Welcome To the Hoffman Amplifiers Forum
July 14, 2026, 09:35:51 am
Welcome To the Hoffman Amplifiers ForumJuly 14, 2026, 09:35:51 am | ||
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5F1 First Start Up - Not a good start :)
Started by gkotlin |
4 Replies
4406 Views |
February 12, 2023, 07:38:06 pmby sluckey |
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Subjective loudness
Started by Rob H |
14 Replies
7057 Views |
February 12, 2023, 04:07:53 pm by ac427v |
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attenuator network
Started by rafaelctt |
7 Replies
4804 Views |
February 12, 2023, 12:51:55 pm by rafaelctt |
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7 Replies
6945 Views |
February 12, 2023, 10:17:01 am by RadioComm |
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Vibrochamp head cabinet plans/measurements
Started by J3ona1 |
9 Replies
6772 Views |
February 12, 2023, 09:50:36 am by bmccowan |
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Yamaha T100 Reverb Weirdness
Started by JustMike |
10 Replies
7367 Views |
February 12, 2023, 07:52:47 am by JustMike |
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DIY 1H Choke
Started by TIMBO |
10 Replies
6406 Views |
February 12, 2023, 06:14:41 am by tubeswell |
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32 Replies
10823 Views |
February 11, 2023, 07:40:07 pm by Petedub |
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Gibson BR3 help
Started by Jerry garrcia |
19 Replies
8894 Views |
February 11, 2023, 01:52:51 pm by Jerry garrcia |
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12 Replies
5953 Views |
February 11, 2023, 11:25:25 am by tdvt |
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? How to spec a transformer correctly
Started by acheld |
8 Replies
5064 Views |
February 11, 2023, 05:33:26 am by sluckey |
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Variac questions? Should I get one?
Started by Dumbmonkey |
17 Replies
7258 Views |
February 10, 2023, 02:57:25 pm by PRR |
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3 Replies
4354 Views |
February 10, 2023, 08:28:51 am by sluckey |
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Fender PA100
Started by jake19840 |
24 Replies
15580 Views |
February 10, 2023, 06:24:16 am by joesatch |
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Toroidal power transformer
Started by fossilshark |
7 Replies
7999 Views |
February 10, 2023, 06:22:10 am by tdvt |
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147 Replies
50710 Views |
February 08, 2023, 09:17:13 pm by bmccowan |
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Standalone chupacabra preamp
Started by fossilshark |
21 Replies
10373 Views |
February 08, 2023, 08:15:04 pm by fossilshark |
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77 Replies
24623 Views |
February 08, 2023, 08:05:28 pm by AlNewman |
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Optimized vs standard 5e3 layout?
Started by Ledvedder |
6 Replies
5412 Views |
February 08, 2023, 12:53:00 pm by Ledvedder |
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10 Replies
6749 Views |
February 08, 2023, 12:49:41 pm by sluckey |
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effects loop voltage
Started by fossilshark |
2 Replies
4593 Views |
February 07, 2023, 09:19:54 pm by fossilshark |
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Fender Champ 12
Started by RichieA |
4 Replies
5224 Views |
February 07, 2023, 01:58:08 pm by dude |
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7 Replies
5806 Views |
February 07, 2023, 11:53:49 am by Petedub |
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23 Replies
11787 Views |
February 06, 2023, 10:10:35 pm by sjcasas |
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Bogen CHB-100 project weirdness
Started by AmberB |
6 Replies
5623 Views |
February 06, 2023, 07:17:53 pm by AmberB |
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8 Replies
5269 Views |
February 06, 2023, 01:14:32 pm by isaac_teller |
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CTS Pot issues
Started by p2pAmps |
13 Replies
7079 Views |
February 06, 2023, 10:31:09 am by uki |
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0 Replies
3864 Views |
February 06, 2023, 10:09:20 am by joesatch |
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3 Replies
4244 Views |
February 06, 2023, 09:27:34 am by thetragichero |
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Princeton 6G2 too dark
Started by BobbyS |
9 Replies
5970 Views |
February 06, 2023, 07:06:59 am by HotBluePlates |
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Earth rail for Deluxe Reverb
Started by Petedub |
10 Replies
5441 Views |
February 06, 2023, 03:21:27 am by pdf64 |
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Hot Rod Deville Buzzing
Started by dpm309 |
20 Replies
6631 Views |
February 05, 2023, 10:17:05 pm by PRR |
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Marshall DSL 40
Started by Rockranger |
4 Replies
5551 Views |
February 05, 2023, 05:22:27 am by Rockranger |
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8 Replies
5511 Views |
February 03, 2023, 03:38:58 pm by jordane |
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V1 preamp tube DC on grid
Started by g-man |
5 Replies
5087 Views |
February 03, 2023, 02:38:40 pm by g-man |
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6 Replies
6018 Views |
February 03, 2023, 12:49:28 pm by PRR |
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Proposed 18W variations - sanity check?
Started by Lectroid |
8 Replies
6304 Views |
February 03, 2023, 11:31:25 am by Lectroid |
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13 Replies
6675 Views |
February 03, 2023, 04:21:21 am by dwinstonwood |
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IEC ground
Started by Blooze |
9 Replies
5796 Views |
February 02, 2023, 10:38:41 pm by glass54 |
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Everything was going ok when hiss appears in AB763 build.
Started by SourCream23 « 1 2 » |
77 Replies
24609 Views |
February 02, 2023, 07:43:25 pm by SourCream23 |
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1 Replies
4163 Views |
February 02, 2023, 01:04:36 pm by sluckey |
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Combining outputs from 2 tone stacks
Started by W5FH |
12 Replies
6533 Views |
February 02, 2023, 08:50:38 am by tubeswell |
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9 Replies
6431 Views |
February 01, 2023, 06:40:21 pm by tubenit |
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Input grid stoppers close to V1
Started by warsavius |
6 Replies
6128 Views |
February 01, 2023, 02:10:08 pm by warsavius |
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4 Replies
4916 Views |
February 01, 2023, 11:40:39 am by Hazcat |
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DC heater scematic recommendatoins
Started by Jonas |
11 Replies
5667 Views |
February 01, 2023, 03:26:16 am by tubeswell |
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P2P Tweedle Dee Completed Build
Started by Thisismyname |
15 Replies
7802 Views |
January 31, 2023, 01:34:29 pm by Thisismyname |
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Fromel electronecs amp mod kits
Started by punkykatt |
11 Replies
8089 Views |
January 31, 2023, 10:33:08 am by acheld |
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Blues Jr Reverb Pot inducing noise
Started by Garrett335 |
2 Replies
4307 Views |
January 30, 2023, 07:11:05 pm by Garrett335 |
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JCM800 standalone preamp
Started by fossilshark |
17 Replies
8428 Views |
January 30, 2023, 06:57:43 pm by T Wilcox |
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