Welcome To the Hoffman Amplifiers Forum
March 13, 2026, 12:59:47 am
Welcome To the Hoffman Amplifiers ForumMarch 13, 2026, 12:59:47 am | ||
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| 0 Members and 82 Guests are viewing this board. | ||||
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Troubleshooting SE homebuilt amp
Started by Twangmaster |
11 Replies
6374 Views |
October 08, 2010, 10:34:13 pmby Twangmaster |
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Mars OD special "idea"
Started by tubenit |
2 Replies
3859 Views |
October 08, 2010, 08:26:13 pm by 67polara |
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Blues Jr - Odd Topology
Started by Fresh_Start |
7 Replies
6339 Views |
October 08, 2010, 07:10:30 pm by jjasilli |
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Hammond Universal 125d OT
Started by TIMBO |
7 Replies
6257 Views |
October 08, 2010, 03:09:23 pm by TIMBO |
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5E3/5G9 Hotswitch mod
Started by deqqed |
4 Replies
4346 Views |
October 08, 2010, 01:36:16 pm by topbrent |
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Where have all the 6550's gone?
Started by bigsbybender |
12 Replies
6937 Views |
October 08, 2010, 11:24:25 am by simonallaway |
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data sheet for EH 7591 power tube
Started by punkykatt |
5 Replies
6233 Views |
October 08, 2010, 08:29:59 am by FYL |
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Sovtek vs. Electro-Harmonix 12AX7
Started by panhead |
14 Replies
21299 Views |
October 08, 2010, 06:26:34 am by bluesbear |
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100Rs for heater artificial CT ?
Started by Madison |
15 Replies
10827 Views |
October 08, 2010, 12:34:38 am by The_Gaz |
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Ampeg V2 No Filiment Light
Started by plexi50 |
7 Replies
5660 Views |
October 07, 2010, 11:25:29 pm by eleventeen |
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12AX7 With no Glow?
Started by Platefire |
2 Replies
4167 Views |
October 07, 2010, 11:22:11 pm by Platefire |
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5 Replies
5994 Views |
October 07, 2010, 05:46:49 pm by LooseChange |
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twin reverb, power tube current, etc.
Started by CraigB |
6 Replies
4551 Views |
October 07, 2010, 02:01:21 pm by mresistor |
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8 Replies
5814 Views |
October 07, 2010, 12:36:52 pm by PRR |
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Lar mar master
Started by phsyconoodler |
12 Replies
7320 Views |
October 07, 2010, 10:23:05 am by phsyconoodler |
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5 Replies
4451 Views |
October 07, 2010, 09:55:03 am by Tone Junkie |
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11 Replies
5888 Views |
October 07, 2010, 03:26:26 am by tubeswell |
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13 Replies
8021 Views |
October 06, 2010, 09:20:06 pm by Fresh_Start |
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New 5f1 build squeals
Started by mpryor224 |
19 Replies
12871 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
5520 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
11491 Views |
October 05, 2010, 11:08:31 pm by bigsbybender |
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OT wiring Question
Started by Platefire |
7 Replies
5149 Views |
October 05, 2010, 10:03:26 am by Platefire |
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Power transformers test method ?
Started by kagliostro |
7 Replies
8405 Views |
October 05, 2010, 02:20:28 am by kagliostro |
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Help Identifying Transformers
Started by knotscott |
18 Replies
9333 Views |
October 05, 2010, 12:43:06 am by PRR |
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Tos build done
Started by Tone Junkie |
10 Replies
5845 Views |
October 04, 2010, 06:04:36 pm by Tone Junkie |
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10 Replies
6479 Views |
October 04, 2010, 04:52:16 pm by Shrapnel |
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More loose power amp ?
Started by mat |
3 Replies
3884 Views |
October 04, 2010, 04:07:38 pm by phsyconoodler |
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11 Replies
7355 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
4061 Views |
October 04, 2010, 05:55:30 am by tubenit |
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TOS (TIMBO'S OUTSTANDING SUCCESS)!!!!
Started by TIMBO |
14 Replies
9784 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
7962 Views |
October 03, 2010, 03:18:32 pm by Tone Junkie |
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Compactrons
Started by stingray_65 |
3 Replies
4755 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
23933 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
8715 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
13990 Views |
October 02, 2010, 05:15:00 pm by imaradiostar |
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TOS schematic values and BOM??
Started by 67polara |
12 Replies
7196 Views |
October 02, 2010, 11:25:44 am by PRR |
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MOVED: Very interesting quote
Started by tubenit |
0 Replies
3756 Views |
October 01, 2010, 06:19:39 pm by tubenit |
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D_mble build into TOS
Started by mat |
19 Replies
9676 Views |
October 01, 2010, 11:44:32 am by mat |
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1 Replies
3437 Views |
October 01, 2010, 11:06:24 am by Geezer |
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28 Replies
15951 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
4919 Views |
September 30, 2010, 11:53:02 am by macula56 |
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Soldering question regarding turrets
Started by Platefire |
12 Replies
7439 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
7246 Views |
September 30, 2010, 08:37:48 am by Madison |
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20 Replies
10807 Views |
September 30, 2010, 01:14:50 am by Platefire |
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2 Replies
7135 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
10387 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
7546 Views |
September 29, 2010, 07:53:56 pm by EL34 |
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44 Replies
15482 Views |
September 29, 2010, 03:46:10 pm by Andre Oliveros |
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3 Replies
3692 Views |
September 29, 2010, 03:44:02 pm by FYL |
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0 Replies
3848 Views |
September 28, 2010, 09:12:12 am by EL34 |
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