Welcome To the Hoffman Amplifiers Forum
October 22, 2025, 08:48:27 pm
Welcome To the Hoffman Amplifiers ForumOctober 22, 2025, 08:48:27 pm | ||
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| AlNewman and 58 Guests are viewing this board. | ||||
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Cold clipper - cathode follower ?
Started by Bieworm |
11 Replies
5386 Views |
February 13, 2021, 11:51:51 amby Bieworm |
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2 Replies
1838 Views |
February 13, 2021, 08:13:15 am by Blueboozer |
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1 Replies
3135 Views |
February 12, 2021, 10:05:53 pm by tubeswell |
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California Dreamer
Started by mk_716 |
4 Replies
2371 Views |
February 12, 2021, 09:55:15 pm by mk_716 |
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GA-30 restore with odd schematic
Started by shaun |
15 Replies
5121 Views |
February 12, 2021, 03:22:12 pm by shooter |
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8 Replies
3098 Views |
February 12, 2021, 10:53:33 am by buchhla |
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32 Replies
6564 Views |
February 12, 2021, 09:56:38 am by Mike_J |
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Harmonic Tremolo Amp Build
Started by jrgtwo |
5 Replies
3472 Views |
February 11, 2021, 04:01:12 pm by HotBluePlates |
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Bass guitar amplifier project
Started by kreso |
16 Replies
4687 Views |
February 11, 2021, 05:43:08 am by kreso |
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Screen Resitor Question
Started by plumcrazyfx |
34 Replies
11925 Views |
February 10, 2021, 03:55:00 pm by sluckey |
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0 Replies
1818 Views |
February 10, 2021, 02:51:45 pm by munkeyboy |
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51 Replies
11245 Views |
February 10, 2021, 09:59:03 am by sluckey |
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2 Replies
2079 Views |
February 09, 2021, 03:42:40 pm by HotBluePlates |
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Classictone PT & 6G3
Started by BobL |
37 Replies
9526 Views |
February 09, 2021, 03:32:03 pm by BobL |
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13 Replies
5076 Views |
February 09, 2021, 03:10:53 pm by HotBluePlates |
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6 Replies
2502 Views |
February 09, 2021, 01:55:22 pm by HotBluePlates |
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Old metal cap cans
Started by dude |
4 Replies
2169 Views |
February 09, 2021, 12:57:17 pm by Latole |
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Another amp marketing plan idea.
Started by Mike_J |
19 Replies
4658 Views |
February 09, 2021, 06:21:02 am by SnickSound |
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Swap can capacitor for higher value?
Started by proaudioguy |
1 Replies
1665 Views |
February 08, 2021, 05:48:38 pm by bmccowan |
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MOVED: DIY Emission Tube Tester
Started by sluckey |
0 Replies
1966 Views |
February 08, 2021, 11:30:03 am by sluckey |
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Nearly complete 3-channel 5F6A project
Started by CascoSieg |
9 Replies
2798 Views |
February 07, 2021, 05:02:46 pm by CascoSieg |
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Troubleshooting AB763
Started by acheld |
4 Replies
2128 Views |
February 07, 2021, 01:38:38 pm by Latole |
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53 Replies
10431 Views |
February 07, 2021, 08:15:42 am by shooter |
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9 Replies
4386 Views |
February 05, 2021, 06:32:12 pm by trobbins |
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E80CC
Started by SoundCity85 |
9 Replies
3892 Views |
February 05, 2021, 09:46:20 am by HotBluePlates |
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Pulling two tubes in a TR
Started by Gone_Fishing |
10 Replies
2910 Views |
February 05, 2021, 09:15:08 am by sluckey |
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EL84 Voltages
Started by dbishopbliss |
4 Replies
2492 Views |
February 04, 2021, 09:40:51 pm by HotBluePlates |
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2 Replies
2081 Views |
February 04, 2021, 08:11:53 pm by MORE_Guitar_Solos |
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4 Replies
2166 Views |
February 04, 2021, 08:10:56 pm by Mike_J |
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5 Replies
2361 Views |
February 04, 2021, 08:02:51 pm by Mike_J |
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5 Replies
2423 Views |
February 04, 2021, 08:01:52 pm by munkeyboy |
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13 Replies
3769 Views |
February 04, 2021, 06:38:07 pm by 2deaf |
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8 Replies
2551 Views |
February 04, 2021, 05:13:30 pm by Gone_Fishing |
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Upgraded turret board.
Started by Mike_J |
0 Replies
1660 Views |
February 04, 2021, 03:39:17 pm by Mike_J |
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10 Replies
3340 Views |
February 04, 2021, 10:54:27 am by 66Strat |
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14 Replies
4776 Views |
February 04, 2021, 08:48:37 am by PharmRock |
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Imperial Stout - new build dummy check
Started by burt_toast |
8 Replies
2911 Views |
February 03, 2021, 04:37:50 pm by tubenit |
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Motorboating on Channel 3 of my amp.
Started by raza |
4 Replies
1945 Views |
February 03, 2021, 12:01:48 pm by Leevi |
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Doug's 5f6a layout for V1a cathode.
Started by Mike_J |
2 Replies
2018 Views |
February 02, 2021, 09:51:15 pm by Mike_J |
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1954 Gibson GA-40 tremolo
Started by Diverted |
12 Replies
4936 Views |
February 02, 2021, 05:45:26 pm by bmccowan |
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Filmosound OT PT Wire Gauge
Started by jonathan_kea |
1 Replies
1757 Views |
February 02, 2021, 12:30:52 pm by HotBluePlates |
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RR763-based build
Started by aon |
4 Replies
2831 Views |
February 02, 2021, 07:37:17 am by jordan86 |
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21 Replies
7912 Views |
January 31, 2021, 12:42:26 pm by chrisd |
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New Build Marshall 1959 Superlead
Started by kwm488 |
12 Replies
8181 Views |
January 31, 2021, 11:59:29 am by sluckey |
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13 Replies
8791 Views |
January 31, 2021, 10:37:36 am by mresistor |
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PP 25L6 amp worth the effort?
Started by munkeyboy |
15 Replies
8136 Views |
January 31, 2021, 08:44:39 am by Steve_P |
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Ampeg B12-XT
Started by Big chief |
4 Replies
2268 Views |
January 30, 2021, 10:26:17 am by Big chief |
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10 Replies
3307 Views |
January 30, 2021, 05:54:34 am by pdf64 |
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National Amp 1949
Started by Big chief |
17 Replies
4084 Views |
January 29, 2021, 05:42:33 pm by valcotone |
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