Welcome To the Hoffman Amplifiers Forum
January 24, 2026, 05:20:22 am
Welcome To the Hoffman Amplifiers ForumJanuary 24, 2026, 05:20:22 am | ||
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| 0 Members and 36 Guests are viewing this board. | ||||
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Jet City JCA-100HDM with a short?
Started by mdeetz |
2 Replies
3942 Views |
September 03, 2018, 03:04:10 pmby PRR |
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11 Replies
6575 Views |
September 03, 2018, 10:44:02 am by Apexelectric |
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Plexi 6V6 question
Started by labb |
3 Replies
3016 Views |
September 03, 2018, 10:18:57 am by davidwpack |
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Normal channel ab763
Started by Rockranger |
2 Replies
2707 Views |
September 03, 2018, 08:39:56 am by Rockranger |
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Bugera 333xl-212 Infinium update
Started by matt mincer |
2 Replies
3587 Views |
September 02, 2018, 10:15:23 am by matt mincer |
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Hoffman Plexi 50
Started by labb |
1 Replies
2084 Views |
September 02, 2018, 09:47:13 am by sluckey |
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16 Replies
5728 Views |
September 01, 2018, 09:28:35 pm by ALBATROS1234 |
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Grounding scheme question.
Started by mikeg |
4 Replies
2684 Views |
September 01, 2018, 03:05:52 pm by mikeg |
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2 Replies
3222 Views |
September 01, 2018, 09:20:52 am by plumcrazyfx |
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31 Replies
12626 Views |
August 31, 2018, 07:33:53 pm by choosebronze |
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Laney Cub schematic change to point to point
Started by Hoot |
14 Replies
15447 Views |
August 30, 2018, 04:19:00 pm by Hoot |
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Fender Tonemaster channel switching Pop!
Started by bibi |
3 Replies
3764 Views |
August 30, 2018, 12:29:53 pm by bibi |
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6 Replies
4375 Views |
August 30, 2018, 06:13:49 am by bmccowan |
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carvin mts 3200 input output jacks
Started by Tedfeast |
4 Replies
3409 Views |
August 28, 2018, 11:37:57 pm by DummyLoad |
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now what do I build.
Started by mschock |
2 Replies
2480 Views |
August 28, 2018, 10:38:37 pm by mschock |
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Dumble building
Started by Oddvar |
10 Replies
5907 Views |
August 28, 2018, 04:04:02 pm by Mike_J |
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6 Replies
3810 Views |
August 28, 2018, 10:56:20 am by tubenit |
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Kuehnel's new book
Started by PRR |
34 Replies
12022 Views |
August 28, 2018, 06:05:37 am by John |
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1971 Fender Twin Reverb- Blows fuse
Started by silverfox |
15 Replies
7104 Views |
August 27, 2018, 01:21:47 pm by silverfox |
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7 Replies
4321 Views |
August 26, 2018, 01:43:59 pm by dpm309 |
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VASE TRENDSETTER 40
Started by TIMBO |
6 Replies
4341 Views |
August 26, 2018, 04:19:34 am by TIMBO |
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the facts about 6x5g,gt
Started by ALBATROS1234 |
12 Replies
9353 Views |
August 26, 2018, 12:34:57 am by DummyLoad |
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11 Replies
5238 Views |
August 25, 2018, 10:17:22 pm by plumcrazyfx |
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Marshall jmp 1H very low volume
Started by jerrydyer |
2 Replies
2326 Views |
August 25, 2018, 09:06:20 pm by jerrydyer |
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5 Replies
3063 Views |
August 25, 2018, 03:07:54 pm by Bwmitc9285 |
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finally built it. big amp troubleshooting.
Started by birt |
28 Replies
7942 Views |
August 25, 2018, 11:59:16 am by birt |
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New Project
Started by okguitarman |
11 Replies
3299 Views |
August 25, 2018, 04:09:41 am by okguitarman |
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Power Amp Grid Leak Resistors
Started by mwelch55 |
9 Replies
5287 Views |
August 24, 2018, 02:42:11 pm by jjasilli |
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83 Replies
19945 Views |
August 24, 2018, 10:23:18 am by Diverted |
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single ended Converted to 5E3
Started by okguitarman |
3 Replies
2573 Views |
August 23, 2018, 09:55:58 pm by sluckey |
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8 Replies
3984 Views |
August 23, 2018, 05:06:07 pm by copperheadroads |
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Adding NFB to power tube cathode?
Started by jeff |
32 Replies
14689 Views |
August 23, 2018, 10:14:54 am by 92Volts |
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26 Replies
7949 Views |
August 22, 2018, 11:19:28 am by Platefire |
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3 Replies
3097 Views |
August 21, 2018, 09:53:35 am by shooter |
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3 Replies
2926 Views |
August 21, 2018, 06:29:11 am by tubenit |
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15 Replies
7452 Views |
August 20, 2018, 07:21:13 pm by galaxiex |
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Hoffman 30 watt amps on the bench
Started by LooseChange |
18 Replies
6936 Views |
August 20, 2018, 05:25:44 pm by EL34 |
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PLEXI 6V6 PLUS
Started by TIMBO |
31 Replies
13405 Views |
August 20, 2018, 04:25:10 pm by Big_Mike |
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Biasing weirdness on Hot Rod Deluxe
Started by jojokeo |
9 Replies
5950 Views |
August 20, 2018, 11:43:39 am by pdf64 |
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10 Replies
3728 Views |
August 19, 2018, 12:57:49 pm by MFowler |
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7 Replies
3569 Views |
August 19, 2018, 09:03:51 am by ginger |
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Ground lift. Keep or remove?
Started by plumcrazyfx |
6 Replies
3180 Views |
August 19, 2018, 06:41:50 am by ac427v |
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clipping diode arrangement
Started by jokn |
10 Replies
6132 Views |
August 17, 2018, 02:40:04 pm by d95err |
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10 Replies
5675 Views |
August 16, 2018, 09:31:14 pm by jjasilli |
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5E3 Tone stack
Started by okguitarman |
7 Replies
3638 Views |
August 16, 2018, 08:28:47 pm by okguitarman |
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2 Replies
2749 Views |
August 16, 2018, 07:11:33 pm by choosebronze |
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4 Replies
4403 Views |
August 16, 2018, 05:03:08 pm by jjasilli |
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16 Replies
5963 Views |
August 16, 2018, 10:20:24 am by Rascalrick |
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Which output transformer?
Started by Tapsnap |
20 Replies
11246 Views |
August 15, 2018, 12:56:38 pm by 92Volts |
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9 Replies
3637 Views |
August 14, 2018, 02:34:05 pm by ylelevier77 |
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Misc. Hardware |
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Tubes Valves |
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Pots Knobs |
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