Welcome To the Hoffman Amplifiers Forum
July 14, 2026, 09:35:51 am
Welcome To the Hoffman Amplifiers ForumJuly 14, 2026, 09:35:51 am | ||
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| 0 Members and 73 Guests are viewing this board. | ||||
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Output Transformer Question
Started by separateness |
6 Replies
4499 Views |
January 18, 2024, 06:58:40 amby shooter |
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22 Replies
10779 Views |
January 18, 2024, 04:34:44 am by pdf64 |
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changing bias vari to the roach
Started by proaudioguy |
26 Replies
10487 Views |
January 18, 2024, 02:41:49 am by proaudioguy |
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6V6 triode cool tone !!!!
Started by Colas LeGrippa |
7 Replies
5470 Views |
January 17, 2024, 04:06:37 pm by 66Strat |
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Adding Reverb
Started by jewishjay |
3 Replies
3644 Views |
January 17, 2024, 10:11:14 am by jewishjay |
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Sourcing Dual Concentric Knobs
Started by jordan86 |
11 Replies
8304 Views |
January 16, 2024, 11:54:50 pm by XYZGnomon |
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OT Proximity to Preamp..?
Started by tdvt |
2 Replies
3677 Views |
January 16, 2024, 05:53:12 pm by tdvt |
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Another OT question
Started by AlNewman |
6 Replies
4662 Views |
January 16, 2024, 04:05:16 pm by AlNewman |
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Need treble pot value
Started by punkykatt |
5 Replies
4234 Views |
January 16, 2024, 02:38:04 pm by punkykatt |
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2 Replies
3299 Views |
January 15, 2024, 07:37:52 pm by PRR |
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30 Replies
10326 Views |
January 15, 2024, 04:34:36 pm by shooter |
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12ax7 mic. preamp overdriving itself
Started by Toxophilite |
18 Replies
7034 Views |
January 15, 2024, 11:30:42 am by pdf64 |
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17 Replies
6408 Views |
January 15, 2024, 09:48:17 am by dwinstonwood |
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Oscilloscopes advice.
Started by slash1986 |
6 Replies
5785 Views |
January 15, 2024, 04:37:13 am by Latole |
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2 Replies
3597 Views |
January 14, 2024, 08:31:31 pm by HotBluePlates |
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26 Replies
10024 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
4598 Views |
January 13, 2024, 06:10:44 pm by PRR |
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0 Replies
3163 Views |
January 13, 2024, 05:54:14 pm by sluckey |
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9 Replies
4993 Views |
January 12, 2024, 07:30:45 pm by mresistor |
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3 Replies
3821 Views |
January 12, 2024, 04:56:16 pm by PRR |
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AB763 single channel PT smoked
Started by RoadShow |
16 Replies
6881 Views |
January 12, 2024, 11:00:29 am by RoadShow |
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ReVibe Project
Started by TIMBO |
22 Replies
7899 Views |
January 12, 2024, 03:19:43 am by shooter |
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Marshall VS100 Repurpose
Started by TIMBO |
27 Replies
11408 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
9208 Views |
January 11, 2024, 08:24:17 pm by proaudioguy |
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16 Replies
7682 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
17694 Views |
January 11, 2024, 01:06:49 pm by Toxophilite |
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7 Replies
4868 Views |
January 11, 2024, 09:54:46 am by mresistor |
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Victor Animatograph repurpose
Started by shaun |
3 Replies
5203 Views |
January 11, 2024, 08:06:41 am by shaun |
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tap testing tubes.
Started by joesatch |
19 Replies
7253 Views |
January 10, 2024, 06:31:57 pm by kagliostro |
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6AU8 for PP and PI
Started by scstill |
1 Replies
3811 Views |
January 10, 2024, 04:42:26 pm by tubenit |
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Cracklin' Fender Bassman 135
Started by jonathan_kea |
6 Replies
4491 Views |
January 10, 2024, 01:43:50 pm by jonathan_kea |
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7 Replies
5067 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
4085 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
5721 Views |
January 10, 2024, 07:31:51 am by pbman1953 |
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VOX AC15TBX Power Tubes
Started by plexi50 |
0 Replies
3693 Views |
January 09, 2024, 03:24:56 pm by plexi50 |
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32 Replies
11282 Views |
January 08, 2024, 07:48:15 pm by PRR |
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7 Replies
4426 Views |
January 08, 2024, 03:39:42 pm by tkreeve |
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12 Replies
6783 Views |
January 08, 2024, 01:09:08 pm by sluckey |
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79 Replies
29537 Views |
January 08, 2024, 09:09:51 am by Loomer |
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12 Replies
5422 Views |
January 08, 2024, 07:11:39 am by EL34 |
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Vox AC4HW1 Hum
Started by plexi50 |
21 Replies
9071 Views |
January 08, 2024, 12:35:09 am by Bieworm |
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PP EL84 tone problem
Started by MarcinD |
48 Replies
15108 Views |
January 08, 2024, 12:30:40 am by AlNewman |
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Mullard EZ81
Started by dwinstonwood |
6 Replies
5026 Views |
January 07, 2024, 07:37:16 pm by dwinstonwood |
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B-52 AT100 Low output
Started by drjones1106 |
10 Replies
10503 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
6028 Views |
January 07, 2024, 04:33:19 pm by Lambertini |
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6 Replies
3702 Views |
January 07, 2024, 01:38:12 pm by kagliostro |
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Voltage divider question
Started by dwinstonwood |
11 Replies
5192 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
4441 Views |
January 06, 2024, 10:15:53 pm by jjasilli |
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odd tubes....
Started by Jonas |
8 Replies
4878 Views |
January 05, 2024, 09:35:19 pm by HotBluePlates |
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6 Replies
4372 Views |
January 05, 2024, 09:16:29 pm by HotBluePlates |
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