Welcome To the Hoffman Amplifiers Forum
January 23, 2026, 07:47:02 pm
Welcome To the Hoffman Amplifiers ForumJanuary 23, 2026, 07:47:02 pm | ||
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| apeontheweb and 46 Guests are viewing this board. | ||||
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Vibrolux reverb blowing fuse
Started by bruno |
24 Replies
6615 Views |
April 15, 2024, 07:37:59 pmby mresistor |
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Power Supply Testing
Started by snowman |
9 Replies
3927 Views |
April 15, 2024, 07:12:35 pm by HotBluePlates |
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3 Replies
2403 Views |
April 15, 2024, 06:47:15 pm by HotBluePlates |
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6 Replies
3353 Views |
April 15, 2024, 05:31:34 pm by MrPink |
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23 Replies
8220 Views |
April 15, 2024, 12:26:23 pm by Dave |
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9 Replies
3986 Views |
April 13, 2024, 05:39:10 pm by mresistor |
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Annoying volume pot dropout/oscillation
Started by Diverted |
4 Replies
2897 Views |
April 11, 2024, 09:14:50 am by Diverted |
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LRC filter node?
Started by tdvt |
7 Replies
3666 Views |
April 10, 2024, 09:01:50 pm by tdvt |
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Cathode follower into 6V6 on Champ
Started by BadCatCubII |
22 Replies
6979 Views |
April 10, 2024, 11:16:32 am by Willabe |
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6 Replies
3377 Views |
April 10, 2024, 08:57:51 am by MrPink |
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6 Replies
3930 Views |
April 10, 2024, 05:14:53 am by pdf64 |
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Build report: Twin Reverb AB763 clone
Started by Lambertini |
4 Replies
3285 Views |
April 09, 2024, 10:44:45 pm by glass54 |
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Can heater wires form a Y?
Started by idsnowdog |
5 Replies
2902 Views |
April 09, 2024, 04:13:34 pm by SnickSound |
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37 Replies
7910 Views |
April 09, 2024, 02:20:02 pm by wsscott |
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Question about this schematic
Started by Dealbreaker |
7 Replies
3519 Views |
April 09, 2024, 10:43:10 am by Dealbreaker |
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11 Replies
4463 Views |
April 09, 2024, 07:13:35 am by Lambertini |
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Is this most likely a bad socket
Started by Locrian99 |
5 Replies
2936 Views |
April 09, 2024, 12:46:15 am by AlNewman |
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Power Rail Screen Side Node
Started by tdvt |
6 Replies
3705 Views |
April 08, 2024, 12:02:03 pm by tubeswell |
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Kalamazoo Blue Smoke Fun
Started by SteveInMN |
13 Replies
4678 Views |
April 08, 2024, 09:59:12 am by SteveInMN |
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3 Replies
2847 Views |
April 07, 2024, 01:13:58 pm by Latole |
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Plexi treble pot does nothing
Started by audiosalvage |
6 Replies
3202 Views |
April 07, 2024, 12:27:04 pm by Esquirefreak |
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67 Vibro Champ PT
Started by dude |
14 Replies
4645 Views |
April 07, 2024, 08:33:04 am by HotBluePlates |
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Newbie dreaming of a strange tube amp
Started by jon bondy |
5 Replies
2887 Views |
April 06, 2024, 06:12:06 pm by jon bondy |
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0 Replies
2393 Views |
April 06, 2024, 03:55:33 pm by Leandro |
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9 Replies
4283 Views |
April 06, 2024, 02:43:28 pm by passaloutre |
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7 Replies
3751 Views |
April 06, 2024, 09:33:44 am by DummyLoad |
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diodes noise?
Started by joesatch |
5 Replies
3406 Views |
April 05, 2024, 03:56:13 pm by sluckey |
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22 Replies
8155 Views |
April 05, 2024, 03:24:39 pm by sluckey |
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2 Replies
2401 Views |
April 05, 2024, 12:21:52 am by Jerry garrcia |
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6AQ5 Voltages Univox U80A
Started by astronomicum |
2 Replies
2756 Views |
April 04, 2024, 07:24:28 pm by astronomicum |
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AB763 preamp tremolo
Started by Esquirefreak |
12 Replies
4010 Views |
April 04, 2024, 06:00:09 pm by Esquirefreak |
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Inexpensive power tubes...
Started by AmberB |
17 Replies
5506 Views |
April 04, 2024, 04:19:53 pm by tdvt |
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LOWATT DR103 clone power section
Started by idsnowdog |
4 Replies
2950 Views |
April 04, 2024, 07:49:51 am by idsnowdog |
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AB Lite question
Started by Beezerboy |
18 Replies
6041 Views |
April 03, 2024, 06:33:08 pm by Beezerboy |
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Allen 5F1+ (or something like it)
Started by munkeyboy |
45 Replies
15212 Views |
April 03, 2024, 12:43:18 pm by passaloutre |
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Hoffman PR with Raw Control
Started by Jrusto |
4 Replies
2786 Views |
April 03, 2024, 12:03:04 pm by mresistor |
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9 Replies
3903 Views |
April 03, 2024, 07:35:40 am by MrPink |
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5F1 build using EIA wiring color code!
Started by XYZGnomon |
7 Replies
3748 Views |
April 02, 2024, 03:22:02 pm by sluckey |
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Wiring Colors and how you use them
Started by Ed_Chambley |
37 Replies
12704 Views |
April 01, 2024, 12:38:22 pm by sluckey |
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trouble with a relay supply circuit
Started by luthierwnc |
9 Replies
3820 Views |
April 01, 2024, 12:32:43 pm by luthierwnc |
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1982 Rivera Super Champ Reverb Tank?
Started by plexi50 |
5 Replies
6151 Views |
April 01, 2024, 10:07:49 am by mrobbins |
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Push/pull 6V6 amp build dilemma
Started by AmberB |
36 Replies
10602 Views |
March 31, 2024, 05:59:52 pm by PRR |
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Ampeg G15 Pilot Light
Started by Ryan22 |
10 Replies
4083 Views |
March 31, 2024, 03:26:30 pm by mresistor |
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Rectification help
Started by joesatch |
7 Replies
3322 Views |
March 31, 2024, 02:32:32 pm by joesatch |
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DuMar-V6 with AO-29 PT
Started by CrocMule |
32 Replies
9365 Views |
March 31, 2024, 12:40:09 pm by CrocMule |
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Choke size
Started by Diverted |
8 Replies
4300 Views |
March 30, 2024, 10:07:00 pm by Diverted |
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First Project Considerations
Started by hpdonat |
12 Replies
4820 Views |
March 30, 2024, 04:41:10 pm by electrical |
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How to set AC load for triode testing
Started by acheld |
9 Replies
4001 Views |
March 30, 2024, 04:10:19 pm by shooter |
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8417 Power Tubes
Started by plexi50 |
9 Replies
4454 Views |
March 30, 2024, 10:45:56 am by shooter |
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8-10W SE question
Started by Diverted |
4 Replies
3078 Views |
March 29, 2024, 11:17:19 pm by PRR |
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