Welcome To the Hoffman Amplifiers Forum
August 29, 2026, 08:30:39 pm
Welcome To the Hoffman Amplifiers ForumAugust 29, 2026, 08:30:39 pm | ||
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2 Replies
3668 Views |
January 15, 2024, 07:37:52 pmby PRR |
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30 Replies
11334 Views |
January 15, 2024, 04:34:36 pm by shooter |
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12ax7 mic. preamp overdriving itself
Started by Toxophilite |
18 Replies
7670 Views |
January 15, 2024, 11:30:42 am by pdf64 |
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17 Replies
7002 Views |
January 15, 2024, 09:48:17 am by dwinstonwood |
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Oscilloscopes advice.
Started by slash1986 |
6 Replies
6293 Views |
January 15, 2024, 04:37:13 am by Latole |
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2 Replies
3968 Views |
January 14, 2024, 08:31:31 pm by HotBluePlates |
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26 Replies
11089 Views |
January 14, 2024, 05:15:52 am by pdf64 |
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Sano 300 - A pair of questions
Started by kagliostro |
6 Replies
5052 Views |
January 13, 2024, 06:10:44 pm by PRR |
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0 Replies
3488 Views |
January 13, 2024, 05:54:14 pm by sluckey |
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9 Replies
5411 Views |
January 12, 2024, 07:30:45 pm by mresistor |
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3 Replies
4215 Views |
January 12, 2024, 04:56:16 pm by PRR |
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AB763 single channel PT smoked
Started by RoadShow |
16 Replies
7572 Views |
January 12, 2024, 11:00:29 am by RoadShow |
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ReVibe Project
Started by TIMBO |
22 Replies
8360 Views |
January 12, 2024, 03:19:43 am by shooter |
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Marshall VS100 Repurpose
Started by TIMBO |
27 Replies
12063 Views |
January 12, 2024, 01:18:45 am by TIMBO |
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Pro Reverb Cap job and going through.
Started by proaudioguy |
32 Replies
10067 Views |
January 11, 2024, 08:24:17 pm by proaudioguy |
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16 Replies
8318 Views |
January 11, 2024, 02:46:40 pm by Show Me Guitars |
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EF 86 Microphone preamp circuit
Started by Toxophilite |
45 Replies
19018 Views |
January 11, 2024, 01:06:49 pm by Toxophilite |
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7 Replies
5270 Views |
January 11, 2024, 09:54:46 am by mresistor |
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Victor Animatograph repurpose
Started by shaun |
3 Replies
6074 Views |
January 11, 2024, 08:06:41 am by shaun |
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tap testing tubes.
Started by joesatch |
19 Replies
7852 Views |
January 10, 2024, 06:31:57 pm by kagliostro |
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6AU8 for PP and PI
Started by scstill |
1 Replies
4127 Views |
January 10, 2024, 04:42:26 pm by tubenit |
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Cracklin' Fender Bassman 135
Started by jonathan_kea |
6 Replies
4916 Views |
January 10, 2024, 01:43:50 pm by jonathan_kea |
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7 Replies
5540 Views |
January 10, 2024, 12:32:43 pm by Colas LeGrippa |
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AB763 Pre Amp Section Issue
Started by tdvt |
5 Replies
4481 Views |
January 10, 2024, 11:35:16 am by tdvt |
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Re-capping a Fender Studio bass
Started by pbman1953 |
8 Replies
6277 Views |
January 10, 2024, 07:31:51 am by pbman1953 |
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VOX AC15TBX Power Tubes
Started by plexi50 |
0 Replies
4060 Views |
January 09, 2024, 03:24:56 pm by plexi50 |
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32 Replies
12262 Views |
January 08, 2024, 07:48:15 pm by PRR |
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7 Replies
4918 Views |
January 08, 2024, 03:39:42 pm by tkreeve |
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12 Replies
7460 Views |
January 08, 2024, 01:09:08 pm by sluckey |
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79 Replies
32364 Views |
January 08, 2024, 09:09:51 am by Loomer |
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12 Replies
5962 Views |
January 08, 2024, 07:11:39 am by EL34 |
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Vox AC4HW1 Hum
Started by plexi50 |
21 Replies
9882 Views |
January 08, 2024, 12:35:09 am by Bieworm |
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PP EL84 tone problem
Started by MarcinD |
48 Replies
16743 Views |
January 08, 2024, 12:30:40 am by AlNewman |
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Mullard EZ81
Started by dwinstonwood |
6 Replies
5567 Views |
January 07, 2024, 07:37:16 pm by dwinstonwood |
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B-52 AT100 Low output
Started by drjones1106 |
10 Replies
11344 Views |
January 07, 2024, 05:22:18 pm by sluckey |
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76 Twin Reverb SF 100W: 100Hz hum
Started by Lambertini |
12 Replies
6696 Views |
January 07, 2024, 04:33:19 pm by Lambertini |
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6 Replies
4194 Views |
January 07, 2024, 01:38:12 pm by kagliostro |
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Voltage divider question
Started by dwinstonwood |
11 Replies
5686 Views |
January 07, 2024, 10:31:21 am by JPK |
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Board-mounted-tube module Champ Reverb build
Started by tdvt |
7 Replies
4916 Views |
January 06, 2024, 10:15:53 pm by jjasilli |
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odd tubes....
Started by Jonas |
8 Replies
5381 Views |
January 05, 2024, 09:35:19 pm by HotBluePlates |
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6 Replies
4826 Views |
January 05, 2024, 09:16:29 pm by HotBluePlates |
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6G2 Power Transformer Spec
Started by electrical |
5 Replies
6478 Views |
January 05, 2024, 04:13:12 pm by dogburn |
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Help identifying an issue and a fix
Started by boodle |
15 Replies
7346 Views |
January 05, 2024, 03:48:47 pm by Wonder2121 |
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2 Replies
3686 Views |
January 05, 2024, 03:39:25 pm by rafe |
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4 Replies
5074 Views |
January 05, 2024, 03:15:45 pm by WimWalther |
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Friedman DS40 type build with pics
Started by daveyajd |
5 Replies
5792 Views |
January 05, 2024, 01:59:31 pm by fast960 |
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AB763 Normal Channel Only?
Started by hiegdk |
23 Replies
9518 Views |
January 04, 2024, 01:23:33 pm by tdvt |
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7 Replies
5259 Views |
January 04, 2024, 10:51:08 am by WimWalther |
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Humdinger question
Started by joesatch |
20 Replies
9369 Views |
January 03, 2024, 08:55:03 pm by WimWalther |
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13 Replies
6751 Views |
January 03, 2024, 05:49:55 pm by boodle |
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