Welcome To the Hoffman Amplifiers Forum
December 08, 2025, 09:59:27 am
Welcome To the Hoffman Amplifiers ForumDecember 08, 2025, 09:59:27 am | ||
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4 Replies
1635 Views |
December 04, 2024, 06:28:42 pmby AlNewman |
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Bias issue
Started by 63Deluxe |
6 Replies
1982 Views |
December 04, 2024, 05:47:19 pm by pdf64 |
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High gain plexi?
Started by fossilshark |
2 Replies
1552 Views |
December 04, 2024, 10:05:08 am by fossilshark |
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6 Replies
1932 Views |
December 04, 2024, 04:15:44 am by glass54 |
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Deluxe Reverb RI Issues
Started by dpm309 |
2 Replies
1329 Views |
December 03, 2024, 04:21:11 pm by dpm309 |
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High rectifier voltage on standby
Started by Choan |
4 Replies
1761 Views |
December 03, 2024, 10:54:16 am by Choan |
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Balancing rare output tubes
Started by dankinzelman |
32 Replies
5002 Views |
December 02, 2024, 03:18:04 pm by kagliostro |
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VOX AC30 new PCB design
Started by aaelectronics |
12 Replies
2688 Views |
December 02, 2024, 03:10:35 pm by kagliostro |
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3 Replies
1799 Views |
December 02, 2024, 12:26:28 pm by plexi50 |
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Heater Hum
Started by dankinzelman « 1 2 » |
57 Replies
10976 Views |
December 02, 2024, 10:41:36 am by dankinzelman |
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Marshall 1987 schematic
Started by fossilshark |
7 Replies
3177 Views |
December 01, 2024, 01:33:24 pm by SEL49 |
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7 Replies
2684 Views |
December 01, 2024, 02:15:13 am by kagliostro |
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Merlin's 12AT7 P-P Reverb Driver
Started by W5FH |
3 Replies
1923 Views |
November 30, 2024, 11:13:28 pm by W5FH |
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Sunn 300T rebuild ideas
Started by hiegdk |
0 Replies
1384 Views |
November 30, 2024, 09:56:02 pm by hiegdk |
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54 Replies
9056 Views |
November 30, 2024, 09:40:35 pm by hiegdk |
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Sluckey AC15
Started by yrsbaby |
1 Replies
1308 Views |
November 30, 2024, 12:23:26 pm by SEL49 |
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6 Replies
1912 Views |
November 30, 2024, 11:03:24 am by Merlin |
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How to Label Tubes?
Started by dankinzelman |
5 Replies
1512 Views |
November 30, 2024, 10:56:46 am by Merlin |
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Trailing distortion on Ampeg V4
Started by Sansteeth |
12 Replies
2759 Views |
November 29, 2024, 03:11:51 am by Sansteeth |
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Fender Hot Rod Deluxe to Single Channel AB763
Started by emerson909 « 1 2 3 » |
117 Replies
21073 Views |
November 28, 2024, 05:54:30 pm by pdf64 |
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17 Replies
3836 Views |
November 28, 2024, 02:53:32 pm by DummyLoad |
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calculationg coupling cap values
Started by Shrapnel |
27 Replies
4959 Views |
November 27, 2024, 09:04:26 pm by Shrapnel |
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Revibe chassis
Started by jada3909 |
5 Replies
1769 Views |
November 27, 2024, 01:42:54 pm by EL34 |
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5 Replies
1894 Views |
November 27, 2024, 08:08:47 am by jkgrooves |
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6 Replies
7084 Views |
November 27, 2024, 06:30:42 am by Jazzbass_5 |
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RIP Ed Chambley
Started by jojokeo |
18 Replies
3254 Views |
November 26, 2024, 05:09:48 pm by Platefire |
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13 Replies
3219 Views |
November 25, 2024, 07:11:38 am by SEL49 |
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Amp start newb questions
Started by Snake5150 |
7 Replies
2084 Views |
November 24, 2024, 07:47:30 pm by Snake5150 |
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Rectifier mods
Started by AdamK |
5 Replies
1818 Views |
November 23, 2024, 04:58:01 pm by kagliostro |
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Voxy PeeWee AO-44 master volume?
Started by MWaldorf |
4 Replies
2554 Views |
November 21, 2024, 02:22:17 pm by MWaldorf |
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29 Replies
5251 Views |
November 19, 2024, 03:07:48 pm by HotBluePlates |
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Using Kt-120's in a Traynor YBA 3A
Started by pbman1953 |
22 Replies
8222 Views |
November 18, 2024, 10:45:17 am by pbman1953 |
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1 Replies
1675 Views |
November 18, 2024, 09:52:24 am by Duncan |
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Adding "Blackface mode" to an AC30?
Started by roseblood11 |
4 Replies
1905 Views |
November 16, 2024, 06:36:15 pm by AlNewman |
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New build Low B+
Started by Buxton_Flux |
12 Replies
2966 Views |
November 16, 2024, 03:15:34 pm by Willabe |
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My next Princeton Reverb Build
Started by Opry Audio |
7 Replies
2353 Views |
November 16, 2024, 08:54:23 am by bmccowan |
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Wiring on old 50's Valco amp
Started by Eyesoftheworld |
23 Replies
4046 Views |
November 15, 2024, 03:37:56 pm by Eyesoftheworld |
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SVT - changes after updates
Started by pbman1953 |
5 Replies
1969 Views |
November 15, 2024, 12:55:10 pm by pbman1953 |
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Unused PT secondaries….
Started by bluesrx |
3 Replies
1518 Views |
November 15, 2024, 07:43:09 am by cavevalleyamps@yahoo.com |
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Fender custom shop 5e3 problem
Started by Ariel tube fanatic |
12 Replies
2934 Views |
November 15, 2024, 12:38:49 am by Ariel tube fanatic |
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1 Replies
1674 Views |
November 14, 2024, 10:02:37 am by kagliostro |
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Feedback help
Started by seriesnuns |
42 Replies
6244 Views |
November 13, 2024, 04:25:01 pm by seriesnuns |
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Assistance with Reverb (distorted)
Started by DudeNiceAmp |
4 Replies
1682 Views |
November 13, 2024, 10:53:34 am by stratomaster |
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510-11 valco
Started by Big chief |
7 Replies
2222 Views |
November 13, 2024, 09:31:11 am by cavevalleyamps@yahoo.com |
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Suggest 2-band tube EQ for amp! 😊
Started by daxliniere |
1 Replies
1340 Views |
November 13, 2024, 09:26:11 am by pdf64 |
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Console Amp Conversion
Started by Ryan22 |
3 Replies
1728 Views |
November 13, 2024, 09:02:03 am by Platefire |
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Two separate bias voltages?
Started by Lectroid |
5 Replies
1967 Views |
November 13, 2024, 12:40:00 am by d95err |
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4 Replies
1777 Views |
November 12, 2024, 04:17:40 pm by punkykatt |
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1 Replies
1403 Views |
November 12, 2024, 02:15:11 pm by Lectroid |
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Deluxe Reverb build has me stumped
Started by Duncan |
19 Replies
4066 Views |
November 12, 2024, 11:46:29 am by Duncan |
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