Welcome To the Hoffman Amplifiers Forum
January 23, 2026, 09:55:33 pm
Welcome To the Hoffman Amplifiers ForumJanuary 23, 2026, 09:55:33 pm | ||
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11 Replies
4611 Views |
September 02, 2022, 01:12:16 pmby tubeswell |
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PP OT Questions
Started by W5FH |
7 Replies
3553 Views |
September 02, 2022, 09:33:11 am by W5FH |
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Joeamazoo pentode front end
Started by goldstache |
2 Replies
2488 Views |
September 01, 2022, 12:38:04 am by goldstache |
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Puzzled by 6SN7 cathode connection
Started by jordan86 |
17 Replies
6439 Views |
August 31, 2022, 09:48:29 pm by jordan86 |
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Solid state CF harmonic trem
Started by Esquirefreak |
19 Replies
5446 Views |
August 31, 2022, 08:45:27 pm by Esquirefreak |
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TW Express build.
Started by joesatch |
24 Replies
6289 Views |
August 31, 2022, 06:10:05 pm by tubeswell |
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Stuck on a 6G15 build.
Started by Esquirefreak |
11 Replies
4250 Views |
August 31, 2022, 06:08:51 pm by Esquirefreak |
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5 Replies
3469 Views |
August 31, 2022, 12:05:40 pm by Bieworm |
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4 Replies
3625 Views |
August 31, 2022, 10:18:18 am by sluckey |
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12 Replies
4519 Views |
August 31, 2022, 05:44:04 am by HotBluePlates |
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3 Replies
3048 Views |
August 30, 2022, 04:04:39 pm by Williamblake |
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resisor and cap in series on cathode?
Started by joesatch |
29 Replies
7274 Views |
August 30, 2022, 12:37:02 pm by sluckey |
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27 Replies
6892 Views |
August 29, 2022, 03:35:25 pm by sluckey |
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5U4GB vs. 5R4GA vs. SS rectifier?
Started by Lectroid |
12 Replies
6125 Views |
August 29, 2022, 01:02:19 pm by Lectroid |
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2 Replies
2421 Views |
August 29, 2022, 12:10:24 pm by imgumby001 |
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9 Replies
4477 Views |
August 29, 2022, 11:42:55 am by PRR |
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12 Replies
4279 Views |
August 29, 2022, 11:17:23 am by zosobozo |
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14 Replies
5901 Views |
August 29, 2022, 10:57:02 am by MikeW86 |
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Grounding plan for OR120 clone
Started by focusbob |
2 Replies
2805 Views |
August 28, 2022, 11:43:27 pm by tubeswell |
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1 Replies
2488 Views |
August 28, 2022, 03:19:23 pm by thetragichero |
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82 JC120 - desperado
Started by fdesalvo |
3 Replies
2407 Views |
August 26, 2022, 12:13:47 pm by fdesalvo |
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Voltage drop with power tubes installed
Started by Ledvedder |
8 Replies
4050 Views |
August 25, 2022, 10:53:36 am by Ledvedder |
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1965 Marshall JTM 45 On Bench!!!
Started by plexi50 |
1 Replies
2704 Views |
August 25, 2022, 10:20:08 am by plexi50 |
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Sunn Solarus
Started by plexi50 |
14 Replies
6256 Views |
August 25, 2022, 10:10:25 am by plexi50 |
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Reverb Hum
Started by wsscott |
31 Replies
6931 Views |
August 25, 2022, 08:46:57 am by wsscott |
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HRD ML212 "Clone" Build Reverb Issue
Started by W5FH |
7 Replies
3509 Views |
August 24, 2022, 11:45:11 am by thetragichero |
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TungSol TS-272 Twin Triode
Started by W5FH |
0 Replies
2044 Views |
August 24, 2022, 08:59:41 am by W5FH |
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RCA 12ax7 vs Electro Harmonix
Started by cometphoton |
6 Replies
4065 Views |
August 23, 2022, 08:08:00 pm by bmccowan |
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A little PT help, if you please..
Started by mmrxcsr01 |
7 Replies
3447 Views |
August 23, 2022, 02:32:50 pm by thetragichero |
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Tighten up some flub on a half-power AC30?
Started by Cirrus |
2 Replies
2415 Views |
August 23, 2022, 10:15:48 am by Cirrus |
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DC heater supply
Started by joesatch |
4 Replies
2747 Views |
August 23, 2022, 02:12:47 am by kagliostro |
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4 Replies
2601 Views |
August 23, 2022, 12:59:36 am by acatlow@gmail.com |
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7 Replies
3413 Views |
August 22, 2022, 02:29:15 pm by PRR |
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Sunn Grid Noise
Started by plexi50 |
10 Replies
3530 Views |
August 22, 2022, 08:06:20 am by plexi50 |
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5881 vs 6L6GB
Started by imgumby001 |
7 Replies
3509 Views |
August 22, 2022, 05:46:56 am by HotBluePlates |
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Twin Reverb II Biasing Question
Started by dpm309 |
7 Replies
3753 Views |
August 21, 2022, 03:45:12 pm by dpm309 |
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4 Replies
2579 Views |
August 21, 2022, 12:15:31 pm by kagliostro |
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Help with ID of this resistor
Started by Apexelectric |
10 Replies
3783 Views |
August 20, 2022, 06:46:59 pm by Apexelectric |
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3 button footswitch with a TRS ?
Started by joesatch |
10 Replies
3911 Views |
August 20, 2022, 05:16:40 pm by Williamblake |
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Gibson GA50 question
Started by Leevi |
3 Replies
2821 Views |
August 20, 2022, 07:41:37 am by pdf64 |
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S#!t! - That's A Lot of Iron!
Started by DummyLoad |
3 Replies
2754 Views |
August 20, 2022, 04:34:56 am by zircontweezer |
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10 Replies
4949 Views |
August 19, 2022, 09:22:57 pm by DummyLoad |
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14 Replies
4155 Views |
August 19, 2022, 07:44:47 pm by Coldhand75 |
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6JB6A in a guitar amp
Started by Hojvaelde |
7 Replies
3892 Views |
August 19, 2022, 04:03:55 pm by PRR |
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Vibrochamp tremolo question
Started by Esquirefreak |
1 Replies
2196 Views |
August 18, 2022, 07:45:07 pm by tubeswell |
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RC4558 OP Amp Voltage Max
Started by plexi50 |
11 Replies
4264 Views |
August 17, 2022, 09:41:50 pm by DummyLoad |
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1974 Sunn Model A No Sound!
Started by plexi50 |
40 Replies
8907 Views |
August 17, 2022, 06:53:32 pm by PRR |
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3 Replies
2440 Views |
August 17, 2022, 06:29:20 pm by PRR |
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Sluckey's Trem-O-Nator in a Deluxe NR
Started by mk_716 |
1 Replies
2185 Views |
August 17, 2022, 02:00:57 pm by sluckey |
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4 Replies
3038 Views |
August 17, 2022, 10:57:01 am by dude |
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