Welcome To the Hoffman Amplifiers Forum
September 06, 2025, 09:27:29 am
Welcome To the Hoffman Amplifiers ForumSeptember 06, 2025, 09:27:29 am | ||
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| 0 Members and 29 Guests are viewing this board. | ||||
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Sunn Grid Noise
Started by plexi50 |
10 Replies
2497 Views |
August 22, 2022, 08:06:20 amby plexi50 |
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5881 vs 6L6GB
Started by imgumby001 |
7 Replies
2610 Views |
August 22, 2022, 05:46:56 am by HotBluePlates |
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Twin Reverb II Biasing Question
Started by dpm309 |
7 Replies
2748 Views |
August 21, 2022, 03:45:12 pm by dpm309 |
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4 Replies
1918 Views |
August 21, 2022, 12:15:31 pm by kagliostro |
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Help with ID of this resistor
Started by Apexelectric |
10 Replies
2765 Views |
August 20, 2022, 06:46:59 pm by Apexelectric |
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3 button footswitch with a TRS ?
Started by joesatch |
10 Replies
3050 Views |
August 20, 2022, 05:16:40 pm by Williamblake |
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Gibson GA50 question
Started by Leevi |
3 Replies
2105 Views |
August 20, 2022, 07:41:37 am by pdf64 |
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S#!t! - That's A Lot of Iron!
Started by DummyLoad |
3 Replies
2103 Views |
August 20, 2022, 04:34:56 am by zircontweezer |
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10 Replies
4019 Views |
August 19, 2022, 09:22:57 pm by DummyLoad |
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14 Replies
3104 Views |
August 19, 2022, 07:44:47 pm by Coldhand75 |
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6JB6A in a guitar amp
Started by Hojvaelde |
7 Replies
2894 Views |
August 19, 2022, 04:03:55 pm by PRR |
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Vibrochamp tremolo question
Started by Esquirefreak |
1 Replies
1629 Views |
August 18, 2022, 07:45:07 pm by tubeswell |
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RC4558 OP Amp Voltage Max
Started by plexi50 |
11 Replies
3306 Views |
August 17, 2022, 09:41:50 pm by DummyLoad |
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1974 Sunn Model A No Sound!
Started by plexi50 |
40 Replies
6583 Views |
August 17, 2022, 06:53:32 pm by PRR |
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3 Replies
1818 Views |
August 17, 2022, 06:29:20 pm by PRR |
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Sluckey's Trem-O-Nator in a Deluxe NR
Started by mk_716 |
1 Replies
1587 Views |
August 17, 2022, 02:00:57 pm by sluckey |
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4 Replies
2165 Views |
August 17, 2022, 10:57:01 am by dude |
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Preamp voltage and tone Question
Started by tubenit |
10 Replies
3654 Views |
August 16, 2022, 11:20:30 am by shooter |
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twisting B+ leads
Started by joesatch |
4 Replies
2183 Views |
August 16, 2022, 10:07:38 am by tubeswell |
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too much gain on Ef86 Vox Ac15
Started by rafaelctt |
22 Replies
5392 Views |
August 16, 2022, 01:39:53 am by rafaelctt |
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Q re: mixing circuit for Marshall’s
Started by RobBozic |
12 Replies
3132 Views |
August 15, 2022, 11:45:32 pm by Ed_Chambley |
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Reverb tank impedances
Started by isaac_teller |
3 Replies
1847 Views |
August 14, 2022, 12:05:01 am by isaac_teller |
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A jillion things to ground and to where?
Started by MrBreeze |
9 Replies
2508 Views |
August 13, 2022, 08:08:31 am by EL34 |
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Having Trouble With the Math!!
Started by imgumby001 |
8 Replies
2320 Views |
August 12, 2022, 06:13:30 pm by imgumby001 |
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Ampeg Gemini 1 Tremelo Problem (AGAIN)
Started by plexi50 |
19 Replies
4282 Views |
August 12, 2022, 03:26:58 pm by plexi50 |
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19 Replies
13361 Views |
August 12, 2022, 09:05:29 am by wsscott |
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3 Replies
1914 Views |
August 12, 2022, 01:30:37 am by Esquirefreak |
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Over Capacitance
Started by jaster55 |
9 Replies
2506 Views |
August 12, 2022, 01:25:04 am by jaster55 |
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New amp start up trouble
Started by Bieworm |
46 Replies
6985 Views |
August 12, 2022, 12:32:00 am by Bieworm |
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5F1M Champ Micro Build
Started by EricR |
4 Replies
2171 Views |
August 11, 2022, 09:04:12 pm by EricR |
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Dual PPIMV? Anyone?
Started by Ledvedder |
2 Replies
1740 Views |
August 11, 2022, 06:18:31 pm by acheld |
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Anyone Recognize These?
Started by imgumby001 |
3 Replies
1962 Views |
August 11, 2022, 09:53:50 am by imgumby001 |
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Blues junior build. No sound
Started by Brandonallen1212 |
13 Replies
2711 Views |
August 10, 2022, 06:31:23 pm by sluckey |
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Univox amp
Started by Mats |
19 Replies
7489 Views |
August 10, 2022, 04:01:08 pm by kagliostro |
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Hiwatt DR201 Choke?
Started by Balticnoiseforge |
18 Replies
5286 Views |
August 10, 2022, 09:42:54 am by JZRepair |
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1 channel Tremolux in PR Chassis questions
Started by owen |
35 Replies
6424 Views |
August 09, 2022, 10:53:20 pm by owen |
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Usage of 1760E or 1760H with EL84 pair
Started by Leevi |
12 Replies
3051 Views |
August 09, 2022, 10:25:05 am by dwinstonwood |
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New 18 Watt Build
Started by zendragon63 |
1 Replies
1736 Views |
August 09, 2022, 05:10:03 am by tubenit |
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135w UL Twin Reverb bias math
Started by winterturtle |
13 Replies
3415 Views |
August 08, 2022, 04:18:53 pm by shooter |
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Runnin LED off heaters.
Started by joesatch |
30 Replies
5233 Views |
August 08, 2022, 01:55:42 pm by shooter |
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5f6 layout help
Started by pizza |
9 Replies
2456 Views |
August 07, 2022, 12:03:45 pm by tubeswell |
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My BF PR can REALLY do metal
Started by Dyerseve726 |
2 Replies
1948 Views |
August 06, 2022, 07:36:07 pm by Dyerseve726 |
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63 Replies
17131 Views |
August 05, 2022, 11:53:32 pm by PRR |
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Help Choosing Power Supply Layout
Started by Thisismyname |
5 Replies
2032 Views |
August 05, 2022, 10:06:14 am by acheld |
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13 Replies
4389 Views |
August 05, 2022, 08:54:04 am by JZRepair |
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Preamp signal path switching
Started by dunner84 |
4 Replies
2026 Views |
August 04, 2022, 03:55:22 pm by CascoSieg |
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29 Replies
4992 Views |
August 04, 2022, 03:30:13 pm by shaun |
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5E3 PTs and OTs?
Started by Voxbox |
11 Replies
3017 Views |
August 04, 2022, 03:29:04 pm by Voxbox |
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2 Replies
1833 Views |
August 04, 2022, 05:48:44 am by Bieworm |
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1974 Model A Sunn Speaker Choices?
Started by plexi50 |
11 Replies
3702 Views |
August 03, 2022, 07:31:27 am by plexi50 |
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