Welcome To the Hoffman Amplifiers Forum
January 23, 2026, 07:59:25 pm
Welcome To the Hoffman Amplifiers ForumJanuary 23, 2026, 07:59:25 pm | ||
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| Joel and 48 Guests are viewing this board. | ||||
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Screen voltage higher than plate voltage?
Started by dude |
14 Replies
6158 Views |
March 04, 2023, 08:39:31 pmby HotBluePlates |
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0 Replies
2592 Views |
March 04, 2023, 05:29:59 pm by astronomicum |
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Tweaking voltage dividers
Started by TenderTendon |
1 Replies
2291 Views |
March 03, 2023, 09:48:06 pm by sluckey |
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1974 Twin Reverb Transformer
Started by TenderTendon |
4 Replies
2320 Views |
March 03, 2023, 04:28:12 pm by TenderTendon |
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Fender Twin 135w - 120hz hum
Started by Garrett335 |
6 Replies
3115 Views |
March 03, 2023, 02:54:33 pm by sluckey |
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Start-up Surge
Started by shaun |
24 Replies
6750 Views |
March 03, 2023, 10:21:41 am by acheld |
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12 Replies
8987 Views |
March 03, 2023, 06:53:40 am by bmccowan |
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18 Replies
6308 Views |
March 02, 2023, 08:04:08 pm by dude |
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Rogers/Majestic 6R531
Started by AlNewman |
24 Replies
5969 Views |
March 02, 2023, 07:10:53 pm by AlNewman |
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Noisey tubes
Started by pbman1953 |
7 Replies
3084 Views |
March 02, 2023, 05:41:39 pm by scstill |
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Pentode - triode switch 6V6
Started by tubenit |
1 Replies
2608 Views |
March 02, 2023, 07:06:54 am by sluckey |
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A Basic Bias Question
Started by Lectroid |
18 Replies
5144 Views |
March 01, 2023, 10:20:25 am by Lectroid |
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2 Replies
2397 Views |
February 28, 2023, 05:23:55 pm by Jennings |
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Heater Winding/Center Tap Question
Started by davidb |
3 Replies
2791 Views |
February 28, 2023, 03:06:57 pm by HotBluePlates |
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How to get 12v to my 12ax7?
Started by jordan86 |
6 Replies
3775 Views |
February 28, 2023, 02:15:46 pm by PRR |
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18 Replies
5030 Views |
February 28, 2023, 08:47:48 am by sluckey |
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5 Replies
2695 Views |
February 27, 2023, 08:05:19 pm by Lectroid |
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Fuse help identification needed
Started by joesatch |
9 Replies
4102 Views |
February 27, 2023, 03:00:39 pm by joesatch |
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Sluckey "Trem-O-Nator Vactrol Question
Started by W5FH |
3 Replies
2705 Views |
February 27, 2023, 01:24:26 pm by sluckey |
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Simulating preamp questions
Started by fossilshark |
5 Replies
3287 Views |
February 26, 2023, 09:47:38 pm by fossilshark |
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5 Replies
3344 Views |
February 26, 2023, 06:59:07 pm by RadioComm |
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Minnesota auction
Started by bmccowan |
0 Replies
2108 Views |
February 26, 2023, 05:26:17 pm by bmccowan |
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26 Replies
9392 Views |
February 26, 2023, 01:35:14 pm by PRR |
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relay assistance
Started by joesatch |
24 Replies
5764 Views |
February 26, 2023, 10:12:52 am by acheld |
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74 Replies
15081 Views |
February 25, 2023, 09:49:45 pm by Blooze |
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12at7 tube selection
Started by pbman1953 |
7 Replies
2894 Views |
February 25, 2023, 05:54:58 pm by HotBluePlates |
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Schematic Finalization
Started by fossilshark |
38 Replies
8589 Views |
February 25, 2023, 11:35:01 am by fossilshark |
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3 Replies
2208 Views |
February 25, 2023, 10:16:59 am by sluckey |
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3×10 cab question(s)
Started by Esquirefreak |
2 Replies
2065 Views |
February 25, 2023, 08:25:16 am by HotBluePlates |
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Sound City 40C
Started by Apprentice |
0 Replies
1810 Views |
February 25, 2023, 07:01:04 am by Apprentice |
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7 Replies
3103 Views |
February 23, 2023, 06:50:50 pm by Jalmeida |
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8 Replies
3140 Views |
February 22, 2023, 06:31:19 pm by HotBluePlates |
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Hammond Haul, need some ideas
Started by Rontone |
10 Replies
4363 Views |
February 22, 2023, 04:08:22 pm by Rontone |
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Cathodyne vs. LTP question
Started by Lectroid |
10 Replies
5028 Views |
February 22, 2023, 03:30:29 pm by Lectroid |
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Choke resistance choice
Started by TenderTendon |
42 Replies
9262 Views |
February 22, 2023, 10:42:18 am by acheld |
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37 Replies
8397 Views |
February 21, 2023, 04:33:11 pm by CaptainSucrose |
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Gibson BR-6 repair
Started by Geno |
25 Replies
6535 Views |
February 21, 2023, 02:54:01 pm by sluckey |
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21 Replies
4862 Views |
February 21, 2023, 11:53:43 am by plumcrazyfx |
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increase intensity on tremolo fix?
Started by Bieworm |
7 Replies
3199 Views |
February 21, 2023, 11:44:03 am by Bieworm |
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ABS Plastic as Turret Board Material?
Started by imgumby001 |
3 Replies
2265 Views |
February 21, 2023, 08:01:56 am by imgumby001 |
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Speccing a transformer for DC heaters
Started by liddokun |
3 Replies
2250 Views |
February 20, 2023, 09:40:11 pm by liddokun |
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0 Replies
1863 Views |
February 20, 2023, 05:48:09 pm by kagliostro |
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Looking at Amps today
Started by rafe |
45 Replies
8072 Views |
February 20, 2023, 03:23:39 pm by rafe |
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6 Replies
3631 Views |
February 20, 2023, 12:01:50 pm by PRR |
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Extra filtering node
Started by Leevi |
21 Replies
5005 Views |
February 20, 2023, 08:13:35 am by kagliostro |
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3 Replies
2681 Views |
February 19, 2023, 10:42:51 pm by tubeswell |
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8 Replies
3535 Views |
February 19, 2023, 08:49:46 pm by HotBluePlates |
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JCA20H HSG Issue
Started by imgumby001 |
10 Replies
3473 Views |
February 19, 2023, 04:30:17 pm by imgumby001 |
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12 Replies
4072 Views |
February 19, 2023, 03:52:01 pm by judge74 |
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Silvertone 1484 No Sound
Started by imgumby001 |
11 Replies
3605 Views |
February 18, 2023, 09:09:35 pm by imgumby001 |
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