Welcome To the Hoffman Amplifiers Forum
August 29, 2026, 07:34:35 pm
Welcome To the Hoffman Amplifiers ForumAugust 29, 2026, 07:34:35 pm | ||
| Subject / Started by | Replies / Views | Last post  |
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| 0 Members and 74 Guests are viewing this board. | ||||
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5E3 with Pre and PI series heater wiring
Started by scstill |
1 Replies
4328 Views |
October 04, 2022, 06:11:05 pmby pdf64 |
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Tube Guitar Preamp with a Chip Amp
Started by dbishopbliss |
7 Replies
7040 Views |
October 04, 2022, 03:50:24 pm by dbishopbliss |
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Master volume on Musicmaster amp
Started by isaac_teller |
9 Replies
6766 Views |
October 03, 2022, 12:01:07 pm by PRR |
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My Vox Ac15 playing
Started by rafaelctt |
32 Replies
10705 Views |
October 03, 2022, 11:36:46 am by rafaelctt |
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19 Replies
10770 Views |
October 03, 2022, 09:44:16 am by jacobarber |
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6G16 Build
Started by p2pAmps |
3 Replies
4089 Views |
October 02, 2022, 07:02:09 pm by bmccowan |
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2 Replies
4016 Views |
October 02, 2022, 05:11:00 am by kagliostro |
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Gibson GA-8
Started by Leevi |
9 Replies
8395 Views |
October 01, 2022, 10:28:24 pm by Leevi |
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How to make my amp safe (shock)
Started by 12AX7 |
16 Replies
8596 Views |
October 01, 2022, 08:36:05 pm by PRR |
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Harmonic tremolo noise issue
Started by Esquirefreak |
7 Replies
5349 Views |
October 01, 2022, 12:38:59 pm by Esquirefreak |
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Cliff style jack on new amp build
Started by JPK |
10 Replies
8107 Views |
September 30, 2022, 11:25:36 am by JPK |
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12 Replies
9529 Views |
September 30, 2022, 12:54:41 am by Tone Junkie |
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120hz hum only in phase inverter
Started by thetragichero |
37 Replies
12414 Views |
September 29, 2022, 03:58:36 pm by thetragichero |
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Soldano Astroverb Circuit Questions
Started by W5FH |
11 Replies
6734 Views |
September 29, 2022, 03:19:42 pm by sluckey |
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Marshall DSL 401 biasing question
Started by JZRepair |
12 Replies
7796 Views |
September 29, 2022, 02:25:57 pm by JZRepair |
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G3 to ground
Started by knebiter |
3 Replies
4197 Views |
September 28, 2022, 11:52:45 pm by PRR |
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DR One-channel - No Reverb
Started by Lectroid |
15 Replies
6918 Views |
September 28, 2022, 12:57:52 pm by Lectroid |
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type of potentiometers
Started by rafaelctt |
4 Replies
6473 Views |
September 28, 2022, 10:04:26 am by rafaelctt |
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4 Replies
5964 Views |
September 27, 2022, 09:50:53 pm by PRR |
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Coupling capacitors for V1 V2.
Started by Mr.Death |
11 Replies
7798 Views |
September 27, 2022, 01:37:52 pm by Mr.Death |
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14 Replies
6521 Views |
September 26, 2022, 10:40:11 pm by PRR |
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Ward Airline GIM 9171A
Started by BruceWA |
4 Replies
5111 Views |
September 26, 2022, 02:05:45 pm by BruceWA |
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Rickenbacker M12 Schematic
Started by dpm309 |
4 Replies
5216 Views |
September 24, 2022, 10:30:59 pm by dpm309 |
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10 Replies
7898 Views |
September 24, 2022, 03:11:05 pm by 12AX7 |
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5e3 Hoffman Layout build issue
Started by Rafiote |
7 Replies
5209 Views |
September 24, 2022, 01:03:29 pm by Rafiote |
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2 Replies
4959 Views |
September 24, 2022, 04:48:29 am by kagliostro |
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28 Replies
10497 Views |
September 23, 2022, 12:53:22 pm by shooter |
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144 Replies
59517 Views |
September 22, 2022, 10:22:41 am by scottcurry13 |
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11 Replies
6559 Views |
September 22, 2022, 10:06:41 am by Lectroid |
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B15N Preamp DI layout
Started by Jatchley |
7 Replies
9426 Views |
September 22, 2022, 09:27:11 am by sluckey |
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1 Replies
6113 Views |
September 22, 2022, 09:06:16 am by Lectroid |
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83 Replies
39660 Views |
September 21, 2022, 04:27:24 am by kr2p |
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Circuit switching
Started by Zenabi |
5 Replies
4617 Views |
September 20, 2022, 04:25:32 pm by Zenabi |
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Question about bias resistors
Started by Mr.Death |
16 Replies
7702 Views |
September 20, 2022, 04:05:10 pm by sluckey |
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Ampeg tranny black cover epxy
Started by Colas LeGrippa |
7 Replies
6306 Views |
September 20, 2022, 10:47:23 am by vampwizzard |
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I wonder if this is normal...
Started by Bieworm |
1 Replies
4190 Views |
September 20, 2022, 04:44:55 am by sluckey |
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5f1 Champ with a master Volume
Started by silat |
24 Replies
13760 Views |
September 19, 2022, 04:00:12 pm by silat |
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6G15 with Tremolo
Started by Leevi |
26 Replies
10405 Views |
September 19, 2022, 07:55:08 am by ac427v |
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The Eris 18 Amplifier
Started by darryl |
14 Replies
9796 Views |
September 18, 2022, 09:40:59 pm by Cliff Rogers |
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Lab Series L3 model 316A
Started by punkykatt |
15 Replies
8017 Views |
September 18, 2022, 06:24:55 pm by punkykatt |
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Signal strength for testing
Started by acheld |
5 Replies
5210 Views |
September 18, 2022, 09:53:59 am by acheld |
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Problem - 100hz Hum in Vox AC30 CC2X
Started by whoops |
7 Replies
5617 Views |
September 18, 2022, 05:59:59 am by Latole |
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Does this pot exist?
Started by joesatch |
4 Replies
5544 Views |
September 17, 2022, 09:47:03 pm by thetragichero |
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TRAYNOR YBA-3 HIGH GAIN MODS
Started by Mr.Death |
14 Replies
7609 Views |
September 17, 2022, 05:42:33 pm by Mr.Death |
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1970 Twin Reverb
Started by bbmade |
2 Replies
4673 Views |
September 17, 2022, 04:58:38 pm by bbmade |
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Tube chart template?
Started by Voxbox |
8 Replies
6293 Views |
September 17, 2022, 04:15:08 am by Voxbox |
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6V6 single end output transformer
Started by Peter212 |
6 Replies
7563 Views |
September 16, 2022, 09:29:49 pm by roarshock |
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Suggestions for New Small Build 5W
Started by Spock |
29 Replies
13456 Views |
September 16, 2022, 06:52:28 pm by Tone Junkie |
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6 Replies
6031 Views |
September 16, 2022, 03:56:36 pm by Carlsoti |
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Magnecord reel to reel voltages
Started by Siemens EL34 |
29 Replies
12826 Views |
September 16, 2022, 12:30:59 pm by PRR |
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