Welcome To the Hoffman Amplifiers Forum
June 09, 2026, 05:24:22 pm
Welcome To the Hoffman Amplifiers ForumJune 09, 2026, 05:24:22 pm | ||
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Input matching
Started by Lectroid |
3 Replies
2421 Views |
December 19, 2025, 10:35:02 amby Lectroid |
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8 Replies
2884 Views |
December 18, 2025, 11:10:01 pm by SEL49 |
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POTS IN BLUES JR
Started by BLUESMAN-2 |
4 Replies
2571 Views |
December 18, 2025, 12:24:30 am by BLUESMAN-2 |
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Bootstrapped gain stage questions
Started by hylaphone |
4 Replies
2793 Views |
December 17, 2025, 12:30:07 pm by hylaphone |
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Updated Tube Comparison Table
Started by HotBluePlates |
10 Replies
9867 Views |
December 17, 2025, 10:40:48 am by Lectroid |
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8 Replies
3123 Views |
December 16, 2025, 04:49:19 pm by burchyk |
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0 Replies
2068 Views |
December 16, 2025, 11:19:42 am by TubeAmpDegen |
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15 Replies
5511 Views |
December 16, 2025, 02:25:34 am by maxdissipation |
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Future Filmosound Project....
Started by Khristophorous |
9 Replies
3404 Views |
December 15, 2025, 12:03:38 pm by bmccowan |
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5 Replies
2943 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
2366 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
2490 Views |
December 13, 2025, 12:09:59 pm by turbofeedus |
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Unmarked tubes ????12a?7
Started by rafe |
7 Replies
2914 Views |
December 12, 2025, 05:10:02 pm by Platefire |
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Seeking opinions on strategy
Started by PetePalumbo |
2 Replies
2424 Views |
December 12, 2025, 03:12:50 pm by acheld |
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10 Replies
3798 Views |
December 12, 2025, 03:05:58 pm by acheld |
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Fuse size question
Started by Diverted |
2 Replies
2507 Views |
December 11, 2025, 11:48:55 pm by kagliostro |
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5 Replies
5601 Views |
December 11, 2025, 06:05:50 pm by Mypalmurph |
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6 Replies
2754 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
4694 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
13476 Views |
December 05, 2025, 10:16:38 pm by EddyMunster |
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58 Replies
20507 Views |
December 05, 2025, 11:52:37 am by scstill |
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Transistor parts MTP6N60E
Started by dsones |
5 Replies
2888 Views |
December 05, 2025, 11:35:28 am by DummyLoad |
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DC-coupled cathodyne and feedback
Started by passaloutre |
16 Replies
4041 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
2167 Views |
December 04, 2025, 05:34:56 pm by stratomaster |
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8 Replies
3801 Views |
December 04, 2025, 01:39:55 pm by Duncan |
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4 Replies
2613 Views |
December 04, 2025, 11:42:47 am by Sansteeth |
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2 Replies
2135 Views |
December 03, 2025, 04:13:44 pm by kevin_taylor |
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6G7A Intermittent Hum
Started by jazjamr |
7 Replies
2744 Views |
December 03, 2025, 03:23:34 pm by jazjamr |
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1 Replies
2065 Views |
December 03, 2025, 09:32:04 am by SEL49 |
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Princeton Reverb turret board dimensions?
Started by fretts |
6 Replies
2587 Views |
December 02, 2025, 01:04:58 pm by tubeswell |
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Crate G80Xl schematic
Started by punkykatt |
1 Replies
2067 Views |
December 01, 2025, 04:54:05 pm by punkykatt |
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Testing an inductor coil
Started by pbman1953 |
4 Replies
2386 Views |
December 01, 2025, 11:12:59 am by Merlin |
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4 Replies
2286 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
2446 Views |
November 29, 2025, 04:45:57 pm by pdf64 |
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Thanksgiving Score
Started by rafe |
0 Replies
2072 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
3763 Views |
November 29, 2025, 03:31:08 pm by rafe |
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6 Replies
2832 Views |
November 29, 2025, 03:14:43 pm by kagliostro |
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6g2 'tiki-princeton' build
Started by bullkelp |
17 Replies
5395 Views |
November 29, 2025, 02:04:17 pm by owen |
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Tricky tremolo question
Started by isaac_teller |
7 Replies
2970 Views |
November 28, 2025, 02:28:00 pm by HotBluePlates |
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5 Replies
2573 Views |
November 27, 2025, 08:20:18 am by tubeswell |
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DR103 Preamp build
Started by hiegdk |
4 Replies
2373 Views |
November 26, 2025, 01:49:10 pm by hiegdk |
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14 Replies
3712 Views |
November 26, 2025, 09:42:35 am by mrjomo |
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“Custom” Vibrolux Reverb- Reverb question
Started by mrjomo |
3 Replies
2139 Views |
November 25, 2025, 08:57:33 pm by stratomaster |
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5 Replies
2487 Views |
November 25, 2025, 08:17:12 pm by AlNewman |
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Zener question
Started by Diverted |
4 Replies
2483 Views |
November 25, 2025, 12:38:09 pm by jjasilli |
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KLD DIY Bassman kit: Help!
Started by Koyaanisqatsi |
3 Replies
2159 Views |
November 24, 2025, 08:18:56 pm by AlNewman |
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Amplifier Lag - Carlsbro 60 T.C
Started by Grantorino |
1 Replies
1839 Views |
November 22, 2025, 04:39:08 pm by pdf64 |
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12 Replies
3402 Views |
November 22, 2025, 09:08:42 am by Grantorino |
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Ampeg G-212 Series Main Fuses
Started by astronomicum |
3 Replies
2221 Views |
November 21, 2025, 06:04:42 pm by SEL49 |
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AB763/6V6Plexi amp kit questions/advice
Started by kreidfl |
16 Replies
7782 Views |
November 19, 2025, 05:01:23 pm by kreidfl |
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