Welcome To the Hoffman Amplifiers Forum
January 24, 2026, 05:20:26 am
Welcome To the Hoffman Amplifiers ForumJanuary 24, 2026, 05:20:26 am | ||
| Subject / Started by | Replies / Views | Last post  |
||
|---|---|---|---|---|
| 0 Members and 36 Guests are viewing this board. | ||||
|
|
Preamp voltage and tone Question
Started by tubenit |
10 Replies
4853 Views |
August 16, 2022, 11:20:30 amby shooter |
|
|
|
twisting B+ leads
Started by joesatch |
4 Replies
2662 Views |
August 16, 2022, 10:07:38 am by tubeswell |
|
|
|
too much gain on Ef86 Vox Ac15
Started by rafaelctt |
22 Replies
7432 Views |
August 16, 2022, 01:39:53 am by rafaelctt |
|
|
|
Q re: mixing circuit for Marshall’s
Started by RobBozic |
12 Replies
3983 Views |
August 15, 2022, 11:45:32 pm by Ed_Chambley |
|
|
|
Reverb tank impedances
Started by isaac_teller |
3 Replies
2439 Views |
August 14, 2022, 12:05:01 am by isaac_teller |
|
|
|
A jillion things to ground and to where?
Started by MrBreeze |
9 Replies
3497 Views |
August 13, 2022, 08:08:31 am by EL34 |
|
|
|
Having Trouble With the Math!!
Started by imgumby001 |
8 Replies
3063 Views |
August 12, 2022, 06:13:30 pm by imgumby001 |
|
|
|
Ampeg Gemini 1 Tremelo Problem (AGAIN)
Started by plexi50 |
19 Replies
6046 Views |
August 12, 2022, 03:26:58 pm by plexi50 |
|
|
|
19 Replies
14662 Views |
August 12, 2022, 09:05:29 am by wsscott |
|
|
|
|
3 Replies
2472 Views |
August 12, 2022, 01:30:37 am by Esquirefreak |
|
|
|
|
Over Capacitance
Started by jaster55 |
9 Replies
3388 Views |
August 12, 2022, 01:25:04 am by jaster55 |
|
|
New amp start up trouble
Started by Bieworm |
46 Replies
10135 Views |
August 12, 2022, 12:32:00 am by Bieworm |
|
|
|
5F1M Champ Micro Build
Started by EricR |
4 Replies
3049 Views |
August 11, 2022, 09:04:12 pm by EricR |
|
|
|
Dual PPIMV? Anyone?
Started by Ledvedder |
2 Replies
2282 Views |
August 11, 2022, 06:18:31 pm by acheld |
|
|
|
Anyone Recognize These?
Started by imgumby001 |
3 Replies
2610 Views |
August 11, 2022, 09:53:50 am by imgumby001 |
|
|
|
Blues junior build. No sound
Started by Brandonallen1212 |
13 Replies
3724 Views |
August 10, 2022, 06:31:23 pm by sluckey |
|
|
|
Univox amp
Started by Mats |
19 Replies
9091 Views |
August 10, 2022, 04:01:08 pm by kagliostro |
|
|
|
Hiwatt DR201 Choke?
Started by Balticnoiseforge |
18 Replies
6668 Views |
August 10, 2022, 09:42:54 am by JZRepair |
|
|
|
1 channel Tremolux in PR Chassis questions
Started by owen |
35 Replies
8860 Views |
August 09, 2022, 10:53:20 pm by owen |
|
|
|
Usage of 1760E or 1760H with EL84 pair
Started by Leevi |
12 Replies
3778 Views |
August 09, 2022, 10:25:05 am by dwinstonwood |
|
|
|
New 18 Watt Build
Started by zendragon63 |
1 Replies
2222 Views |
August 09, 2022, 05:10:03 am by tubenit |
|
|
|
135w UL Twin Reverb bias math
Started by winterturtle |
13 Replies
4660 Views |
August 08, 2022, 04:18:53 pm by shooter |
|
|
|
Runnin LED off heaters.
Started by joesatch |
30 Replies
7113 Views |
August 08, 2022, 01:55:42 pm by shooter |
|
|
|
5f6 layout help
Started by pizza |
9 Replies
3126 Views |
August 07, 2022, 12:03:45 pm by tubeswell |
|
|
|
My BF PR can REALLY do metal
Started by Dyerseve726 |
2 Replies
2603 Views |
August 06, 2022, 07:36:07 pm by Dyerseve726 |
|
|
63 Replies
20481 Views |
August 05, 2022, 11:53:32 pm by PRR |
|
|
|
|
Help Choosing Power Supply Layout
Started by Thisismyname |
5 Replies
2674 Views |
August 05, 2022, 10:06:14 am by acheld |
|
|
|
13 Replies
5706 Views |
August 05, 2022, 08:54:04 am by JZRepair |
|
|
|
|
Preamp signal path switching
Started by dunner84 |
4 Replies
2757 Views |
August 04, 2022, 03:55:22 pm by CascoSieg |
|
|
|
29 Replies
6889 Views |
August 04, 2022, 03:30:13 pm by shaun |
|
|
|
|
5E3 PTs and OTs?
Started by Voxbox |
11 Replies
3929 Views |
August 04, 2022, 03:29:04 pm by Voxbox |
|
|
|
2 Replies
2283 Views |
August 04, 2022, 05:48:44 am by Bieworm |
|
|
|
|
1974 Model A Sunn Speaker Choices?
Started by plexi50 |
11 Replies
4828 Views |
August 03, 2022, 07:31:27 am by plexi50 |
|
|
|
Tweed deluxe build
Started by Arry |
6 Replies
4695 Views |
August 02, 2022, 04:12:54 pm by bnwitt |
|
|
|
Switched Input with relay.
Started by joesatch |
11 Replies
3597 Views |
August 02, 2022, 04:00:35 pm by Williamblake |
|
|
|
Electrolytic bypass caps
Started by valvetones |
5 Replies
3453 Views |
August 02, 2022, 01:28:10 pm by shooter |
|
|
|
23 Replies
6633 Views |
August 01, 2022, 07:17:09 pm by winterturtle |
|
|
|
|
F&T variants
Started by joesatch |
14 Replies
4326 Views |
August 01, 2022, 04:32:38 pm by uki |
|
|
|
Harmony H303 Hum and Static
Started by scstill |
18 Replies
5300 Views |
July 31, 2022, 10:43:30 pm by PRR |
|
|
|
5Y3GT Filter capacitor
Started by dude |
13 Replies
5995 Views |
July 31, 2022, 09:03:35 pm by MrBreeze |
|
|
|
Univox U1000 repair/modification help
Started by Lucaswaggle |
19 Replies
6780 Views |
July 31, 2022, 02:38:26 pm by PRR |
|
|
|
Output transformer & choke location
Started by MrBreeze |
4 Replies
3096 Views |
July 31, 2022, 12:07:26 pm by dude |
|
|
|
EH-150/185 build complete
Started by Jerry garrcia |
1 Replies
2442 Views |
July 29, 2022, 07:36:24 pm by bmccowan |
|
|
|
37 Replies
8013 Views |
July 29, 2022, 10:18:58 am by Williamblake |
|
|
|
|
x
Started by fenderguy81 |
10 Replies
3284 Views |
July 27, 2022, 07:07:29 am by Latole |
|
|
|
Help with Supro 1960T
Started by Travis8 |
9 Replies
3435 Views |
July 27, 2022, 06:50:37 am by sluckey |
|
|
|
29 Replies
7256 Views |
July 26, 2022, 08:25:31 pm by Apexelectric |
|
|
|
|
6 Replies
3524 Views |
July 25, 2022, 10:44:21 pm by tubeswell |
|
|
|
|
7 Replies
3564 Views |
July 25, 2022, 12:48:23 pm by pdf64 |
|
|
|
|
Need reverb jack advice
Started by Lectroid |
11 Replies
4364 Views |
July 25, 2022, 11:19:32 am by Lectroid |
Normal Topic
Hot Topic (More than 25 replies)
Very Hot Topic (More than 50 replies)
Locked Topic
Sticky Topic
Poll
| Choose a link from the Hoffman Amplifiers parts catalog |
||
|
Mobile Device Catalog Link |
Yard Sale Discontinued |
Misc. Hardware |
| What's New |
Board Building Parts |
Amp trim Handles |
|
Lamps Diodes |
Hoffman Turret Boards |
Channel Switching |
| Resistors |
Fender Eyelet Boards |
Screws/Nuts Washers |
|
Jacks/Plugs Connectors |
Misc Eyelet Boards |
Tools |
| Capacitors |
Custom Boards |
Tubes Valves |
|
Pots Knobs |
Fuses/Cords |
Chassis |
|
Tube Sockets |
Switches |
Wire Cable |