Welcome To the Hoffman Amplifiers Forum
March 10, 2026, 07:25:04 pm
Welcome To the Hoffman Amplifiers ForumMarch 10, 2026, 07:25:04 pm | ||
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| 0 Members and 33 Guests are viewing this board. | ||||
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Important grounding question
Started by chaf87 |
5 Replies
1133 Views |
December 23, 2025, 11:34:21 amby pdf64 |
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Very loud amp is now attenuated
Started by newguitarsmell |
7 Replies
1059 Views |
December 23, 2025, 03:28:00 am by Merlin |
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Weber Beam Blocker Install
Started by Thisismyname |
6 Replies
1004 Views |
December 21, 2025, 05:32:53 pm by Thisismyname |
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5879 Blues Bassman
Started by TIMBO |
22 Replies
3133 Views |
December 21, 2025, 04:37:57 pm by TIMBO |
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1968 Fender Vibrochamp AA764 Resto
Started by TIMBO |
11 Replies
1818 Views |
December 21, 2025, 04:28:10 am by TIMBO |
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5 Replies
875 Views |
December 20, 2025, 02:26:46 pm by mxrshiver |
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2 Replies
696 Views |
December 20, 2025, 02:25:51 pm by AngryWalrus |
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Princeton Reverb circuit refinements
Started by tristanc |
16 Replies
2345 Views |
December 20, 2025, 12:36:32 pm by stratomaster |
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4 Replies
1139 Views |
December 20, 2025, 09:07:01 am by pbman1953 |
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Input matching
Started by Lectroid |
3 Replies
832 Views |
December 19, 2025, 10:35:02 am by Lectroid |
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8 Replies
1310 Views |
December 18, 2025, 11:10:01 pm by SEL49 |
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POTS IN BLUES JR
Started by BLUESMAN-2 |
4 Replies
936 Views |
December 18, 2025, 12:24:30 am by BLUESMAN-2 |
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Bootstrapped gain stage questions
Started by hylaphone |
4 Replies
1149 Views |
December 17, 2025, 12:30:07 pm by hylaphone |
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Updated Tube Comparison Table
Started by HotBluePlates |
10 Replies
7326 Views |
December 17, 2025, 10:40:48 am by Lectroid |
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8 Replies
1353 Views |
December 16, 2025, 04:49:19 pm by burchyk |
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0 Replies
708 Views |
December 16, 2025, 11:19:42 am by TubeAmpDegen |
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15 Replies
2845 Views |
December 16, 2025, 02:25:34 am by maxdissipation |
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Future Filmosound Project....
Started by Khristophorous |
9 Replies
1528 Views |
December 15, 2025, 12:03:38 pm by bmccowan |
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5 Replies
1382 Views |
December 15, 2025, 11:56:13 am by kagliostro |
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Curious grid voltages, 6HC8 SE build
Started by turbofeedus |
3 Replies
993 Views |
December 14, 2025, 09:56:14 am by turbofeedus |
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Curious grid voltages, 6HC8 SE build
Started by turbofeedus |
1 Replies
1146 Views |
December 13, 2025, 12:09:59 pm by turbofeedus |
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Unmarked tubes ????12a?7
Started by rafe |
7 Replies
1217 Views |
December 12, 2025, 05:10:02 pm by Platefire |
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Seeking opinions on strategy
Started by PetePalumbo |
2 Replies
974 Views |
December 12, 2025, 03:12:50 pm by acheld |
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10 Replies
1844 Views |
December 12, 2025, 03:05:58 pm by acheld |
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Fuse size question
Started by Diverted |
2 Replies
998 Views |
December 11, 2025, 11:48:55 pm by kagliostro |
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5 Replies
4010 Views |
December 11, 2025, 06:05:50 pm by Mypalmurph |
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6 Replies
1168 Views |
December 07, 2025, 07:15:28 am by pbman1953 |
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2 questions- Tube values and pot value
Started by pbman1953 |
14 Replies
2413 Views |
December 06, 2025, 08:18:22 am by pbman1953 |
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Carvin Legacy 3 bias issue or design?
Started by EddyMunster « 1 2 » |
76 Replies
7453 Views |
December 05, 2025, 10:16:38 pm by EddyMunster |
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58 Replies
14624 Views |
December 05, 2025, 11:52:37 am by scstill |
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Transistor parts MTP6N60E
Started by dsones |
5 Replies
1230 Views |
December 05, 2025, 11:35:28 am by DummyLoad |
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DC-coupled cathodyne and feedback
Started by passaloutre |
16 Replies
1808 Views |
December 05, 2025, 03:56:52 am by tubeswell |
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Help with modded SFDR bias circuit
Started by Choan |
1 Replies
748 Views |
December 04, 2025, 05:34:56 pm by stratomaster |
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8 Replies
1723 Views |
December 04, 2025, 01:39:55 pm by Duncan |
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4 Replies
952 Views |
December 04, 2025, 11:42:47 am by Sansteeth |
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2 Replies
798 Views |
December 03, 2025, 04:13:44 pm by kevin_taylor |
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6G7A Intermittent Hum
Started by jazjamr |
7 Replies
1195 Views |
December 03, 2025, 03:23:34 pm by jazjamr |
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1 Replies
721 Views |
December 03, 2025, 09:32:04 am by SEL49 |
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Princeton Reverb turret board dimensions?
Started by fretts |
6 Replies
1082 Views |
December 02, 2025, 01:04:58 pm by tubeswell |
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Crate G80Xl schematic
Started by punkykatt |
1 Replies
729 Views |
December 01, 2025, 04:54:05 pm by punkykatt |
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Testing an inductor coil
Started by pbman1953 |
4 Replies
896 Views |
December 01, 2025, 11:12:59 am by Merlin |
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4 Replies
805 Views |
December 01, 2025, 11:03:54 am by Grantorino |
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Vox JMI amp voltage selector US wiring?
Started by Jalmeida |
4 Replies
861 Views |
November 29, 2025, 04:45:57 pm by pdf64 |
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Thanksgiving Score
Started by rafe |
0 Replies
741 Views |
November 29, 2025, 04:08:31 pm by rafe |
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marketplace 5f1 what did I buy?
Started by ernest |
14 Replies
1651 Views |
November 29, 2025, 03:31:08 pm by rafe |
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6 Replies
1213 Views |
November 29, 2025, 03:14:43 pm by kagliostro |
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6g2 'tiki-princeton' build
Started by bullkelp |
17 Replies
3406 Views |
November 29, 2025, 02:04:17 pm by owen |
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StewMac Valve Factory 18
Started by bartman |
1 Replies
985 Views |
November 28, 2025, 02:36:23 pm by SEL49 |
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Tricky tremolo question
Started by isaac_teller |
7 Replies
1294 Views |
November 28, 2025, 02:28:00 pm by HotBluePlates |
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5 Replies
1125 Views |
November 27, 2025, 08:20:18 am by tubeswell |
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