Welcome To the Hoffman Amplifiers Forum
December 08, 2025, 11:23:12 am
Welcome To the Hoffman Amplifiers ForumDecember 08, 2025, 11:23:12 am | ||
| Subject / Started by | Replies / Views | Last post  |
||
|---|---|---|---|---|
| 0 Members and 143 Guests are viewing this board. | ||||
|
|
Horrible hum cased by?
Started by timmyjoe |
21 Replies
5589 Views |
January 21, 2022, 04:56:16 pmby acheld |
|
|
|
Component selection - PRRI rebuild
Started by mellotron |
4 Replies
2190 Views |
January 20, 2022, 08:39:22 pm by PRR |
|
|
|
Master volume on Matchless Clubman
Started by frankenxtein |
10 Replies
2954 Views |
January 20, 2022, 06:23:51 pm by frankenxtein |
|
|
Hand Wired vs Printed Circuit Board.
Started by Grees01 |
27 Replies
6596 Views |
January 20, 2022, 07:55:15 am by kagliostro |
|
|
|
Bugera V22 h
Started by HighFlyingV |
7 Replies
4277 Views |
January 20, 2022, 07:22:14 am by HighFlyingV |
|
|
|
p2pAmps Rusty-Dawg #001 Demo
Started by p2pAmps |
6 Replies
3001 Views |
January 20, 2022, 12:41:27 am by Grees01 |
|
|
|
Mystery Transformers
Started by Blueboozer |
6 Replies
2596 Views |
January 19, 2022, 09:16:22 pm by Blueboozer |
|
|
|
5 Replies
3158 Views |
January 19, 2022, 03:53:31 am by Latole |
|
|
|
|
Output transformer question
Started by Stuff4bikes |
1 Replies
2006 Views |
January 19, 2022, 03:38:07 am by glass54 |
|
|
|
Champ 5F1 with 7591
Started by mikhett |
9 Replies
3037 Views |
January 18, 2022, 10:57:21 pm by mikhett |
|
|
|
5 Replies
2463 Views |
January 18, 2022, 05:32:16 pm by turbofeedus |
|
|
|
|
8 Replies
3811 Views |
January 18, 2022, 01:03:29 pm by joesatch |
|
|
|
|
help spec'n PT?
Started by Jonas |
18 Replies
4665 Views |
January 18, 2022, 05:14:10 am by shooter |
|
|
|
Reverb Problem
Started by Travis8 |
10 Replies
3439 Views |
January 17, 2022, 08:38:30 pm by PRR |
|
|
|
12.6 volt winding reduced to 6.3
Started by valvetones |
25 Replies
7450 Views |
January 17, 2022, 08:21:07 pm by valvetones |
|
|
|
Strange Voltage Readings On Prototype Board
Started by AHeck |
2 Replies
2279 Views |
January 17, 2022, 08:04:32 pm by AHeck |
|
|
|
Where to begin?
Started by Will.darden |
2 Replies
1908 Views |
January 17, 2022, 07:28:10 pm by Grees01 |
|
|
|
11 Replies
3973 Views |
January 17, 2022, 06:04:41 pm by pdf64 |
|
|
|
|
4 Replies
2580 Views |
January 17, 2022, 03:13:59 pm by Bieworm |
|
|
|
|
2204 V1 static when i touch the tube
Started by joesatch |
5 Replies
2565 Views |
January 17, 2022, 04:08:23 am by shooter |
|
|
|
3 Replies
2406 Views |
January 16, 2022, 04:31:03 pm by HotBluePlates |
|
|
|
|
Resistor type question
Started by joesatch |
4 Replies
2083 Views |
January 16, 2022, 12:59:39 pm by mresistor |
|
|
|
Reverb pot in a drip edge PR
Started by mrhudson27 |
2 Replies
2010 Views |
January 16, 2022, 10:16:15 am by HotBluePlates |
|
|
|
Some experienced eyes on this?
Started by jewishjay |
5 Replies
2264 Views |
January 15, 2022, 08:47:31 pm by ghostinthescope |
|
|
|
Princeton 5881 trem-o-nator questions
Started by acheld |
2 Replies
1976 Views |
January 14, 2022, 08:00:36 am by ac427v |
|
|
|
6 Replies
3094 Views |
January 14, 2022, 12:27:00 am by PRR |
|
|
|
|
HT rectification
Started by ok_state_blues |
6 Replies
2401 Views |
January 13, 2022, 02:23:07 pm by ok_state_blues |
|
|
|
3 Replies
2322 Views |
January 13, 2022, 10:07:58 am by JFlo |
|
|
|
|
High gain two channel EL84 guitar amp
Started by Banjan73 |
35 Replies
8300 Views |
January 13, 2022, 07:54:14 am by Banjan73 |
|
|
|
AC15/30 build Help
Started by AndyCharles |
28 Replies
6104 Views |
January 12, 2022, 07:30:08 pm by HotBluePlates |
|
|
|
AC15 Power Transformer
Started by Glenn |
12 Replies
4781 Views |
January 12, 2022, 04:38:54 pm by mresistor |
|
|
|
Transformer Repair
Started by Mason |
13 Replies
3888 Views |
January 12, 2022, 03:06:23 pm by Latole |
|
|
|
Cabinet Finishes
Started by p2pAmps |
7 Replies
3167 Views |
January 12, 2022, 03:58:07 am by Latole |
|
|
|
TLA turret layout with Vus (unfinished)
Started by Jatchley |
10 Replies
3362 Views |
January 11, 2022, 09:10:05 am by Jatchley |
|
|
|
2 Replies
2212 Views |
January 11, 2022, 07:11:42 am by EL34 |
|
|
|
|
5 Replies
2604 Views |
January 11, 2022, 04:26:28 am by isaac_teller |
|
|
|
|
i need help! 6L6 large mismatched
Started by johngovan |
17 Replies
4683 Views |
January 10, 2022, 06:30:09 pm by tubeswell |
|
|
|
Does This Circuit Exist?
Started by Nathan |
9 Replies
3965 Views |
January 10, 2022, 02:51:43 pm by SILVERGUN |
|
|
|
11 Replies
3650 Views |
January 10, 2022, 09:00:40 am by bmccowan |
|
|
|
|
Tweed twin HP 6v6 OP tranny
Started by JGk |
7 Replies
2686 Views |
January 10, 2022, 12:36:35 am by valvetones |
|
|
|
How to determine B+
Started by PlantEater |
11 Replies
4099 Views |
January 09, 2022, 09:32:26 pm by PlantEater |
|
|
|
8 Replies
3250 Views |
January 09, 2022, 07:30:11 pm by HotBluePlates |
|
|
|
|
output transformer inpedance
Started by jamesedmunda |
1 Replies
1902 Views |
January 09, 2022, 04:14:55 pm by shooter |
|
|
|
5 Replies
4083 Views |
January 09, 2022, 02:34:35 pm by CO_Hoya |
|
|
|
|
Tremolo mosfet cf
Started by BrainDeadAmps |
2 Replies
2049 Views |
January 09, 2022, 01:57:18 pm by BrainDeadAmps |
|
|
|
Standby switch resistor mod with results
Started by acheld |
9 Replies
5240 Views |
January 09, 2022, 01:38:59 pm by PharmRock |
|
|
|
3 Replies
2554 Views |
January 08, 2022, 10:55:26 am by fenderguy81 |
|
|
|
|
Valco umbilical cord
Started by bmccowan |
5 Replies
2456 Views |
January 08, 2022, 08:10:07 am by bmccowan |
|
|
64 Replies
23578 Views |
January 07, 2022, 10:01:35 pm by mresistor |
|
|
|
|
4 Replies
2275 Views |
January 07, 2022, 07:45:29 am by mbele |
|
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 |