Welcome To the Hoffman Amplifiers Forum
April 26, 2026, 05:57:00 pm
Welcome To the Hoffman Amplifiers ForumApril 26, 2026, 05:57:00 pm | ||
| Subject / Started by | Replies / Views | Last post  |
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| 0 Members and 15 Guests are viewing this board. | ||||
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Single 12AT7 Circuit Design
Started by Jolly |
13 Replies
10057 Views |
October 02, 2021, 02:00:41 pmby Jolly |
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My Champ Reverb Build
Started by RadioComm |
0 Replies
3731 Views |
October 02, 2021, 11:38:48 am by RadioComm |
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Ab763 lite c6, r13, r14 switch out
Started by Prento |
8 Replies
3576 Views |
September 30, 2021, 10:07:02 pm by Prento |
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Output Jack Modification Help
Started by fenderguy81 |
5 Replies
3548 Views |
September 30, 2021, 12:56:51 pm by vintasonic |
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16 Replies
6351 Views |
September 30, 2021, 10:27:19 am by Pinball |
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95 Replies
20638 Views |
September 30, 2021, 07:12:28 am by wsscott |
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32 Replies
11919 Views |
September 29, 2021, 10:59:21 pm by Jim Nasium |
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83 Replies
25394 Views |
September 29, 2021, 05:14:25 pm by Willabe |
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Bias changes with tube angle?
Started by vintasonic |
0 Replies
3528 Views |
September 29, 2021, 04:58:27 pm by vintasonic |
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4 Replies
3468 Views |
September 29, 2021, 02:58:51 pm by kagliostro |
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12 Replies
7110 Views |
September 29, 2021, 12:59:02 pm by sluckey |
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AB763 Brass grounding plate source?
Started by joesatch |
29 Replies
10509 Views |
September 29, 2021, 12:48:17 pm by sluckey |
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16 Replies
6768 Views |
September 29, 2021, 12:10:36 pm by PRR |
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7 Replies
4194 Views |
September 29, 2021, 09:15:19 am by judgeamps |
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Hoffman Stout TMB Bias problem
Started by Bigjoedo |
3 Replies
3110 Views |
September 28, 2021, 04:45:40 pm by Bigjoedo |
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3 Replies
3665 Views |
September 28, 2021, 01:26:23 pm by gfarina55 |
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AB763, Bias voltage issue?
Started by AnalogDok |
35 Replies
11203 Views |
September 28, 2021, 09:53:43 am by sluckey |
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AB763 Trem & Verb not working
Started by jewishjay |
7 Replies
4465 Views |
September 27, 2021, 09:23:26 pm by jewishjay |
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More 6G15 questions
Started by prongster |
1 Replies
2817 Views |
September 27, 2021, 03:21:10 pm by HotBluePlates |
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Adding TMB to a champ clone....
Started by Stuff4bikes |
3 Replies
3347 Views |
September 27, 2021, 09:49:25 am by Willabe |
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Jcm 2000 tsl 60 efx loop
Started by jcm-jmp |
1 Replies
3730 Views |
September 26, 2021, 07:39:06 pm by balokker |
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Princeton Reverb 240Hz Hum
Started by dajazzman |
7 Replies
4178 Views |
September 26, 2021, 05:40:00 pm by dajazzman |
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FSR AB763 Channel 2 noise in new build
Started by 72Blazer |
20 Replies
6854 Views |
September 26, 2021, 05:28:51 pm by 72Blazer |
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Univox Bias Rectifier Information
Started by astronomicum |
6 Replies
3511 Views |
September 26, 2021, 08:13:24 am by astronomicum |
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Mods for Orange Rockerverb MkIII
Started by S.o.be |
0 Replies
5022 Views |
September 26, 2021, 12:41:48 am by S.o.be |
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Filmosound 385 Conversion Schematic
Started by timmyjoe |
8 Replies
19076 Views |
September 25, 2021, 07:09:17 pm by shooter |
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8 Replies
5735 Views |
September 25, 2021, 06:17:34 pm by jordan86 |
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sizzling bacon, 5E3
Started by TWANG |
5 Replies
3921 Views |
September 25, 2021, 04:20:03 pm by sluckey |
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3 Replies
3415 Views |
September 25, 2021, 06:57:15 am by CascoSieg |
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66 Replies
16947 Views |
September 24, 2021, 07:47:14 pm by eggbert |
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Modern KT77 remakes
Started by Willabe |
7 Replies
4715 Views |
September 23, 2021, 09:32:26 pm by SoundmasterG |
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0 Replies
4345 Views |
September 23, 2021, 10:10:29 am by pbman1953 |
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7 Replies
3969 Views |
September 23, 2021, 01:25:59 am by FranciscoPerez |
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Heaters to high
Started by Tone Junkie |
11 Replies
4551 Views |
September 22, 2021, 10:49:23 pm by Tone Junkie |
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23 Replies
8626 Views |
September 22, 2021, 06:56:42 pm by judgeamps |
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61 Replies
20008 Views |
September 22, 2021, 05:07:25 pm by AnalogDok |
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Traynor YBA-4
Started by 1blueheron « 1 2 » |
63 Replies
24626 Views |
September 22, 2021, 11:49:22 am by thetragichero |
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SE 5879 Oscillation at Full Volume
Started by RWood |
11 Replies
6151 Views |
September 21, 2021, 08:45:44 pm by RWood |
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114 Replies
30023 Views |
September 21, 2021, 08:37:10 pm by gfarina55 |
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Magnatone M15 reverb circuit problem.
Started by dragonworks |
18 Replies
6801 Views |
September 21, 2021, 12:57:38 pm by dragonworks |
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EL84 amps
Started by Mehfuzhoss |
1 Replies
3293 Views |
September 20, 2021, 08:01:40 pm by labb |
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14 Replies
5895 Views |
September 20, 2021, 06:56:46 pm by Platefire |
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Bias without standby switch
Started by Keppy |
7 Replies
4947 Views |
September 20, 2021, 09:49:46 am by pdf64 |
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4 Replies
3508 Views |
September 19, 2021, 08:35:06 pm by jordan86 |
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New tubes vs. Used tubes
Started by Rickinbeachcrest |
7 Replies
3649 Views |
September 19, 2021, 04:18:53 pm by dude |
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18 Replies
6804 Views |
September 19, 2021, 02:47:12 pm by HotBluePlates |
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6 Replies
4882 Views |
September 18, 2021, 11:51:16 pm by Fresh_Start |
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Tube / SS Rectification
Started by joesatch |
25 Replies
8177 Views |
September 18, 2021, 10:42:25 pm by Keppy |
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Ampeg Echo Twin
Started by dragonworks |
29 Replies
8422 Views |
September 18, 2021, 07:16:29 pm by Willabe |
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2 Replies
3332 Views |
September 18, 2021, 04:00:05 pm by tubeswell |
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