Welcome To the Hoffman Amplifiers Forum
December 08, 2025, 01:53:40 pm
Welcome To the Hoffman Amplifiers ForumDecember 08, 2025, 01:53:40 pm | ||
| Subject / Started by | Replies / Views | Last post  |
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Some questions about the GU-17
Started by ECV02 |
12 Replies
6373 Views |
April 25, 2019, 03:36:50 pmby kagliostro |
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Pilot light
Started by uki |
3 Replies
2901 Views |
April 25, 2019, 07:40:33 am by shooter |
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8 Replies
4327 Views |
April 25, 2019, 06:44:49 am by bmccowan |
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Channel Mixing Resistors
Started by TIMBO |
15 Replies
9468 Views |
April 24, 2019, 05:22:39 pm by tubeswell |
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Tube substitution
Started by g-man |
5 Replies
4142 Views |
April 24, 2019, 03:06:20 pm by g-man |
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104 Replies
37054 Views |
April 23, 2019, 02:41:34 pm by PRR |
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Ground question
Started by Joe6v6 |
11 Replies
5326 Views |
April 23, 2019, 02:38:48 am by st |
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5 Replies
6182 Views |
April 22, 2019, 07:08:17 pm by jeff_free69 |
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23 Replies
7931 Views |
April 22, 2019, 02:56:12 pm by kagliostro |
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Looking for special shape tube
Started by Colas LeGrippa |
5 Replies
3043 Views |
April 21, 2019, 06:38:14 pm by Colas LeGrippa |
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6 Replies
4825 Views |
April 19, 2019, 06:34:09 pm by kagliostro |
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Another Valve Jr Question
Started by Electron Tornado |
2 Replies
2201 Views |
April 19, 2019, 12:33:52 pm by PRR |
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8 Replies
4020 Views |
April 18, 2019, 09:04:33 pm by MakerDP |
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8 Replies
4056 Views |
April 18, 2019, 07:09:04 pm by BobL |
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6 Replies
3985 Views |
April 18, 2019, 11:18:45 am by Electron Tornado |
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5E3 Normal Channel not working
Started by mebond11 |
8 Replies
4372 Views |
April 17, 2019, 04:30:00 pm by mebond11 |
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12AU7 output tube
Started by jeff |
22 Replies
21475 Views |
April 17, 2019, 01:13:29 pm by PRR |
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18 Replies
6569 Views |
April 17, 2019, 05:54:05 am by ALBATROS1234 |
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JMP 2204 Build with relay switching
Started by NSB_Chris |
4 Replies
3360 Views |
April 17, 2019, 05:21:20 am by NSB_Chris |
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350k pot with tap
Started by Shack |
15 Replies
8493 Views |
April 16, 2019, 07:10:07 pm by MFowler |
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Elevated heaters: what not to do.
Started by Colas LeGrippa |
16 Replies
7083 Views |
April 16, 2019, 12:29:22 pm by ALBATROS1234 |
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Vox AC30HWH noisy top boost section
Started by defcon.klaxon |
8 Replies
5579 Views |
April 16, 2019, 09:42:44 am by st |
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blues jr no reverb
Started by Papa Jim |
17 Replies
6038 Views |
April 15, 2019, 07:27:55 pm by Papa Jim |
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6 Replies
6899 Views |
April 15, 2019, 05:03:01 pm by Colas LeGrippa |
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Body control pot
Started by uki |
11 Replies
5718 Views |
April 15, 2019, 04:17:40 pm by VMS |
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16 Replies
7042 Views |
April 15, 2019, 08:14:30 am by sluckey |
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7 Replies
4624 Views |
April 14, 2019, 08:53:37 pm by keithpop |
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Blues Jr. Build
Started by dezmoduo |
2 Replies
2306 Views |
April 14, 2019, 07:25:05 pm by Tbone55 |
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105 Replies
29697 Views |
April 14, 2019, 11:33:12 am by Bosses |
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JCM 900 slx bias trim pot
Started by Leevi |
8 Replies
5732 Views |
April 14, 2019, 12:47:29 am by Leevi |
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Choke Inductance
Started by TIMBO |
6 Replies
3293 Views |
April 14, 2019, 12:42:56 am by nandrewjackson |
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3 Replies
2407 Views |
April 13, 2019, 11:16:15 pm by Tbone55 |
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heptode amps
Started by theanalogkid |
9 Replies
7562 Views |
April 13, 2019, 10:21:51 am by VMS |
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unusual transformer
Started by isaac_teller |
2 Replies
2674 Views |
April 13, 2019, 10:01:43 am by isaac_teller |
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3 Replies
2327 Views |
April 12, 2019, 06:29:11 pm by shooter |
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FX midstream
Started by shooter |
2 Replies
2260 Views |
April 12, 2019, 06:26:12 pm by shooter |
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6J4P 6Ж4 Pentode tube Russian
Started by Ed_Chambley |
10 Replies
7248 Views |
April 12, 2019, 03:42:19 pm by Ed_Chambley |
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AB763 Single Channel Troubleshooting
Started by purpletele |
14 Replies
6438 Views |
April 12, 2019, 12:56:59 pm by purpletele |
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8 Replies
3648 Views |
April 12, 2019, 09:20:53 am by pbman1953 |
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30 Replies
12224 Views |
April 11, 2019, 07:36:38 pm by plumcrazyfx |
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Mhuss Plexi 6V6 to el34?
Started by JGk |
11 Replies
6401 Views |
April 10, 2019, 05:43:36 pm by JGk |
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2 Replies
2794 Views |
April 10, 2019, 04:21:05 pm by sluckey |
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38 Replies
12923 Views |
April 09, 2019, 12:07:01 am by DummyLoad |
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SluckeyAmps 1960 Vox AC15 Build
Started by SkipJohnson « 1 2 3 » |
128 Replies
38664 Views |
April 08, 2019, 05:32:14 pm by sluckey |
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Adjusting the tone stack - Sunn 2000S
Started by BobL |
3 Replies
3816 Views |
April 08, 2019, 04:36:19 pm by BobL |
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filter choke resonating capacitor?
Started by ALBATROS1234 |
4 Replies
3096 Views |
April 08, 2019, 12:19:01 pm by ALBATROS1234 |
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25 Replies
7612 Views |
April 07, 2019, 07:53:20 pm by shooter |
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OD tone stack experiment
Started by tubenit |
7 Replies
5012 Views |
April 07, 2019, 07:06:10 pm by Joel |
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2 Replies
2699 Views |
April 07, 2019, 06:24:07 pm by ndross475 |
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PHOENIX VOCAL PA AMP
Started by TIMBO |
0 Replies
2253 Views |
April 07, 2019, 04:12:39 am by TIMBO |
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