Welcome To the Hoffman Amplifiers Forum
September 06, 2025, 09:22:19 am
Welcome To the Hoffman Amplifiers ForumSeptember 06, 2025, 09:22:19 am | ||
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| 0 Members and 21 Guests are viewing this board. | ||||
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Cliff style jack on new amp build
Started by JPK |
10 Replies
3839 Views |
September 30, 2022, 11:25:36 amby JPK |
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12 Replies
6392 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
6769 Views |
September 29, 2022, 03:58:36 pm by thetragichero |
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Soldano Astroverb Circuit Questions
Started by W5FH |
11 Replies
3518 Views |
September 29, 2022, 03:19:42 pm by sluckey |
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Marshall DSL 401 biasing question
Started by JZRepair |
12 Replies
3473 Views |
September 29, 2022, 02:25:57 pm by JZRepair |
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G3 to ground
Started by knebiter |
3 Replies
1766 Views |
September 28, 2022, 11:52:45 pm by PRR |
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DR One-channel - No Reverb
Started by Lectroid |
15 Replies
3529 Views |
September 28, 2022, 12:57:52 pm by Lectroid |
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type of potentiometers
Started by rafaelctt |
4 Replies
2560 Views |
September 28, 2022, 10:04:26 am by rafaelctt |
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4 Replies
2919 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
3860 Views |
September 27, 2022, 01:37:52 pm by Mr.Death |
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14 Replies
3002 Views |
September 26, 2022, 10:40:11 pm by PRR |
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Ward Airline GIM 9171A
Started by BruceWA |
4 Replies
2258 Views |
September 26, 2022, 02:05:45 pm by BruceWA |
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Rickenbacker M12 Schematic
Started by dpm309 |
4 Replies
2165 Views |
September 24, 2022, 10:30:59 pm by dpm309 |
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10 Replies
4060 Views |
September 24, 2022, 03:11:05 pm by 12AX7 |
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5e3 Hoffman Layout build issue
Started by Rafiote |
7 Replies
2379 Views |
September 24, 2022, 01:03:29 pm by Rafiote |
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2 Replies
2197 Views |
September 24, 2022, 04:48:29 am by kagliostro |
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28 Replies
4962 Views |
September 23, 2022, 12:53:22 pm by shooter |
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144 Replies
24584 Views |
September 22, 2022, 10:22:41 am by scottcurry13 |
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11 Replies
2977 Views |
September 22, 2022, 10:06:41 am by Lectroid |
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B15N Preamp DI layout
Started by Jatchley |
7 Replies
5743 Views |
September 22, 2022, 09:27:11 am by sluckey |
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1 Replies
2986 Views |
September 22, 2022, 09:06:16 am by Lectroid |
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83 Replies
23202 Views |
September 21, 2022, 04:27:24 am by kr2p |
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Circuit switching
Started by Zenabi |
5 Replies
2134 Views |
September 20, 2022, 04:25:32 pm by Zenabi |
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Question about bias resistors
Started by Mr.Death |
16 Replies
3803 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
2569 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
1724 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
7593 Views |
September 19, 2022, 04:00:12 pm by silat |
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6G15 with Tremolo
Started by Leevi |
26 Replies
5288 Views |
September 19, 2022, 07:55:08 am by ac427v |
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The Eris 18 Amplifier
Started by darryl |
14 Replies
5774 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
4441 Views |
September 18, 2022, 06:24:55 pm by punkykatt |
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Signal strength for testing
Started by acheld |
5 Replies
2287 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
2516 Views |
September 18, 2022, 05:59:59 am by Latole |
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Does this pot exist?
Started by joesatch |
4 Replies
2408 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
3869 Views |
September 17, 2022, 05:42:33 pm by Mr.Death |
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1970 Twin Reverb
Started by bbmade |
2 Replies
1768 Views |
September 17, 2022, 04:58:38 pm by bbmade |
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Tube chart template?
Started by Voxbox |
8 Replies
2820 Views |
September 17, 2022, 04:15:08 am by Voxbox |
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6V6 single end output transformer
Started by Peter212 |
6 Replies
3376 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
7917 Views |
September 16, 2022, 06:52:28 pm by Tone Junkie |
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6 Replies
2699 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
5411 Views |
September 16, 2022, 12:30:59 pm by PRR |
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Gibson Titan Medalist
Started by GT7756 |
5 Replies
3025 Views |
September 16, 2022, 12:24:36 pm by sluckey |
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No sound on supro build
Started by swingarm |
11 Replies
3297 Views |
September 15, 2022, 06:23:13 pm by pbl4845 |
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2 Replies
1849 Views |
September 15, 2022, 05:55:10 am by 22uf |
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Weekender Octal
Started by scstill |
9 Replies
2957 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
6894 Views |
September 14, 2022, 08:27:20 am by Lectroid |
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3 Replies
2383 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
9363 Views |
September 13, 2022, 12:35:55 pm by Lectroid |
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Ideas for a guitar case amp?
Started by Jennings |
49 Replies
10530 Views |
September 13, 2022, 06:40:39 am by Jennings |
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17 Replies
10695 Views |
September 12, 2022, 02:55:44 pm by HotBluePlates |
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Magnatone MP3 verb PP driver
Started by Willabe |
5 Replies
3008 Views |
September 12, 2022, 11:30:41 am by Willabe |
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