Welcome To the Hoffman Amplifiers Forum
July 14, 2026, 09:35:36 am
Welcome To the Hoffman Amplifiers ForumJuly 14, 2026, 09:35:36 am | ||
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| 0 Members and 67 Guests are viewing this board. | ||||
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2 Replies
3848 Views |
August 29, 2022, 12:10:24 pmby imgumby001 |
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9 Replies
6257 Views |
August 29, 2022, 11:42:55 am by PRR |
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12 Replies
5635 Views |
August 29, 2022, 11:17:23 am by zosobozo |
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14 Replies
8473 Views |
August 29, 2022, 10:57:02 am by MikeW86 |
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Grounding plan for OR120 clone
Started by focusbob |
2 Replies
4447 Views |
August 28, 2022, 11:43:27 pm by tubeswell |
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1 Replies
3993 Views |
August 28, 2022, 03:19:23 pm by thetragichero |
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82 JC120 - desperado
Started by fdesalvo |
3 Replies
3744 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
5726 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
4222 Views |
August 25, 2022, 10:20:08 am by plexi50 |
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Sunn Solarus
Started by plexi50 |
14 Replies
8452 Views |
August 25, 2022, 10:10:25 am by plexi50 |
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Reverb Hum
Started by wsscott |
31 Replies
8888 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
5060 Views |
August 24, 2022, 11:45:11 am by thetragichero |
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TungSol TS-272 Twin Triode
Started by W5FH |
0 Replies
3216 Views |
August 24, 2022, 08:59:41 am by W5FH |
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RCA 12ax7 vs Electro Harmonix
Started by cometphoton |
6 Replies
5491 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
5035 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
3732 Views |
August 23, 2022, 10:15:48 am by Cirrus |
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DC heater supply
Started by joesatch |
4 Replies
4156 Views |
August 23, 2022, 02:12:47 am by kagliostro |
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4 Replies
3864 Views |
August 23, 2022, 12:59:36 am by acatlow@gmail.com |
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7 Replies
4895 Views |
August 22, 2022, 02:29:15 pm by PRR |
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Sunn Grid Noise
Started by plexi50 |
10 Replies
5142 Views |
August 22, 2022, 08:06:20 am by plexi50 |
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5881 vs 6L6GB
Started by imgumby001 |
7 Replies
5047 Views |
August 22, 2022, 05:46:56 am by HotBluePlates |
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Twin Reverb II Biasing Question
Started by dpm309 |
7 Replies
5253 Views |
August 21, 2022, 03:45:12 pm by dpm309 |
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4 Replies
3871 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
5620 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
5413 Views |
August 20, 2022, 05:16:40 pm by Williamblake |
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Gibson GA50 question
Started by Leevi |
3 Replies
4095 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
3981 Views |
August 20, 2022, 04:34:56 am by zircontweezer |
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10 Replies
6419 Views |
August 19, 2022, 09:22:57 pm by DummyLoad |
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14 Replies
5761 Views |
August 19, 2022, 07:44:47 pm by Coldhand75 |
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6JB6A in a guitar amp
Started by Hojvaelde |
7 Replies
5580 Views |
August 19, 2022, 04:03:55 pm by PRR |
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Vibrochamp tremolo question
Started by Esquirefreak |
1 Replies
3388 Views |
August 18, 2022, 07:45:07 pm by tubeswell |
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RC4558 OP Amp Voltage Max
Started by plexi50 |
11 Replies
6082 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
12113 Views |
August 17, 2022, 06:53:32 pm by PRR |
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3 Replies
3657 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
3409 Views |
August 17, 2022, 02:00:57 pm by sluckey |
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4 Replies
4505 Views |
August 17, 2022, 10:57:01 am by dude |
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Preamp voltage and tone Question
Started by tubenit |
10 Replies
6836 Views |
August 16, 2022, 11:20:30 am by shooter |
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twisting B+ leads
Started by joesatch |
4 Replies
3819 Views |
August 16, 2022, 10:07:38 am by tubeswell |
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too much gain on Ef86 Vox Ac15
Started by rafaelctt |
22 Replies
10215 Views |
August 16, 2022, 01:39:53 am by rafaelctt |
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Q re: mixing circuit for Marshall’s
Started by RobBozic |
12 Replies
5689 Views |
August 15, 2022, 11:45:32 pm by Ed_Chambley |
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Reverb tank impedances
Started by isaac_teller |
3 Replies
3675 Views |
August 14, 2022, 12:05:01 am by isaac_teller |
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A jillion things to ground and to where?
Started by MrBreeze |
9 Replies
5082 Views |
August 13, 2022, 08:08:31 am by EL34 |
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Having Trouble With the Math!!
Started by imgumby001 |
8 Replies
4381 Views |
August 12, 2022, 06:13:30 pm by imgumby001 |
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Ampeg Gemini 1 Tremelo Problem (AGAIN)
Started by plexi50 |
19 Replies
8729 Views |
August 12, 2022, 03:26:58 pm by plexi50 |
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19 Replies
16591 Views |
August 12, 2022, 09:05:29 am by wsscott |
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3 Replies
3665 Views |
August 12, 2022, 01:30:37 am by Esquirefreak |
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Over Capacitance
Started by jaster55 |
9 Replies
4918 Views |
August 12, 2022, 01:25:04 am by jaster55 |
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New amp start up trouble
Started by Bieworm |
46 Replies
14139 Views |
August 12, 2022, 12:32:00 am by Bieworm |
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5F1M Champ Micro Build
Started by EricR |
4 Replies
4610 Views |
August 11, 2022, 09:04:12 pm by EricR |
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Dual PPIMV? Anyone?
Started by Ledvedder |
2 Replies
3435 Views |
August 11, 2022, 06:18:31 pm by acheld |
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