Welcome To the Hoffman Amplifiers Forum
January 23, 2026, 05:58:53 pm
Welcome To the Hoffman Amplifiers ForumJanuary 23, 2026, 05:58:53 pm | ||
| Subject / Started by | Replies / Views | Last post  |
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| astronomicum and 106 Guests are viewing this board. | ||||
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MOD 5F1 kit - voltage issues
Started by martinlb |
31 Replies
3374 Views |
June 10, 2025, 10:45:29 amby DummyLoad |
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Line transformers for output.
Started by silat |
6 Replies
1527 Views |
June 09, 2025, 01:40:13 pm by Williamblake |
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5e3 Part Substitution Question
Started by ThomasTube74 |
3 Replies
1232 Views |
June 08, 2025, 08:03:58 pm by stratomaster |
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MOD 102+ build trouble
Started by martinlb |
9 Replies
1626 Views |
June 08, 2025, 11:56:26 am by martinlb |
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Tweed Bluezmeister 2025
Started by acheld |
12 Replies
3395 Views |
June 07, 2025, 10:52:37 am by acheld |
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Jam night amp ideas. Grab and go head
Started by tristanc |
18 Replies
6894 Views |
June 06, 2025, 09:24:25 am by tristanc |
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4 Replies
1481 Views |
June 06, 2025, 08:39:34 am by pdf64 |
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44 Replies
5946 Views |
June 05, 2025, 08:09:19 am by wsscott |
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1 Replies
999 Views |
June 04, 2025, 03:53:16 am by Merlin |
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121v from end lug to chassis
Started by martinlb |
11 Replies
1690 Views |
June 03, 2025, 07:04:19 pm by scstill |
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5881 Cold Bias Help
Started by jjschessmaster |
2 Replies
931 Views |
June 03, 2025, 06:54:51 am by jjschessmaster |
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Baldwin Organ Transformers
Started by strongjay912 |
14 Replies
2411 Views |
June 02, 2025, 09:33:45 pm by strongjay912 |
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Dual 1MA pot for dwell-volume control?
Started by ac427v |
2 Replies
1165 Views |
June 01, 2025, 06:38:11 am by ac427v |
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Which is quieter? (Filter node question)
Started by jordan86 |
9 Replies
1899 Views |
June 01, 2025, 06:32:32 am by ac427v |
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Hotrod Deville low volume
Started by fossilshark |
19 Replies
2405 Views |
May 31, 2025, 04:24:11 pm by AlNewman |
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Adding Tube Rectifier on a Switch
Started by Nathan |
35 Replies
3745 Views |
May 31, 2025, 02:05:55 pm by HotBluePlates |
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Holden Wasp VBA 200 Repair
Started by amosmosip |
10 Replies
1872 Views |
May 31, 2025, 01:11:47 pm by Rontone |
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3 Replies
939 Views |
May 30, 2025, 01:30:06 pm by Platefire |
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800 circuit power section hum help!
Started by joesatch |
10 Replies
1894 Views |
May 30, 2025, 09:06:53 am by joesatch |
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2 Replies
1129 Views |
May 30, 2025, 06:51:21 am by Merlin |
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Philips 1N4007G diode
Started by CordovaNate |
2 Replies
1168 Views |
May 28, 2025, 11:54:13 pm by CordovaNate |
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Stand alone AMPEG Reverb
Started by Jonas |
18 Replies
2676 Views |
May 27, 2025, 06:24:14 pm by HotBluePlates |
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14 Replies
6030 Views |
May 27, 2025, 03:57:39 pm by scstill |
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JTM-18 EL84 Build Suggestions
Started by Rontone |
4 Replies
1887 Views |
May 25, 2025, 12:43:18 pm by Rontone |
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12AU7 Parallel Push Pull
Started by TIMBO |
21 Replies
6902 Views |
May 25, 2025, 01:04:10 am by kagliostro |
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Diagnosing DRRI that cut out on client
Started by Choan |
4 Replies
1161 Views |
May 23, 2025, 09:21:31 pm by dogburn |
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31 Replies
3073 Views |
May 23, 2025, 03:27:24 pm by tubeswell |
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Transformer wiring.
Started by AC4 |
37 Replies
6364 Views |
May 23, 2025, 03:23:48 pm by AC4 |
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Parallel Single Ended 5F1
Started by TurboGuitarMelton |
30 Replies
10592 Views |
May 22, 2025, 05:14:39 pm by shooter |
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Reliable source of tested 6P14P valves?
Started by Loomer |
6 Replies
1537 Views |
May 22, 2025, 04:10:14 pm by HotBluePlates |
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EVH5150III pilot light issue
Started by fossilshark |
4 Replies
1298 Views |
May 22, 2025, 01:00:38 pm by mresistor |
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Building Mojotone Princeton Reverb Kit
Started by yahoo |
6 Replies
1481 Views |
May 22, 2025, 11:34:54 am by Lectroid |
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60 Replies
5036 Views |
May 22, 2025, 06:50:55 am by wsscott |
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Using a 6Z4 to 6X4 adapter
Started by kasperbergholt |
5 Replies
1462 Views |
May 21, 2025, 12:04:27 pm by kasperbergholt |
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14 Replies
2504 Views |
May 21, 2025, 07:21:43 am by kagliostro |
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Turrets on PCB (image request)
Started by Opry Audio |
6 Replies
1515 Views |
May 21, 2025, 06:51:06 am by kagliostro |
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SE EL84 build - which PT?
Started by theRagman |
5 Replies
1458 Views |
May 20, 2025, 04:25:20 pm by theRagman |
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6BQ7a Valves
Started by TIMBO |
6 Replies
1455 Views |
May 20, 2025, 03:57:20 pm by kagliostro |
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18 Replies
5049 Views |
May 20, 2025, 01:48:27 pm by tubeswell |
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15 Replies
2509 Views |
May 20, 2025, 09:02:15 am by Willabe |
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Parts not in Doug's catalog
Started by GuitarPilot65 |
5 Replies
1545 Views |
May 18, 2025, 12:17:33 pm by EL34 |
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16 Replies
2761 Views |
May 17, 2025, 07:30:27 pm by Willabe |
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19 Replies
7493 Views |
May 17, 2025, 03:22:15 pm by pdapalma |
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Bluezmeister
Started by TIMBO |
23 Replies
3865 Views |
May 17, 2025, 05:41:04 am by tubenit |
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5F6-A Build Stumped. Thank you!!!
Started by JimmyJam |
7 Replies
1365 Views |
May 16, 2025, 01:29:49 pm by mresistor |
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warbler-related project
Started by Willabe |
23 Replies
2780 Views |
May 15, 2025, 09:37:05 am by Brinkman |
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5E9-A Depth control and PI bias
Started by stratomaster |
5 Replies
1489 Views |
May 15, 2025, 02:15:11 am by stratomaster |
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24 Replies
7218 Views |
May 13, 2025, 08:09:16 pm by jbefumo |
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Moonlight Tone Control
Started by Jonas |
1 Replies
1190 Views |
May 13, 2025, 06:09:58 am by Merlin |
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Fender 6G8/6G12 inspired build
Started by Esquirefreak |
12 Replies
1919 Views |
May 13, 2025, 02:19:38 am by tubeswell |
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