Welcome To the Hoffman Amplifiers Forum
December 08, 2025, 12:20:14 pm
Welcome To the Hoffman Amplifiers ForumDecember 08, 2025, 12:20:14 pm | ||
| Subject / Started by | Replies / Views | Last post  |
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| Bieworm and 75 Guests are viewing this board. | ||||
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Multi Meter Provides a Path to Ground?
Started by jewishjay |
13 Replies
3672 Views |
October 06, 2021, 04:03:41 pmby pdf64 |
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Building a LBL question
Started by dragonworks |
8 Replies
3158 Views |
October 06, 2021, 12:06:54 am by thetragichero |
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67 Vibro Champ
Started by dude |
35 Replies
8379 Views |
October 05, 2021, 08:32:47 pm by dude |
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RCA 6L6 GC
Started by dude |
3 Replies
2031 Views |
October 05, 2021, 06:37:19 pm by HotBluePlates |
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Bias supply "idiot resistor"
Started by PharmRock |
4 Replies
3349 Views |
October 05, 2021, 08:43:07 am by sluckey |
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Single triode 9 pin valve
Started by TIMBO |
5 Replies
3655 Views |
October 04, 2021, 09:47:56 pm by glass54 |
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20 Replies
5722 Views |
October 04, 2021, 09:31:48 pm by PRR |
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Tolex Glue Alternative?
Started by vintasonic |
17 Replies
6695 Views |
October 04, 2021, 03:59:10 pm by alerich |
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6G3 build buzz
Started by Bieworm |
18 Replies
5494 Views |
October 04, 2021, 03:58:01 pm by Bieworm |
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Updated Tube Comparison Table
Started by HotBluePlates |
9 Replies
5539 Views |
October 04, 2021, 09:31:12 am by 66Strat |
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17 Replies
10700 Views |
October 04, 2021, 02:50:34 am by jojokeo |
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5 Replies
3990 Views |
October 03, 2021, 11:12:59 am by kagliostro |
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Help with Stout Build - Low output
Started by Garrett335 |
41 Replies
8486 Views |
October 03, 2021, 05:18:02 am by sluckey |
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Shocking!
Started by tubesornothing |
4 Replies
2370 Views |
October 03, 2021, 12:13:39 am by PRR |
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Single 12AT7 Circuit Design
Started by Jolly |
13 Replies
8069 Views |
October 02, 2021, 02:00:41 pm by Jolly |
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My Champ Reverb Build
Started by RadioComm |
0 Replies
2342 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
2542 Views |
September 30, 2021, 10:07:02 pm by Prento |
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Output Jack Modification Help
Started by fenderguy81 |
5 Replies
2342 Views |
September 30, 2021, 12:56:51 pm by vintasonic |
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16 Replies
4671 Views |
September 30, 2021, 10:27:19 am by Pinball |
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95 Replies
15481 Views |
September 30, 2021, 07:12:28 am by wsscott |
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32 Replies
9180 Views |
September 29, 2021, 10:59:21 pm by Jim Nasium |
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83 Replies
19229 Views |
September 29, 2021, 05:14:25 pm by Willabe |
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Bias changes with tube angle?
Started by vintasonic |
0 Replies
2090 Views |
September 29, 2021, 04:58:27 pm by vintasonic |
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4 Replies
2278 Views |
September 29, 2021, 02:58:51 pm by kagliostro |
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12 Replies
5333 Views |
September 29, 2021, 12:59:02 pm by sluckey |
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AB763 Brass grounding plate source?
Started by joesatch |
29 Replies
7514 Views |
September 29, 2021, 12:48:17 pm by sluckey |
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16 Replies
5008 Views |
September 29, 2021, 12:10:36 pm by PRR |
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7 Replies
2743 Views |
September 29, 2021, 09:15:19 am by judgeamps |
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Hoffman Stout TMB Bias problem
Started by Bigjoedo |
3 Replies
2048 Views |
September 28, 2021, 04:45:40 pm by Bigjoedo |
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3 Replies
2407 Views |
September 28, 2021, 01:26:23 pm by gfarina55 |
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AB763, Bias voltage issue?
Started by AnalogDok |
35 Replies
8652 Views |
September 28, 2021, 09:53:43 am by sluckey |
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AB763 Trem & Verb not working
Started by jewishjay |
7 Replies
3019 Views |
September 27, 2021, 09:23:26 pm by jewishjay |
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More 6G15 questions
Started by prongster |
1 Replies
1719 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
2158 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
2699 Views |
September 26, 2021, 07:39:06 pm by balokker |
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Princeton Reverb 240Hz Hum
Started by dajazzman |
7 Replies
2745 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
4392 Views |
September 26, 2021, 05:28:51 pm by 72Blazer |
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Univox Bias Rectifier Information
Started by astronomicum |
6 Replies
2385 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
3300 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
16667 Views |
September 25, 2021, 07:09:17 pm by shooter |
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8 Replies
4198 Views |
September 25, 2021, 06:17:34 pm by jordan86 |
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sizzling bacon, 5E3
Started by TWANG |
5 Replies
2643 Views |
September 25, 2021, 04:20:03 pm by sluckey |
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3 Replies
2256 Views |
September 25, 2021, 06:57:15 am by CascoSieg |
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66 Replies
13316 Views |
September 24, 2021, 07:47:14 pm by eggbert |
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Modern KT77 remakes
Started by Willabe |
7 Replies
3296 Views |
September 23, 2021, 09:32:26 pm by SoundmasterG |
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0 Replies
2388 Views |
September 23, 2021, 10:10:29 am by pbman1953 |
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7 Replies
2686 Views |
September 23, 2021, 01:25:59 am by FranciscoPerez |
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Heaters to high
Started by Tone Junkie |
11 Replies
3177 Views |
September 22, 2021, 10:49:23 pm by Tone Junkie |
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23 Replies
6415 Views |
September 22, 2021, 06:56:42 pm by judgeamps |
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61 Replies
14242 Views |
September 22, 2021, 05:07:25 pm by AnalogDok |
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