Welcome To the Hoffman Amplifiers Forum
April 25, 2026, 10:29:09 pm
Welcome To the Hoffman Amplifiers ForumApril 25, 2026, 10:29:09 pm | ||
| Subject / Started by | Replies / Views | Last post  |
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| 0 Members and 35 Guests are viewing this board. | ||||
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Gibson Atlas amp head -- poor tone
Started by Coldhand75 |
9 Replies
4742 Views |
March 09, 2023, 11:16:48 amby bmccowan |
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Davis 106 Amps
Started by plexi50 |
7 Replies
7698 Views |
March 08, 2023, 10:07:50 am by Lectroid |
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MojoTone Studio One Watt
Started by GAStan |
10 Replies
6491 Views |
March 08, 2023, 09:17:34 am by GAStan |
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18 Replies
6117 Views |
March 08, 2023, 06:56:11 am by shooter |
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3 Replies
4310 Views |
March 07, 2023, 11:10:19 pm by PRR |
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Low vac on filaments
Started by dude |
3 Replies
3269 Views |
March 07, 2023, 08:07:10 pm by dude |
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How to measure bias in a Blues Jr?
Started by JustMike |
12 Replies
7572 Views |
March 07, 2023, 06:04:44 pm by AlNewman |
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EF86 GAIN FACTOR
Started by Jonas |
10 Replies
6559 Views |
March 06, 2023, 07:04:10 pm by HotBluePlates |
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AB763 brass plate?
Started by joesatch |
12 Replies
6352 Views |
March 06, 2023, 05:51:19 pm by pdf64 |
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0 Replies
3815 Views |
March 06, 2023, 03:29:45 pm by astronomicum |
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A mod for a '65 Vox AC-10
Started by miserlou |
12 Replies
5877 Views |
March 06, 2023, 12:00:50 pm by Jalmeida |
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Magnatone 280 on the Bench
Started by JustMike |
12 Replies
5266 Views |
March 06, 2023, 11:10:48 am by JustMike |
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1964 Super Reverb NFB rotary switch
Started by Darkpr0 |
10 Replies
4660 Views |
March 05, 2023, 02:25:51 pm by Darkpr0 |
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Screen voltage higher than plate voltage?
Started by dude |
14 Replies
7757 Views |
March 04, 2023, 08:39:31 pm by HotBluePlates |
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0 Replies
3151 Views |
March 04, 2023, 05:29:59 pm by astronomicum |
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Tweaking voltage dividers
Started by TenderTendon |
1 Replies
2958 Views |
March 03, 2023, 09:48:06 pm by sluckey |
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1974 Twin Reverb Transformer
Started by TenderTendon |
4 Replies
3012 Views |
March 03, 2023, 04:28:12 pm by TenderTendon |
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Fender Twin 135w - 120hz hum
Started by Garrett335 |
6 Replies
3806 Views |
March 03, 2023, 02:54:33 pm by sluckey |
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Start-up Surge
Started by shaun |
24 Replies
8178 Views |
March 03, 2023, 10:21:41 am by acheld |
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12 Replies
9924 Views |
March 03, 2023, 06:53:40 am by bmccowan |
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18 Replies
7817 Views |
March 02, 2023, 08:04:08 pm by dude |
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Rogers/Majestic 6R531
Started by AlNewman |
24 Replies
7219 Views |
March 02, 2023, 07:10:53 pm by AlNewman |
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Noisey tubes
Started by pbman1953 |
7 Replies
3715 Views |
March 02, 2023, 05:41:39 pm by scstill |
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Pentode - triode switch 6V6
Started by tubenit |
1 Replies
3464 Views |
March 02, 2023, 07:06:54 am by sluckey |
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A Basic Bias Question
Started by Lectroid |
18 Replies
6080 Views |
March 01, 2023, 10:20:25 am by Lectroid |
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2 Replies
3091 Views |
February 28, 2023, 05:23:55 pm by Jennings |
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Heater Winding/Center Tap Question
Started by davidb |
3 Replies
3484 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
4506 Views |
February 28, 2023, 02:15:46 pm by PRR |
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18 Replies
6000 Views |
February 28, 2023, 08:47:48 am by sluckey |
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5 Replies
3318 Views |
February 27, 2023, 08:05:19 pm by Lectroid |
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Fuse help identification needed
Started by joesatch |
9 Replies
5206 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
3327 Views |
February 27, 2023, 01:24:26 pm by sluckey |
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Simulating preamp questions
Started by fossilshark |
5 Replies
4272 Views |
February 26, 2023, 09:47:38 pm by fossilshark |
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5 Replies
4132 Views |
February 26, 2023, 06:59:07 pm by RadioComm |
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Minnesota auction
Started by bmccowan |
0 Replies
2611 Views |
February 26, 2023, 05:26:17 pm by bmccowan |
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26 Replies
11105 Views |
February 26, 2023, 01:35:14 pm by PRR |
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relay assistance
Started by joesatch |
24 Replies
6988 Views |
February 26, 2023, 10:12:52 am by acheld |
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74 Replies
18433 Views |
February 25, 2023, 09:49:45 pm by Blooze |
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12at7 tube selection
Started by pbman1953 |
7 Replies
3459 Views |
February 25, 2023, 05:54:58 pm by HotBluePlates |
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Schematic Finalization
Started by fossilshark |
38 Replies
10046 Views |
February 25, 2023, 11:35:01 am by fossilshark |
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3 Replies
2672 Views |
February 25, 2023, 10:16:59 am by sluckey |
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3×10 cab question(s)
Started by Esquirefreak |
2 Replies
2512 Views |
February 25, 2023, 08:25:16 am by HotBluePlates |
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Sound City 40C
Started by Apprentice |
0 Replies
2210 Views |
February 25, 2023, 07:01:04 am by Apprentice |
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7 Replies
3776 Views |
February 23, 2023, 06:50:50 pm by Jalmeida |
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8 Replies
3799 Views |
February 22, 2023, 06:31:19 pm by HotBluePlates |
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Hammond Haul, need some ideas
Started by Rontone |
10 Replies
5268 Views |
February 22, 2023, 04:08:22 pm by Rontone |
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Cathodyne vs. LTP question
Started by Lectroid |
10 Replies
5898 Views |
February 22, 2023, 03:30:29 pm by Lectroid |
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Choke resistance choice
Started by TenderTendon |
42 Replies
11404 Views |
February 22, 2023, 10:42:18 am by acheld |
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37 Replies
9721 Views |
February 21, 2023, 04:33:11 pm by CaptainSucrose |
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Gibson BR-6 repair
Started by Geno |
25 Replies
7379 Views |
February 21, 2023, 02:54:01 pm by sluckey |
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