Welcome To the Hoffman Amplifiers Forum
January 24, 2026, 05:20:14 am
Welcome To the Hoffman Amplifiers ForumJanuary 24, 2026, 05:20:14 am | ||
| Subject / Started by | Replies / Views | Last post  |
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| 0 Members and 37 Guests are viewing this board. | ||||
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presence control not working
Started by punkykatt |
7 Replies
3225 Views |
October 16, 2021, 10:00:02 amby punkykatt |
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Blank JTM 45 Chassis source?
Started by dragonbat13 |
12 Replies
4373 Views |
October 16, 2021, 12:26:51 am by Tone Junkie |
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6420 tone control buzzy?
Started by ampnewbie |
2 Replies
2367 Views |
October 15, 2021, 10:12:26 pm by ampnewbie |
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Fender Blues Jr Build - Amp Noise
Started by Tbone55 |
14 Replies
5306 Views |
October 15, 2021, 07:29:47 pm by Tbone55 |
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120Hz hum starts when amp warms up?
Started by premiumplus |
16 Replies
5437 Views |
October 15, 2021, 07:29:13 pm by premiumplus |
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5e3 power tube grid stoppers
Started by John Clifford |
2 Replies
3309 Views |
October 15, 2021, 02:20:00 pm by John Clifford |
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6 Replies
3764 Views |
October 15, 2021, 02:04:45 pm by Sesh |
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0 Replies
2410 Views |
October 15, 2021, 09:51:52 am by EL34 |
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ac in proximity to octal power tube
Started by joesatch |
1 Replies
2486 Views |
October 13, 2021, 07:38:11 pm by glass54 |
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Savage Rohr 15 class A?
Started by John Clifford |
23 Replies
6820 Views |
October 13, 2021, 04:40:28 pm by pdf64 |
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Cathode bias R
Started by dude |
19 Replies
5872 Views |
October 13, 2021, 10:59:03 am by Willabe |
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AA864 musing 6L6 to 6V6
Started by ok_state_blues |
8 Replies
3517 Views |
October 12, 2021, 10:57:58 pm by ok_state_blues |
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OT and PT orientation
Started by dude |
24 Replies
6845 Views |
October 12, 2021, 09:56:36 pm by sluckey |
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8 Replies
4437 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
10896 Views |
October 12, 2021, 07:46:07 am by jordan86 |
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0 Replies
2659 Views |
October 11, 2021, 09:27:33 pm by timmyjoe |
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7 Replies
3734 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
11002 Views |
October 10, 2021, 09:42:14 pm by DougGuy |
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Full wave bias supply
Started by Vlada |
20 Replies
5875 Views |
October 10, 2021, 05:25:20 pm by HotBluePlates |
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4 Replies
3105 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
20043 Views |
October 09, 2021, 02:31:31 am by Leevi |
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gibson falcon ga-19rvt
Started by DummyLoad |
15 Replies
10639 Views |
October 08, 2021, 04:19:20 pm by mmaguire9 |
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2 Replies
2312 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
3341 Views |
October 08, 2021, 07:12:41 am by 66Strat |
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Star washers for pots.
Started by joesatch |
15 Replies
5723 Views |
October 07, 2021, 10:19:56 pm by Willabe |
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Capacitor Voltage ever too high?
Started by timmyjoe |
9 Replies
5038 Views |
October 06, 2021, 08:40:49 pm by Willabe |
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DeOxit question.
Started by dragonworks |
10 Replies
4344 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
4195 Views |
October 06, 2021, 04:03:41 pm by pdf64 |
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Building a LBL question
Started by dragonworks |
8 Replies
3720 Views |
October 06, 2021, 12:06:54 am by thetragichero |
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67 Vibro Champ
Started by dude |
35 Replies
9646 Views |
October 05, 2021, 08:32:47 pm by dude |
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RCA 6L6 GC
Started by dude |
3 Replies
2419 Views |
October 05, 2021, 06:37:19 pm by HotBluePlates |
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Bias supply "idiot resistor"
Started by PharmRock |
4 Replies
3791 Views |
October 05, 2021, 08:43:07 am by sluckey |
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Single triode 9 pin valve
Started by TIMBO |
5 Replies
4136 Views |
October 04, 2021, 09:47:56 pm by glass54 |
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20 Replies
6437 Views |
October 04, 2021, 09:31:48 pm by PRR |
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Tolex Glue Alternative?
Started by vintasonic |
17 Replies
7342 Views |
October 04, 2021, 03:59:10 pm by alerich |
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6G3 build buzz
Started by Bieworm |
18 Replies
6265 Views |
October 04, 2021, 03:58:01 pm by Bieworm |
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17 Replies
11617 Views |
October 04, 2021, 02:50:34 am by jojokeo |
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5 Replies
4661 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
10089 Views |
October 03, 2021, 05:18:02 am by sluckey |
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Shocking!
Started by tubesornothing |
4 Replies
2821 Views |
October 03, 2021, 12:13:39 am by PRR |
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Single 12AT7 Circuit Design
Started by Jolly |
13 Replies
8814 Views |
October 02, 2021, 02:00:41 pm by Jolly |
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My Champ Reverb Build
Started by RadioComm |
0 Replies
2698 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
2899 Views |
September 30, 2021, 10:07:02 pm by Prento |
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Output Jack Modification Help
Started by fenderguy81 |
5 Replies
2756 Views |
September 30, 2021, 12:56:51 pm by vintasonic |
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16 Replies
5262 Views |
September 30, 2021, 10:27:19 am by Pinball |
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95 Replies
17442 Views |
September 30, 2021, 07:12:28 am by wsscott |
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32 Replies
10167 Views |
September 29, 2021, 10:59:21 pm by Jim Nasium |
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83 Replies
21647 Views |
September 29, 2021, 05:14:25 pm by Willabe |
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Bias changes with tube angle?
Started by vintasonic |
0 Replies
2480 Views |
September 29, 2021, 04:58:27 pm by vintasonic |
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4 Replies
2680 Views |
September 29, 2021, 02:58:51 pm by kagliostro |
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