Welcome To the Hoffman Amplifiers Forum
October 22, 2025, 05:19:14 pm
Welcome To the Hoffman Amplifiers ForumOctober 22, 2025, 05:19:14 pm | ||
| Subject / Started by | Replies / Views | Last post  |
||
|---|---|---|---|---|
| 0 Members and 60 Guests are viewing this board. | ||||
|
|
6 Replies
2590 Views |
November 10, 2022, 10:45:57 pmby HotBluePlates |
|
|
|
|
9 Replies
2989 Views |
November 10, 2022, 10:24:28 pm by ES125guy |
|
|
|
|
Motorboating on bass pot
Started by Mr.Death |
20 Replies
4398 Views |
November 10, 2022, 09:44:33 am by Mr.Death |
|
|
26 Replies
8082 Views |
November 09, 2022, 09:00:11 pm by thetragichero |
|
|
|
|
Phoenix build
Started by Auke Jolman |
6 Replies
2961 Views |
November 09, 2022, 06:30:28 am by Auke Jolman |
|
|
|
3 way NFB switch troubleshooting
Started by Ledvedder |
6 Replies
2883 Views |
November 09, 2022, 04:30:03 am by kagliostro |
|
|
|
1930's radio conversion
Started by ALBATROS1234 |
6 Replies
2726 Views |
November 08, 2022, 07:37:06 pm by scstill |
|
|
|
New 5e3 build voltage check
Started by Ledvedder |
10 Replies
3116 Views |
November 08, 2022, 11:17:55 am by JPK |
|
|
99 Replies
16333 Views |
November 08, 2022, 09:17:42 am by pdf64 |
|
|
|
|
0 Replies
1940 Views |
November 07, 2022, 06:21:39 pm by Steve Fundy |
|
|
|
|
Scrap Build, Sluckey Dual Lite, planning
Started by CrocMule |
13 Replies
3988 Views |
November 07, 2022, 06:39:02 am by mresistor |
|
|
|
15BD11A....
Started by TIMBO |
38 Replies
7154 Views |
November 07, 2022, 04:10:26 am by shooter |
|
|
|
why the huge difference in R values?
Started by 12AX7 |
17 Replies
4883 Views |
November 06, 2022, 09:56:56 pm by 12AX7 |
|
|
|
80 Replies
12822 Views |
November 06, 2022, 09:49:45 pm by Ledvedder |
|
|
|
|
question about plate voltage to V1
Started by joesatch |
9 Replies
3012 Views |
November 05, 2022, 06:51:27 pm by HotBluePlates |
|
|
|
2 Replies
1979 Views |
November 05, 2022, 04:42:57 pm by HotBluePlates |
|
|
|
|
8 Replies
3060 Views |
November 05, 2022, 12:36:18 pm by DummyLoad |
|
|
|
|
21 Replies
8734 Views |
November 05, 2022, 10:33:00 am by W5FH |
|
|
|
|
6 Replies
2674 Views |
November 05, 2022, 10:20:35 am by joesatch |
|
|
|
|
5e3 - alternate speaker jack wiring?
Started by Ledvedder |
1 Replies
1898 Views |
November 04, 2022, 11:19:37 am by pdf64 |
|
|
|
5 Replies
3006 Views |
November 03, 2022, 05:42:41 pm by Carlsoti |
|
|
|
|
Power Transformer Recommendation - 2x6550
Started by W5FH |
3 Replies
2390 Views |
November 03, 2022, 10:59:28 am by W5FH |
|
|
|
hammond 372BX connections
Started by rafaelctt |
7 Replies
3015 Views |
November 03, 2022, 10:53:42 am by rafaelctt |
|
|
|
Switchcraft vs. Cliff 1/4" Jacks
Started by DuaneOh |
3 Replies
3196 Views |
November 02, 2022, 06:20:48 pm by acheld |
|
|
|
6j6 LTP experiment
Started by BrainDeadAmps |
4 Replies
2848 Views |
November 01, 2022, 06:53:18 pm by BrainDeadAmps |
|
|
|
22 Replies
11407 Views |
November 01, 2022, 12:38:43 am by PRR |
|
|
|
|
Behavior of 807 power tubes
Started by Leevi |
1 Replies
1926 Views |
November 01, 2022, 12:34:47 am by PRR |
|
|
|
6BM8 triode plate resistor Q
Started by tubenit |
8 Replies
2828 Views |
October 31, 2022, 12:03:05 pm by PRR |
|
|
|
4 Replies
2487 Views |
October 31, 2022, 09:26:00 am by JPK |
|
|
|
|
5F1 Build Thumping Problem?
Started by oogabooga23 |
11 Replies
2982 Views |
October 30, 2022, 08:23:05 pm by oogabooga23 |
|
|
|
Ampeg B-15-NF question
Started by mresistor |
5 Replies
2658 Views |
October 30, 2022, 06:48:55 pm by mresistor |
|
|
|
How to Wire Unused Triodes
Started by Thisismyname |
5 Replies
2858 Views |
October 30, 2022, 11:48:53 am by sluckey |
|
|
|
3 Replies
3034 Views |
October 30, 2022, 05:35:20 am by pdf64 |
|
|
|
|
Vox or Lightning Preamp
Started by johngovan |
4 Replies
2119 Views |
October 29, 2022, 10:01:16 am by jordan86 |
|
|
|
Tonestack switching confusion
Started by Zenabi |
14 Replies
3787 Views |
October 29, 2022, 10:00:45 am by Zenabi |
|
|
|
16 Replies
4243 Views |
October 29, 2022, 12:09:47 am by jordan86 |
|
|
|
|
9 Replies
4024 Views |
October 28, 2022, 03:21:54 pm by Willabe |
|
|
|
|
Artificial center tap for my 5e3 build
Started by Ledvedder |
2 Replies
2164 Views |
October 28, 2022, 07:03:26 am by Ledvedder |
|
|
|
5 Replies
2826 Views |
October 27, 2022, 09:36:18 pm by PRR |
|
|
|
|
HiWatt DR-103 Phase Inverter
Started by W5FH |
3 Replies
3142 Views |
October 26, 2022, 09:19:35 pm by W5FH |
|
|
|
Reverb problem Sound X-305R
Started by jamesedmunda |
0 Replies
1834 Views |
October 26, 2022, 05:31:27 pm by jamesedmunda |
|
|
|
Good 5e3 build instructions?
Started by Ledvedder |
3 Replies
2279 Views |
October 26, 2022, 12:41:00 pm by sluckey |
|
|
|
St George Massie 1263 Scratchy Sound
Started by oogabooga23 |
13 Replies
3288 Views |
October 26, 2022, 12:39:24 pm by oogabooga23 |
|
|
|
Circuit question
Started by joesatch |
1 Replies
1976 Views |
October 26, 2022, 09:40:44 am by sluckey |
|
|
|
55 Replies
12056 Views |
October 26, 2022, 08:29:21 am by Ledvedder |
|
|
|
|
Help! Adding a choke to Maggie
Started by johngovan |
2 Replies
2644 Views |
October 25, 2022, 05:45:37 pm by johngovan |
|
|
|
SS rectifier snubber networks
Started by Esquirefreak |
18 Replies
4928 Views |
October 25, 2022, 03:45:58 pm by Esquirefreak |
|
|
|
unusual results from bright cap
Started by joesatch |
4 Replies
2289 Views |
October 25, 2022, 10:50:22 am by joesatch |
|
|
|
Is this a ceramic?
Started by 12AX7 |
18 Replies
4090 Views |
October 25, 2022, 10:46:38 am by acheld |
|
|
|
JCM 800 Series 50 Watt Bass Amp
Started by W5FH |
4 Replies
2854 Views |
October 25, 2022, 10:13:56 am by pdf64 |
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 |