Welcome To the Hoffman Amplifiers Forum
March 11, 2026, 11:18:44 am
Welcome To the Hoffman Amplifiers ForumMarch 11, 2026, 11:18:44 am | ||
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p2pAmps Rusty-Dawg #001 Demo
Started by p2pAmps |
6 Replies
3823 Views |
January 20, 2022, 12:41:27 amby Grees01 |
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Mystery Transformers
Started by Blueboozer |
6 Replies
3461 Views |
January 19, 2022, 09:16:22 pm by Blueboozer |
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5 Replies
4075 Views |
January 19, 2022, 03:53:31 am by Latole |
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Output transformer question
Started by Stuff4bikes |
1 Replies
2829 Views |
January 19, 2022, 03:38:07 am by glass54 |
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Champ 5F1 with 7591
Started by mikhett |
9 Replies
3823 Views |
January 18, 2022, 10:57:21 pm by mikhett |
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5 Replies
3306 Views |
January 18, 2022, 05:32:16 pm by turbofeedus |
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8 Replies
4906 Views |
January 18, 2022, 01:03:29 pm by joesatch |
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help spec'n PT?
Started by Jonas |
18 Replies
5822 Views |
January 18, 2022, 05:14:10 am by shooter |
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Reverb Problem
Started by Travis8 |
10 Replies
4350 Views |
January 17, 2022, 08:38:30 pm by PRR |
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12.6 volt winding reduced to 6.3
Started by valvetones |
25 Replies
8902 Views |
January 17, 2022, 08:21:07 pm by valvetones |
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Strange Voltage Readings On Prototype Board
Started by AHeck |
2 Replies
3100 Views |
January 17, 2022, 08:04:32 pm by AHeck |
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Where to begin?
Started by Will.darden |
2 Replies
2527 Views |
January 17, 2022, 07:28:10 pm by Grees01 |
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11 Replies
4962 Views |
January 17, 2022, 06:04:41 pm by pdf64 |
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4 Replies
3407 Views |
January 17, 2022, 03:13:59 pm by Bieworm |
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2204 V1 static when i touch the tube
Started by joesatch |
5 Replies
3445 Views |
January 17, 2022, 04:08:23 am by shooter |
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3 Replies
3223 Views |
January 16, 2022, 04:31:03 pm by HotBluePlates |
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Resistor type question
Started by joesatch |
4 Replies
2747 Views |
January 16, 2022, 12:59:39 pm by mresistor |
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Reverb pot in a drip edge PR
Started by mrhudson27 |
2 Replies
2766 Views |
January 16, 2022, 10:16:15 am by HotBluePlates |
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Some experienced eyes on this?
Started by jewishjay |
5 Replies
2960 Views |
January 15, 2022, 08:47:31 pm by ghostinthescope |
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Princeton 5881 trem-o-nator questions
Started by acheld |
2 Replies
2611 Views |
January 14, 2022, 08:00:36 am by ac427v |
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6 Replies
3970 Views |
January 14, 2022, 12:27:00 am by PRR |
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HT rectification
Started by ok_state_blues |
6 Replies
3277 Views |
January 13, 2022, 02:23:07 pm by ok_state_blues |
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3 Replies
3131 Views |
January 13, 2022, 10:07:58 am by JFlo |
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High gain two channel EL84 guitar amp
Started by Banjan73 |
35 Replies
9872 Views |
January 13, 2022, 07:54:14 am by Banjan73 |
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AC15/30 build Help
Started by AndyCharles |
28 Replies
7618 Views |
January 12, 2022, 07:30:08 pm by HotBluePlates |
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AC15 Power Transformer
Started by Glenn |
12 Replies
5999 Views |
January 12, 2022, 04:38:54 pm by mresistor |
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Transformer Repair
Started by Mason |
13 Replies
4923 Views |
January 12, 2022, 03:06:23 pm by Latole |
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Cabinet Finishes
Started by p2pAmps |
7 Replies
4033 Views |
January 12, 2022, 03:58:07 am by Latole |
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TLA turret layout with Vus (unfinished)
Started by Jatchley |
10 Replies
4290 Views |
January 11, 2022, 09:10:05 am by Jatchley |
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2 Replies
2987 Views |
January 11, 2022, 07:11:42 am by EL34 |
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5 Replies
3538 Views |
January 11, 2022, 04:26:28 am by isaac_teller |
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i need help! 6L6 large mismatched
Started by johngovan |
17 Replies
5854 Views |
January 10, 2022, 06:30:09 pm by tubeswell |
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Does This Circuit Exist?
Started by Nathan |
9 Replies
5139 Views |
January 10, 2022, 02:51:43 pm by SILVERGUN |
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11 Replies
4638 Views |
January 10, 2022, 09:00:40 am by bmccowan |
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Tweed twin HP 6v6 OP tranny
Started by JGk |
7 Replies
3456 Views |
January 10, 2022, 12:36:35 am by valvetones |
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How to determine B+
Started by PlantEater |
11 Replies
5066 Views |
January 09, 2022, 09:32:26 pm by PlantEater |
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8 Replies
4268 Views |
January 09, 2022, 07:30:11 pm by HotBluePlates |
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output transformer inpedance
Started by jamesedmunda |
1 Replies
2667 Views |
January 09, 2022, 04:14:55 pm by shooter |
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5 Replies
5143 Views |
January 09, 2022, 02:34:35 pm by CO_Hoya |
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Tremolo mosfet cf
Started by BrainDeadAmps |
2 Replies
2748 Views |
January 09, 2022, 01:57:18 pm by BrainDeadAmps |
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Standby switch resistor mod with results
Started by acheld |
9 Replies
6178 Views |
January 09, 2022, 01:38:59 pm by PharmRock |
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3 Replies
3368 Views |
January 08, 2022, 10:55:26 am by fenderguy81 |
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Valco umbilical cord
Started by bmccowan |
5 Replies
3225 Views |
January 08, 2022, 08:10:07 am by bmccowan |
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64 Replies
26362 Views |
January 07, 2022, 10:01:35 pm by mresistor |
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4 Replies
3087 Views |
January 07, 2022, 07:45:29 am by mbele |
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New build: 6F3P + 6ZH8 + 6N2P
Started by Miyagi_83 |
11 Replies
4743 Views |
January 06, 2022, 03:35:38 pm by Miyagi_83 |
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4 Replies
3247 Views |
January 05, 2022, 08:03:37 pm by tubeswell |
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2 Replies
2909 Views |
January 05, 2022, 05:09:16 pm by owen |
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11 Replies
4036 Views |
January 05, 2022, 09:31:51 am by Lancer X |
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7 Replies
3657 Views |
January 05, 2022, 07:47:27 am by PharmRock |
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