Welcome To the Hoffman Amplifiers Forum
October 22, 2025, 10:45:09 pm
Welcome To the Hoffman Amplifiers ForumOctober 22, 2025, 10:45:09 pm | ||
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AA864 musing 6L6 to 6V6
Started by ok_state_blues |
8 Replies
2636 Views |
October 12, 2021, 10:57:58 pmby ok_state_blues |
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OT and PT orientation
Started by dude |
24 Replies
5348 Views |
October 12, 2021, 09:56:36 pm by sluckey |
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8 Replies
3612 Views |
October 12, 2021, 06:47:14 pm by sluckey |
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Which 15-20W amp has most clean headroom?
Started by acheld |
39 Replies
8987 Views |
October 12, 2021, 07:46:07 am by jordan86 |
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0 Replies
2014 Views |
October 11, 2021, 09:27:33 pm by timmyjoe |
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7 Replies
2832 Views |
October 11, 2021, 12:48:52 pm by sluckey |
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A look inside a Dr. Z Maz Jr.
Started by DuaneOh |
17 Replies
9349 Views |
October 10, 2021, 09:42:14 pm by DougGuy |
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Full wave bias supply
Started by Vlada |
20 Replies
4589 Views |
October 10, 2021, 05:25:20 pm by HotBluePlates |
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4 Replies
2354 Views |
October 09, 2021, 11:25:13 am by texwest |
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noise coming from reverb recovery circuit
Started by phsyconoodler « 1 2 » |
53 Replies
17381 Views |
October 09, 2021, 02:31:31 am by Leevi |
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gibson falcon ga-19rvt
Started by DummyLoad |
15 Replies
9545 Views |
October 08, 2021, 04:19:20 pm by mmaguire9 |
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2 Replies
1659 Views |
October 08, 2021, 10:00:17 am by acheld |
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Well, I've never built a reverb...
Started by dwinstonwood |
7 Replies
2531 Views |
October 08, 2021, 07:12:41 am by 66Strat |
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Star washers for pots.
Started by joesatch |
15 Replies
4502 Views |
October 07, 2021, 10:19:56 pm by Willabe |
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Capacitor Voltage ever too high?
Started by timmyjoe |
9 Replies
4068 Views |
October 06, 2021, 08:40:49 pm by Willabe |
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DeOxit question.
Started by dragonworks |
10 Replies
3285 Views |
October 06, 2021, 06:22:28 pm by sluckey |
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Multi Meter Provides a Path to Ground?
Started by jewishjay |
13 Replies
3264 Views |
October 06, 2021, 04:03:41 pm by pdf64 |
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Building a LBL question
Started by dragonworks |
8 Replies
2747 Views |
October 06, 2021, 12:06:54 am by thetragichero |
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67 Vibro Champ
Started by dude |
35 Replies
7369 Views |
October 05, 2021, 08:32:47 pm by dude |
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RCA 6L6 GC
Started by dude |
3 Replies
1774 Views |
October 05, 2021, 06:37:19 pm by HotBluePlates |
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Bias supply "idiot resistor"
Started by PharmRock |
4 Replies
3042 Views |
October 05, 2021, 08:43:07 am by sluckey |
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Single triode 9 pin valve
Started by TIMBO |
5 Replies
3337 Views |
October 04, 2021, 09:47:56 pm by glass54 |
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20 Replies
5059 Views |
October 04, 2021, 09:31:48 pm by PRR |
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Tolex Glue Alternative?
Started by vintasonic |
17 Replies
6129 Views |
October 04, 2021, 03:59:10 pm by alerich |
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6G3 build buzz
Started by Bieworm |
18 Replies
4931 Views |
October 04, 2021, 03:58:01 pm by Bieworm |
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Updated Tube Comparison Table
Started by HotBluePlates |
9 Replies
4991 Views |
October 04, 2021, 09:31:12 am by 66Strat |
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17 Replies
10162 Views |
October 04, 2021, 02:50:34 am by jojokeo |
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5 Replies
3412 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
7652 Views |
October 03, 2021, 05:18:02 am by sluckey |
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Shocking!
Started by tubesornothing |
4 Replies
2056 Views |
October 03, 2021, 12:13:39 am by PRR |
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Single 12AT7 Circuit Design
Started by Jolly |
13 Replies
7462 Views |
October 02, 2021, 02:00:41 pm by Jolly |
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My Champ Reverb Build
Started by RadioComm |
0 Replies
2087 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
2274 Views |
September 30, 2021, 10:07:02 pm by Prento |
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Output Jack Modification Help
Started by fenderguy81 |
5 Replies
2029 Views |
September 30, 2021, 12:56:51 pm by vintasonic |
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16 Replies
4238 Views |
September 30, 2021, 10:27:19 am by Pinball |
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95 Replies
14030 Views |
September 30, 2021, 07:12:28 am by wsscott |
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32 Replies
8403 Views |
September 29, 2021, 10:59:21 pm by Jim Nasium |
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83 Replies
17244 Views |
September 29, 2021, 05:14:25 pm by Willabe |
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Bias changes with tube angle?
Started by vintasonic |
0 Replies
1838 Views |
September 29, 2021, 04:58:27 pm by vintasonic |
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4 Replies
1952 Views |
September 29, 2021, 02:58:51 pm by kagliostro |
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12 Replies
4836 Views |
September 29, 2021, 12:59:02 pm by sluckey |
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AB763 Brass grounding plate source?
Started by joesatch |
29 Replies
6539 Views |
September 29, 2021, 12:48:17 pm by sluckey |
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16 Replies
4484 Views |
September 29, 2021, 12:10:36 pm by PRR |
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7 Replies
2372 Views |
September 29, 2021, 09:15:19 am by judgeamps |
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Hoffman Stout TMB Bias problem
Started by Bigjoedo |
3 Replies
1804 Views |
September 28, 2021, 04:45:40 pm by Bigjoedo |
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3 Replies
2021 Views |
September 28, 2021, 01:26:23 pm by gfarina55 |
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AB763, Bias voltage issue?
Started by AnalogDok |
35 Replies
7912 Views |
September 28, 2021, 09:53:43 am by sluckey |
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AB763 Trem & Verb not working
Started by jewishjay |
7 Replies
2586 Views |
September 27, 2021, 09:23:26 pm by jewishjay |
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More 6G15 questions
Started by prongster |
1 Replies
1473 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
1867 Views |
September 27, 2021, 09:49:25 am by Willabe |
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