Welcome To the Hoffman Amplifiers Forum
March 11, 2026, 11:18:40 am
Welcome To the Hoffman Amplifiers ForumMarch 11, 2026, 11:18:40 am | ||
| Subject / Started by | Replies / Views | Last post  |
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| 0 Members and 46 Guests are viewing this board. | ||||
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Gibson GA-8
Started by Leevi |
9 Replies
6504 Views |
October 01, 2022, 10:28:24 pmby Leevi |
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How to make my amp safe (shock)
Started by 12AX7 |
16 Replies
6044 Views |
October 01, 2022, 08:36:05 pm by PRR |
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Harmonic tremolo noise issue
Started by Esquirefreak |
7 Replies
3673 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
5638 Views |
September 30, 2022, 11:25:36 am by JPK |
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12 Replies
7745 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
9252 Views |
September 29, 2022, 03:58:36 pm by thetragichero |
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Soldano Astroverb Circuit Questions
Started by W5FH |
11 Replies
4990 Views |
September 29, 2022, 03:19:42 pm by sluckey |
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Marshall DSL 401 biasing question
Started by JZRepair |
12 Replies
5261 Views |
September 29, 2022, 02:25:57 pm by JZRepair |
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G3 to ground
Started by knebiter |
3 Replies
2702 Views |
September 28, 2022, 11:52:45 pm by PRR |
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DR One-channel - No Reverb
Started by Lectroid |
15 Replies
4984 Views |
September 28, 2022, 12:57:52 pm by Lectroid |
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type of potentiometers
Started by rafaelctt |
4 Replies
3922 Views |
September 28, 2022, 10:04:26 am by rafaelctt |
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4 Replies
4261 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
5572 Views |
September 27, 2022, 01:37:52 pm by Mr.Death |
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14 Replies
4472 Views |
September 26, 2022, 10:40:11 pm by PRR |
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Ward Airline GIM 9171A
Started by BruceWA |
4 Replies
3487 Views |
September 26, 2022, 02:05:45 pm by BruceWA |
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Rickenbacker M12 Schematic
Started by dpm309 |
4 Replies
3538 Views |
September 24, 2022, 10:30:59 pm by dpm309 |
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10 Replies
5731 Views |
September 24, 2022, 03:11:05 pm by 12AX7 |
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5e3 Hoffman Layout build issue
Started by Rafiote |
7 Replies
3536 Views |
September 24, 2022, 01:03:29 pm by Rafiote |
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2 Replies
3382 Views |
September 24, 2022, 04:48:29 am by kagliostro |
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28 Replies
7400 Views |
September 23, 2022, 12:53:22 pm by shooter |
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144 Replies
37009 Views |
September 22, 2022, 10:22:41 am by scottcurry13 |
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11 Replies
4623 Views |
September 22, 2022, 10:06:41 am by Lectroid |
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B15N Preamp DI layout
Started by Jatchley |
7 Replies
7625 Views |
September 22, 2022, 09:27:11 am by sluckey |
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1 Replies
4279 Views |
September 22, 2022, 09:06:16 am by Lectroid |
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83 Replies
30214 Views |
September 21, 2022, 04:27:24 am by kr2p |
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Circuit switching
Started by Zenabi |
5 Replies
3055 Views |
September 20, 2022, 04:25:32 pm by Zenabi |
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Question about bias resistors
Started by Mr.Death |
16 Replies
5489 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
4227 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
2624 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
10318 Views |
September 19, 2022, 04:00:12 pm by silat |
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6G15 with Tremolo
Started by Leevi |
26 Replies
7569 Views |
September 19, 2022, 07:55:08 am by ac427v |
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The Eris 18 Amplifier
Started by darryl |
14 Replies
7552 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
6185 Views |
September 18, 2022, 06:24:55 pm by punkykatt |
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Signal strength for testing
Started by acheld |
5 Replies
3516 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
3892 Views |
September 18, 2022, 05:59:59 am by Latole |
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Does this pot exist?
Started by joesatch |
4 Replies
3835 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
5717 Views |
September 17, 2022, 05:42:33 pm by Mr.Death |
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1970 Twin Reverb
Started by bbmade |
2 Replies
3043 Views |
September 17, 2022, 04:58:38 pm by bbmade |
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Tube chart template?
Started by Voxbox |
8 Replies
4401 Views |
September 17, 2022, 04:15:08 am by Voxbox |
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6V6 single end output transformer
Started by Peter212 |
6 Replies
5233 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
10312 Views |
September 16, 2022, 06:52:28 pm by Tone Junkie |
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6 Replies
4233 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
9038 Views |
September 16, 2022, 12:30:59 pm by PRR |
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Gibson Titan Medalist
Started by GT7756 |
5 Replies
5009 Views |
September 16, 2022, 12:24:36 pm by sluckey |
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No sound on supro build
Started by swingarm |
11 Replies
4632 Views |
September 15, 2022, 06:23:13 pm by pbl4845 |
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2 Replies
3262 Views |
September 15, 2022, 05:55:10 am by 22uf |
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Weekender Octal
Started by scstill |
9 Replies
4688 Views |
September 14, 2022, 06:32:50 pm by scstill |
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DR One channel -- Strange B+ numbers
Started by Lectroid |
43 Replies
11484 Views |
September 14, 2022, 08:27:20 am by Lectroid |
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3 Replies
4035 Views |
September 13, 2022, 04:54:37 pm by Pavels07 |
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Rauland-Borg 1916 PA to guitar amp
Started by punkykatt |
27 Replies
11691 Views |
September 13, 2022, 12:35:55 pm by Lectroid |
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