Welcome To the Hoffman Amplifiers Forum
July 14, 2026, 09:35:51 am
Welcome To the Hoffman Amplifiers ForumJuly 14, 2026, 09:35:51 am | ||
| Subject / Started by | Replies / Views | Last post  |
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| 0 Members and 74 Guests are viewing this board. | ||||
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EF86 Microphonics and RF coupling?
Started by Jalmeida |
1 Replies
3733 Views |
May 23, 2023, 12:46:50 pmby Williamblake |
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Rob Robinette Champ Micro Build
Started by AndrewD |
6 Replies
5414 Views |
May 23, 2023, 06:45:35 am by kagliostro |
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Weird power amp wiring
Started by Leevi |
3 Replies
4167 Views |
May 22, 2023, 04:13:35 pm by PRR |
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21 Replies
10005 Views |
May 22, 2023, 04:32:28 am by pdf64 |
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8 Replies
5766 Views |
May 21, 2023, 08:27:23 pm by bmccowan |
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Gibson GA-18T Tremolo
Started by Blooze |
10 Replies
6977 Views |
May 21, 2023, 09:05:14 am by sluckey |
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1 Replies
4065 Views |
May 20, 2023, 07:37:59 pm by 72Blazer |
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PP valve amp KT88 BIAS-question
Started by cfortner |
22 Replies
9146 Views |
May 20, 2023, 04:36:51 pm by cfortner |
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Filmosound 202 Help
Started by oogabooga23 |
6 Replies
5650 Views |
May 20, 2023, 12:27:31 pm by BrainDeadAmps |
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139 Replies
46395 Views |
May 19, 2023, 09:00:02 pm by acheld |
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Vox AC15C1 Burning 5 Watt Resistors
Started by Pavels07 |
10 Replies
7479 Views |
May 19, 2023, 05:32:46 pm by AmberB |
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Channel switch grid reference
Started by BrainDeadAmps |
2 Replies
4635 Views |
May 19, 2023, 04:05:08 pm by BrainDeadAmps |
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32 Replies
14981 Views |
May 18, 2023, 11:34:09 am by munkeyboy |
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13 Replies
8791 Views |
May 18, 2023, 08:41:41 am by sluckey |
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Fender Twin Reverb Troubleshooting
Started by NoDough |
20 Replies
12338 Views |
May 17, 2023, 10:36:04 pm by mresistor |
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How to read B+ current on my '69 Vox AC30?
Started by jhanly |
11 Replies
6671 Views |
May 17, 2023, 07:14:36 am by jhanly |
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SE Amp Project
Started by Rontone |
7 Replies
5403 Views |
May 16, 2023, 11:15:23 pm by AmberB |
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4 Replies
4710 Views |
May 16, 2023, 09:21:45 pm by Buck Webster |
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Line out Issue
Started by BrainDeadAmps |
4 Replies
4929 Views |
May 16, 2023, 04:49:18 pm by sluckey |
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What to build?
Started by squierstrat |
11 Replies
5783 Views |
May 16, 2023, 02:38:12 pm by squierstrat |
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Hammond 290 Series Ratings
Started by W5FH |
8 Replies
6986 Views |
May 16, 2023, 10:27:54 am by acheld |
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cathode follower and the preceeding stage
Started by 12AX7 |
18 Replies
10301 Views |
May 16, 2023, 06:53:30 am by marshallguy |
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AB763 nornal channel mod
Started by joesatch |
13 Replies
6345 Views |
May 16, 2023, 04:58:14 am by dwinstonwood |
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Single ended "Mariace" finished
Started by rafaelctt |
9 Replies
6306 Views |
May 16, 2023, 12:27:18 am by rafaelctt |
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Vox AC15C1 reverb tank question
Started by Electron Tornado |
1 Replies
4092 Views |
May 15, 2023, 03:20:27 am by Latole |
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Anti-parallel rectifier
Started by BrainDeadAmps |
9 Replies
5792 Views |
May 14, 2023, 09:01:12 am by astronomicum |
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My amp build sounds like a theremin
Started by Duncan |
20 Replies
9445 Views |
May 14, 2023, 07:24:01 am by sluckey |
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16 Replies
8346 Views |
May 13, 2023, 06:17:14 pm by sluckey |
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Epiphone Electar Century AC-DC 1940
Started by Apexelectric |
27 Replies
14244 Views |
May 13, 2023, 01:36:01 pm by TheAudioMechanic |
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Less is more: 25uF instead of 50
Started by Colas LeGrippa |
4 Replies
5028 Views |
May 13, 2023, 08:58:30 am by Colas LeGrippa |
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Fender Musicmaster Bass Amp
Started by TIMBO |
20 Replies
18883 Views |
May 13, 2023, 04:31:39 am by TIMBO |
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Driver for KT88 quad?
Started by Balticnoiseforge |
8 Replies
6346 Views |
May 13, 2023, 02:08:59 am by Balticnoiseforge |
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Princeton Reverb with 6AQ5 tubes
Started by Bieworm |
17 Replies
10114 Views |
May 12, 2023, 04:14:58 pm by Bieworm |
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10 Replies
5967 Views |
May 12, 2023, 03:36:46 pm by tubenit |
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Low Voltage JTM45 - Maybe?
Started by dbishopbliss |
8 Replies
6779 Views |
May 12, 2023, 10:28:21 am by pdf64 |
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2 Replies
4251 Views |
May 12, 2023, 10:27:08 am by Platefire |
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6G7A Bandmaster Tremolo Noise?
Started by jazjamr |
3 Replies
4394 Views |
May 10, 2023, 07:43:10 am by jazjamr |
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6P1P wiring
Started by Bieworm |
3 Replies
4864 Views |
May 09, 2023, 03:12:25 pm by HotBluePlates |
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Head cab shielding
Started by Blooze |
8 Replies
5771 Views |
May 09, 2023, 01:15:01 pm by AlNewman |
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Hoffman Stout Reverb Mod?
Started by Lectroid |
14 Replies
6460 Views |
May 09, 2023, 11:37:26 am by tubenit |
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UF4007 diode
Started by dude |
11 Replies
7176 Views |
May 09, 2023, 10:48:42 am by dude |
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73 Replies
25971 Views |
May 08, 2023, 10:10:31 pm by martiro7 |
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7 Replies
5946 Views |
May 08, 2023, 11:42:58 am by jackplug1 |
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4 Replies
6061 Views |
May 08, 2023, 07:46:12 am by sluckey |
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Low Voltage Tube for Learning?
Started by AndrewD |
12 Replies
6643 Views |
May 07, 2023, 07:18:26 am by HotBluePlates |
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Help Identifying Newcomb Amplifier
Started by W5FH |
3 Replies
4667 Views |
May 06, 2023, 04:34:37 pm by W5FH |
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Amplifier noisy nothing plugged
Started by Colas LeGrippa |
9 Replies
5429 Views |
May 05, 2023, 04:36:29 pm by Colas LeGrippa |
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Marshall 2550 leds
Started by Leevi |
1 Replies
4138 Views |
May 05, 2023, 03:09:07 am by pdf64 |
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Uneven/unbalanced heater voltage
Started by Duncan |
6 Replies
5224 Views |
May 04, 2023, 03:55:47 pm by Duncan |
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5 Replies
4917 Views |
May 04, 2023, 12:36:53 pm by pdf64 |
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