Welcome To the Hoffman Amplifiers Forum
January 24, 2026, 01:09:22 pm
Welcome To the Hoffman Amplifiers ForumJanuary 24, 2026, 01:09:22 pm | ||
| Subject / Started by | Replies / Views | Last post  |
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BlackFace Pro Reverb Not Enough Bias
Started by lkrasner |
5 Replies
4838 Views |
March 13, 2015, 11:34:27 amby sluckey |
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Re: Hoffman Fender Blues Junior Conversion
Started by LRX71 |
13 Replies
8193 Views |
March 13, 2015, 10:05:45 am by sluckey |
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Is correct this input arrangement ?
Started by kagliostro |
5 Replies
3654 Views |
March 13, 2015, 07:09:12 am by mresistor |
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EL-34 question, the tube
Started by shooter |
5 Replies
3512 Views |
March 13, 2015, 01:49:14 am by DummyLoad |
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Bogen Rp200
Started by Toxophilite |
7 Replies
4451 Views |
March 12, 2015, 09:05:20 pm by Toxophilite |
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Silvertone 1391 w/no power
Started by BigE |
12 Replies
7040 Views |
March 12, 2015, 08:51:21 pm by jjasilli |
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6 Replies
7562 Views |
March 12, 2015, 02:53:41 pm by jukelemon |
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Tube substitute
Started by kagliostro |
2 Replies
2499 Views |
March 12, 2015, 01:10:48 pm by kagliostro |
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11 Replies
4677 Views |
March 12, 2015, 12:53:46 pm by PRR |
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Late 70s Super Reverb
Started by doubled24 |
10 Replies
5962 Views |
March 12, 2015, 10:09:33 am by doubled24 |
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2204 6v6 build
Started by Auke Jolman |
15 Replies
7825 Views |
March 11, 2015, 03:49:05 pm by Auke Jolman |
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Do I need to ground this ground bus?
Started by Ocean7 |
15 Replies
6354 Views |
March 11, 2015, 03:18:10 pm by kl2mcbride |
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15 Replies
5482 Views |
March 11, 2015, 12:45:04 pm by Toxophilite |
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Mystery Amp
Started by TIMBO |
23 Replies
7769 Views |
March 11, 2015, 03:33:28 am by DummyLoad |
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Layout question
Started by hesamadman |
4 Replies
3462 Views |
March 09, 2015, 01:47:41 pm by hesamadman |
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8 Replies
6642 Views |
March 09, 2015, 11:39:08 am by afireworship |
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13 Replies
9142 Views |
March 09, 2015, 11:20:39 am by afireworship |
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6 Replies
3931 Views |
March 09, 2015, 10:09:12 am by norstroms |
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7 Replies
5072 Views |
March 09, 2015, 04:21:59 am by kagliostro |
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Dean Markley Signature 120 Schematic?
Started by plexi50 |
2 Replies
4556 Views |
March 08, 2015, 10:36:15 pm by plexi50 |
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Pilot Light at "the end of the line"
Started by bakerlite |
4 Replies
3666 Views |
March 08, 2015, 10:23:47 pm by hesamadman |
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DC for tube heaters
Started by supro66 |
12 Replies
9267 Views |
March 08, 2015, 08:40:16 pm by HotBluePlates |
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FENDER BASSMAN question
Started by Colas LeGrippa |
27 Replies
8376 Views |
March 08, 2015, 10:50:28 am by Colas LeGrippa |
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Will this cause me problems?
Started by hesamadman |
14 Replies
4879 Views |
March 07, 2015, 12:39:25 pm by kagliostro |
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1 Replies
2675 Views |
March 07, 2015, 09:08:43 am by sluckey |
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Is this a good idea?
Started by Leevi |
4 Replies
2718 Views |
March 07, 2015, 03:27:10 am by darryl |
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Tube Amp Attenuator??
Started by slash1986 |
21 Replies
7623 Views |
March 06, 2015, 07:30:48 pm by 2deaf |
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6CM6 tube in pushpull??
Started by Toxophilite |
4 Replies
5445 Views |
March 05, 2015, 08:35:08 pm by DummyLoad |
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Twin Reverb II Bias Help
Started by ncusack |
4 Replies
3811 Views |
March 05, 2015, 05:27:06 pm by Willabe |
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Orpus 24 (Supro) Project
Started by TubeGeek |
2 Replies
2560 Views |
March 05, 2015, 12:42:16 am by TIMBO |
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Fender Marshall channel switching idea
Started by tubenit |
7 Replies
3211 Views |
March 04, 2015, 09:37:25 pm by TubeGeek |
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before i drill
Started by shooter |
2 Replies
2402 Views |
March 04, 2015, 06:03:55 pm by shooter |
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Fifties Gibson Ga-6 Lancer Tweed
Started by loogie |
5 Replies
4968 Views |
March 04, 2015, 12:22:50 pm by Redbird |
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Power cord strain relief
Started by sluckey |
32 Replies
13922 Views |
March 03, 2015, 07:01:42 pm by shooter |
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6 volt and 5 volt voltage
Started by supro66 |
11 Replies
8352 Views |
March 03, 2015, 06:57:41 pm by HotBluePlates |
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92 Replies
29786 Views |
March 03, 2015, 03:24:57 pm by DummyLoad |
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2 Replies
3156 Views |
March 03, 2015, 08:40:38 am by sluckey |
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homebuild jtm 45 high treble channel
Started by maartenc |
2 Replies
2567 Views |
March 03, 2015, 07:57:27 am by maartenc |
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7591s
Started by Toxophilite |
2 Replies
2566 Views |
March 02, 2015, 05:06:34 pm by Toxophilite |
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Power tube spacing
Started by Toxophilite |
1 Replies
3901 Views |
March 02, 2015, 05:05:42 pm by HotBluePlates |
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Vintage PA Amps & Speaker Conncetions
Started by jjasilli |
2 Replies
2824 Views |
March 02, 2015, 01:26:06 am by kagliostro |
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11 Replies
8548 Views |
March 01, 2015, 03:52:13 pm by sluckey |
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Laws and Regulations
Started by lkrasner |
27 Replies
7995 Views |
March 01, 2015, 02:39:10 pm by jjasilli |
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Salvaging Hammond A043 L100
Started by HommeMarrBuckley |
21 Replies
5591 Views |
March 01, 2015, 01:09:42 pm by sluckey |
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Hoffman Princeton Reverb Build
Started by sclinchy |
3 Replies
2822 Views |
March 01, 2015, 11:26:13 am by sclinchy |
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Power transformer deration / sizing
Started by octal |
3 Replies
2706 Views |
February 28, 2015, 10:19:09 pm by PRR |
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What is causing this?
Started by Leevi |
1 Replies
2958 Views |
February 28, 2015, 09:38:29 pm by shooter |
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Schedule 40 GA 5 build
Started by jyant50 |
4 Replies
3527 Views |
February 28, 2015, 10:02:17 am by sluckey |
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20 Replies
8028 Views |
February 27, 2015, 10:01:31 am by kagliostro |
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High Power resistor for amp load testing
Started by lego4040 |
14 Replies
6824 Views |
February 27, 2015, 09:10:13 am by supro66 |
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