11 |
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6 Replies
3306 Views |
July 27, 2023, 05:45:01 am by cfortner |
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6 Replies
3285 Views |
July 27, 2023, 04:40:36 am by RoadShow |
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Dropping voltage BEFORE rectifier tube?
Started by Duncan |
8 Replies
3459 Views |
July 27, 2023, 01:18:58 am by kagliostro |
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133 Replies
20532 Views |
July 26, 2023, 09:16:47 pm by Platefire |
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In which class works the Hiwatt 400W ?
Started by kagliostro |
10 Replies
4383 Views |
July 26, 2023, 01:31:06 pm by cfortner |
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8 Replies
3665 Views |
July 26, 2023, 08:58:32 am by SnickSound |
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53 Replies
34507 Views |
July 26, 2023, 05:56:22 am by marshallguy |
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1/4 watt resistor crisis
Started by joesatch |
9 Replies
3928 Views |
July 25, 2023, 10:44:45 pm by PRR |
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6 Replies
3666 Views |
July 24, 2023, 05:36:08 pm by AmberB |
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7 Replies
2999 Views |
July 24, 2023, 07:49:22 am by shooter |
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Supro S-6424 PT and OT recomendations
Started by Planobilly |
6 Replies
2969 Views |
July 22, 2023, 05:28:26 pm by bmccowan |
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7 Replies
5777 Views |
July 22, 2023, 03:49:21 pm by dwinstonwood |
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22 Replies
5869 Views |
July 22, 2023, 02:54:39 pm by 72Blazer |
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KUSTOM DEFENDER 112 TUBES OFF
Started by Travis8 |
17 Replies
4435 Views |
July 22, 2023, 01:32:25 pm by Travis8 |
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Variation of Type 3 Master
Started by jordan86 |
12 Replies
4695 Views |
July 22, 2023, 10:08:12 am by jordan86 |
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Weird Mesa Heartbreaker screw
Started by Voxbox |
7 Replies
3534 Views |
July 22, 2023, 03:53:53 am by Latole |
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11 Replies
3895 Views |
July 21, 2023, 07:47:33 am by RoadShow |
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18 Replies
4893 Views |
July 20, 2023, 10:35:46 pm by tubeswell |
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Using old radio as transformer donor
Started by passaloutre |
8 Replies
3785 Views |
July 20, 2023, 01:19:22 pm by PRR |
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Hum problem
Started by Big chief |
4 Replies
2517 Views |
July 20, 2023, 11:56:20 am by tubeswell |
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20 Replies
5190 Views |
July 20, 2023, 10:24:06 am by sluckey |
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Sluckey's SVK anyone?
Started by Bieworm |
7 Replies
3390 Views |
July 19, 2023, 12:55:56 pm by sluckey |
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Bundling AC wires together
Started by Champ_49 |
2 Replies
2247 Views |
July 19, 2023, 08:23:58 am by sluckey |
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5F6a build, low pitched hum
Started by Bieworm |
27 Replies
5694 Views |
July 18, 2023, 11:39:27 am by Bieworm |
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micro 5E3 build
Started by Beezerboy |
11 Replies
3355 Views |
July 18, 2023, 12:45:26 am by Beezerboy |
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22 Replies
5969 Views |
July 17, 2023, 05:38:17 pm by pdf64 |
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5 Replies
2765 Views |
July 17, 2023, 09:25:40 am by tubeswell |
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53 Replies
8934 Views |
July 16, 2023, 06:39:00 pm by bmccowan |
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18 Replies
4807 Views |
July 16, 2023, 06:05:11 am by pdf64 |
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Shot in the dark Ecstacy filtering?
Started by joesatch |
14 Replies
4458 Views |
July 15, 2023, 04:54:02 pm by TIMBO |
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series coupling caps?
Started by embotone |
4 Replies
2446 Views |
July 15, 2023, 04:09:00 pm by embotone |
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0 Replies
1993 Views |
July 15, 2023, 01:49:51 pm by Jalmeida |
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