Welcome To the Hoffman Amplifiers Forum
April 28, 2026, 02:13:18 am
Welcome To the Hoffman Amplifiers ForumApril 28, 2026, 02:13:18 am | ||
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5 Replies
6278 Views |
October 07, 2010, 05:46:49 pmby LooseChange |
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twin reverb, power tube current, etc.
Started by CraigB |
6 Replies
4794 Views |
October 07, 2010, 02:01:21 pm by mresistor |
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8 Replies
6100 Views |
October 07, 2010, 12:36:52 pm by PRR |
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Lar mar master
Started by phsyconoodler |
12 Replies
7601 Views |
October 07, 2010, 10:23:05 am by phsyconoodler |
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5 Replies
4658 Views |
October 07, 2010, 09:55:03 am by Tone Junkie |
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11 Replies
6178 Views |
October 07, 2010, 03:26:26 am by tubeswell |
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13 Replies
8422 Views |
October 06, 2010, 09:20:06 pm by Fresh_Start |
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New 5f1 build squeals
Started by mpryor224 |
19 Replies
13333 Views |
October 06, 2010, 01:31:50 pm by stingray_65 |
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telephone troubleshooting a 5E3 Mission Kit
Started by dwp |
5 Replies
5790 Views |
October 06, 2010, 10:17:20 am by phsyconoodler |
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old made in USA 12AU7's
Started by oldhippy |
17 Replies
11871 Views |
October 05, 2010, 11:08:31 pm by bigsbybender |
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OT wiring Question
Started by Platefire |
7 Replies
5421 Views |
October 05, 2010, 10:03:26 am by Platefire |
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Power transformers test method ?
Started by kagliostro |
7 Replies
8653 Views |
October 05, 2010, 02:20:28 am by kagliostro |
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Help Identifying Transformers
Started by knotscott |
18 Replies
9756 Views |
October 05, 2010, 12:43:06 am by PRR |
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Tos build done
Started by Tone Junkie |
10 Replies
6138 Views |
October 04, 2010, 06:04:36 pm by Tone Junkie |
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10 Replies
6832 Views |
October 04, 2010, 04:52:16 pm by Shrapnel |
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More loose power amp ?
Started by mat |
3 Replies
4152 Views |
October 04, 2010, 04:07:38 pm by phsyconoodler |
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11 Replies
7677 Views |
October 04, 2010, 09:58:28 am by Boots Deville |
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MOVED: Anyone want a cat?
Started by tubenit |
0 Replies
4300 Views |
October 04, 2010, 05:55:30 am by tubenit |
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TOS (TIMBO'S OUTSTANDING SUCCESS)!!!!
Started by TIMBO |
14 Replies
10156 Views |
October 04, 2010, 03:08:33 am by TIMBO |
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12au7 tube help and directions
Started by Tone Junkie |
8 Replies
8272 Views |
October 03, 2010, 03:18:32 pm by Tone Junkie |
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Compactrons
Started by stingray_65 |
3 Replies
5042 Views |
October 03, 2010, 09:57:47 am by stingray_65 |
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LED instead of traditional Fender Lamp
Started by samato |
34 Replies
24738 Views |
October 02, 2010, 08:42:54 pm by PRR |
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jcm 900 model 4100 output transformer
Started by six el six |
7 Replies
9060 Views |
October 02, 2010, 08:17:05 pm by FYL |
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390-0-390 for 50w marshall?
Started by rdrgtr |
26 Replies
14548 Views |
October 02, 2010, 05:15:00 pm by imaradiostar |
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TOS schematic values and BOM??
Started by 67polara |
12 Replies
7555 Views |
October 02, 2010, 11:25:44 am by PRR |
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MOVED: Very interesting quote
Started by tubenit |
0 Replies
4028 Views |
October 01, 2010, 06:19:39 pm by tubenit |
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D_mble build into TOS
Started by mat |
19 Replies
10121 Views |
October 01, 2010, 11:44:32 am by mat |
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1 Replies
3672 Views |
October 01, 2010, 11:06:24 am by Geezer |
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28 Replies
16439 Views |
September 30, 2010, 02:09:34 pm by FranciscoPerez |
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An amp with 2 separate PI's
Started by macula56 |
6 Replies
5242 Views |
September 30, 2010, 11:53:02 am by macula56 |
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Soldering question regarding turrets
Started by Platefire |
12 Replies
7885 Views |
September 30, 2010, 11:37:18 am by EL34 |
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18 watt volume/tone with 1M pots ?
Started by Madison |
9 Replies
7641 Views |
September 30, 2010, 08:37:48 am by Madison |
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20 Replies
11202 Views |
September 30, 2010, 01:14:50 am by Platefire |
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2 Replies
7469 Views |
September 29, 2010, 08:26:14 pm by PRR |
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my se el84 running at 370 vdc ?
Started by john_t |
23 Replies
10915 Views |
September 29, 2010, 07:58:08 pm by john_t |
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MOVED: Schematics for "Suhr" sound amps
Started by EL34 |
0 Replies
7917 Views |
September 29, 2010, 07:53:56 pm by EL34 |
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44 Replies
16076 Views |
September 29, 2010, 03:46:10 pm by Andre Oliveros |
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3 Replies
4026 Views |
September 29, 2010, 03:44:02 pm by FYL |
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0 Replies
4202 Views |
September 28, 2010, 09:12:12 am by EL34 |
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Harmon Kardon / Mono Block
Started by plexi50 |
16 Replies
9264 Views |
September 28, 2010, 08:37:35 am by plexi50 |
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Negative feedback resistor value
Started by jeff |
4 Replies
16429 Views |
September 28, 2010, 04:34:54 am by tubeswell |
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Dual Showman Reverb Question
Started by blueznet |
5 Replies
6818 Views |
September 27, 2010, 10:52:58 pm by blueznet |
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reverb output tranny question
Started by 67polara |
10 Replies
6141 Views |
September 27, 2010, 07:10:35 pm by EL34 |
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3 Replies
5085 Views |
September 27, 2010, 07:01:37 pm by LooseChange |
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fender choke in marshall?
Started by rdrgtr |
6 Replies
5948 Views |
September 27, 2010, 06:17:56 pm by tubeswell |
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4 tube power amp
Started by jeff |
5 Replies
5308 Views |
September 27, 2010, 05:34:39 pm by eleventeen |
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spacing tubes for layout
Started by zfiles1701 |
5 Replies
5534 Views |
September 27, 2010, 01:36:47 pm by kagliostro |
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Shielded EQ
Started by plexi50 |
6 Replies
5819 Views |
September 26, 2010, 08:12:29 pm by plexi50 |
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Revisiting Bass Amps, Final Critique
Started by bluesbear |
20 Replies
9873 Views |
September 26, 2010, 07:11:16 pm by Tone Junkie |
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5 Replies
4981 Views |
September 26, 2010, 04:51:20 pm by scarlett amps |
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