Welcome To the Hoffman Amplifiers Forum
December 08, 2025, 01:12:59 pm
Welcome To the Hoffman Amplifiers ForumDecember 08, 2025, 01:12:59 pm | ||
| Subject / Started by | Replies / Views | Last post  |
||
|---|---|---|---|---|
| 0 Members and 113 Guests are viewing this board. | ||||
|
|
The TMB Tone Stack Discussion
Started by Platefire |
27 Replies
8846 Views |
December 19, 2022, 09:40:37 pmby Platefire |
|
|
Hum neutralizing circuit
Started by sluckey |
9 Replies
4434 Views |
December 19, 2022, 05:41:53 pm by shooter |
|
|
|
6G14-A Showman coming out of retirement
Started by tdvt |
4 Replies
3001 Views |
December 19, 2022, 04:36:47 pm by tdvt |
|
|
|
2 Replies
2588 Views |
December 19, 2022, 08:38:06 am by kagliostro |
|
|
|
|
18 watt tremolo cascading
Started by Bieworm |
44 Replies
12948 Views |
December 19, 2022, 08:01:45 am by Bieworm |
|
|
|
Turns ratio of OT
Started by dude |
8 Replies
3142 Views |
December 18, 2022, 06:36:57 pm by HotBluePlates |
|
|
|
Fender Bassman 100 cap question
Started by Erik Aa |
15 Replies
4092 Views |
December 18, 2022, 12:30:54 pm by sluckey |
|
|
|
Super Champ XD Donor
Started by JustMike |
9 Replies
3817 Views |
December 18, 2022, 08:21:13 am by JustMike |
|
|
|
35 Replies
8466 Views |
December 18, 2022, 06:32:20 am by Jerry garrcia |
|
|
|
|
5E3 Build time?
Started by Voxbox |
14 Replies
4938 Views |
December 18, 2022, 04:32:10 am by p2pAmps |
|
|
|
Power switch pop
Started by Leevi |
14 Replies
4192 Views |
December 18, 2022, 12:30:01 am by Leevi |
|
|
|
14 Replies
5097 Views |
December 17, 2022, 02:11:48 pm by madnis |
|
|
|
|
Hohner Kingstar 20 suggestions
Started by Kesi from Hungary |
3 Replies
2703 Views |
December 17, 2022, 11:34:17 am by Kesi from Hungary |
|
|
|
How to identify part values....
Started by mmrxcsr01 |
10 Replies
3332 Views |
December 17, 2022, 08:57:53 am by mmrxcsr01 |
|
|
|
Help me understand this screen supply
Started by Duckmang |
17 Replies
5538 Views |
December 16, 2022, 09:47:06 pm by Duckmang |
|
|
|
5840 tube question
Started by Oddvar |
5 Replies
3449 Views |
December 16, 2022, 05:48:24 pm by scstill |
|
|
|
New versus old Jensen P12Q speakers
Started by Voxbox |
0 Replies
2087 Views |
December 16, 2022, 11:02:35 am by Voxbox |
|
|
|
5 Replies
3311 Views |
December 16, 2022, 08:10:08 am by JPK |
|
|
|
|
18 Replies
5572 Views |
December 15, 2022, 09:51:38 pm by Fraggy0117 |
|
|
|
|
Stop channel interaction on modded bassman
Started by Kev01 |
22 Replies
5578 Views |
December 15, 2022, 09:00:25 pm by bmccowan |
|
|
|
a bias procedure question
Started by pbman1953 |
20 Replies
5469 Views |
December 14, 2022, 07:06:22 pm by tubeswell |
|
|
|
Watkins Copicat tape speed question
Started by Jennings |
2 Replies
2110 Views |
December 14, 2022, 06:51:35 pm by acheld |
|
|
|
Sunn Clone
Started by DummyLoad |
26 Replies
5974 Views |
December 14, 2022, 11:41:44 am by Platefire |
|
|
|
8 Replies
4182 Views |
December 14, 2022, 10:25:39 am by Voxbox |
|
|
|
|
Marshall Origin mod troubleshooting
Started by Ledvedder |
6 Replies
3963 Views |
December 14, 2022, 07:41:12 am by Ledvedder |
|
|
|
High VAC on B+
Started by CrocMule |
16 Replies
4257 Views |
December 14, 2022, 06:11:54 am by HotBluePlates |
|
|
|
Mod filters
Started by dude |
4 Replies
3205 Views |
December 14, 2022, 05:44:34 am by HotBluePlates |
|
|
|
4 Replies
2445 Views |
December 13, 2022, 11:44:09 pm by swingarm |
|
|
|
|
Harvard Amp Mod
Started by TurboGuitarMelton |
14 Replies
4956 Views |
December 13, 2022, 01:29:02 pm by CascoSieg |
|
|
|
6 Replies
3383 Views |
December 13, 2022, 09:09:08 am by punkykatt |
|
|
|
|
8 Replies
3698 Views |
December 12, 2022, 12:26:21 pm by tubeswell |
|
|
|
|
12 Replies
3918 Views |
December 11, 2022, 06:36:02 pm by fazeka |
|
|
|
|
5f6a bias tap glow
Started by tommyzcat |
10 Replies
2892 Views |
December 11, 2022, 03:08:48 pm by tommyzcat |
|
|
|
11 Replies
3317 Views |
December 11, 2022, 02:27:53 pm by sluckey |
|
|
|
|
mosfet trem blowing PS resistors...
Started by CascoSieg |
13 Replies
3761 Views |
December 11, 2022, 11:20:31 am by CascoSieg |
|
|
|
EL34 suppressor grid
Started by SoundCity85 |
5 Replies
2562 Views |
December 11, 2022, 09:51:31 am by SoundCity85 |
|
|
|
40 V AC in the green terminals of 6,3V
Started by rafaelctt |
32 Replies
6568 Views |
December 11, 2022, 08:54:57 am by sluckey |
|
|
|
290AX wiring with a Champ 600 reissue
Started by JPK |
4 Replies
2450 Views |
December 10, 2022, 01:45:51 pm by JPK |
|
|
|
8 Replies
2966 Views |
December 10, 2022, 06:32:19 am by kagliostro |
|
|
|
|
Revisit- Fender Super Twin- New Project
Started by pbman1953 |
14 Replies
3692 Views |
December 09, 2022, 04:40:03 pm by pbman1953 |
|
|
|
3 Replies
2227 Views |
December 09, 2022, 07:41:06 am by BrainDeadAmps |
|
|
|
|
23 Replies
4945 Views |
December 09, 2022, 12:03:31 am by Platefire |
|
|
|
|
5 Replies
2527 Views |
December 08, 2022, 05:07:44 pm by fdesalvo |
|
|
|
|
14 Replies
4301 Views |
December 08, 2022, 09:19:02 am by kagliostro |
|
|
|
|
AB764 Vibrochamp build questions
Started by J3ona1 |
2 Replies
2140 Views |
December 07, 2022, 10:29:05 pm by J3ona1 |
|
|
|
Another PR build post with questions…
Started by Jalmeida |
1 Replies
1819 Views |
December 06, 2022, 11:18:05 pm by sluckey |
|
|
|
Need help with something wierd
Started by RoninAudio |
6 Replies
2620 Views |
December 06, 2022, 01:05:12 pm by RoninAudio |
|
|
|
6 Replies
3068 Views |
December 05, 2022, 10:13:49 pm by JPK |
|
|
|
|
New 5E3 build bias check - am I ok?
Started by JPK |
10 Replies
3544 Views |
December 05, 2022, 01:22:02 pm by Voxbox |
|
|
|
Changing this schematic presence control
Started by dude |
8 Replies
3528 Views |
December 05, 2022, 12:21:48 pm by dude |
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 |