Welcome To the Hoffman Amplifiers ForumMarch 11, 2026, 11:18:57 am | ||
| Subject / Started by | Replies / Views | Last post ![]() |
||
|---|---|---|---|---|
| 0 Members and 40 Guests are viewing this board. | ||||
|
|
Champion 600 rebuild excessive hum
Started by camintsev |
11 Replies
6017 Views |
by camintsev |
|
|
6 Replies
5483 Views |
by TurboGuitarMelton |
|
|
|
13 Replies
5797 Views |
by newguitarsmell |
|
|
|
Silvertone 1448 guitar case amp
Started by jim |
10 Replies
8739 Views |
by CraigB |
|
|
2 Replies
3229 Views |
by d95err |
|
|
|
Farfisa FR40 Restoration - Bias Problem
Started by whoops |
37 Replies
14858 Views |
by whoops |
|
|
AC30 - Sparks between speaker terminals
Started by whoops |
5 Replies
4397 Views |
by whoops |
|
|
Egnater Renegade 65 Circuit Help
Started by Mason |
6 Replies
5349 Views |
by shooter |
|
|
Noisy plexi build
Started by jack2911guitarblues |
1 Replies
3044 Views |
by Auke Jolman |
|
|
turretts and eyelets
Started by jim |
12 Replies
6221 Views |
by Tony Bones |
|
|
I need some help with the D'Mars ODS
Started by wolf_papa |
8 Replies
4130 Views |
by wolf_papa |
|
|
Speaker Grounding
Started by TIMBO |
2 Replies
3162 Views |
by PRR |
|
|
Flubby bass/Fender 5D3
Started by Diverted |
3 Replies
3297 Views |
by ac427v |
|
|
5e9a tremolo
Started by Leevi |
3 Replies
3409 Views |
by PRR |
|
|
Bumblebee confusion
Started by shaun |
3 Replies
2874 Views |
by shaun |
|
|
Built a little GA5 w/6973
Started by Joe6v6 |
2 Replies
3172 Views |
by shaun |
|
|
Phoenix Rising Challenge
Started by silverfox |
0 Replies
2906 Views |
by silverfox |
|
|
Accessory jack Hoffman AB763
Started by Diverted |
3 Replies
2972 Views |
by d95err |
|
|
Ga-5 Build Schedule 40
Started by shaun |
6 Replies
4555 Views |
by PRR |
|
|
EF86 triode connection variant
Started by noac |
2 Replies
4881 Views |
by PRR |
|
|
First amp design - on track or off?
Started by Joe P |
36 Replies
11466 Views |
by ALBATROS1234 |
|
|
Amp SVT whoa's
Started by navdave |
9 Replies
4430 Views |
by navdave |
|
|
11 Replies
6920 Views |
by DummyLoad |
|
|
|
IEC adapter ring for round hole
Started by choosebronze |
4 Replies
6313 Views |
by DummyLoad |
|
|
Vibro Champ question
Started by dude |
1 Replies
2917 Views |
by dude |
|
|
COS 5879 plus
Started by Auke Jolman |
30 Replies
9822 Views |
by tubenit |
|
|
PT Transformer choice
Started by Oddvar |
5 Replies
3477 Views |
by MFowler |
|
|
Metal Can 6L6
Started by daveyajd |
4 Replies
4215 Views |
by DummyLoad |
|
|
12 Replies
5074 Views |
by sluckey |
|
|
|
2 Replies
3575 Views |
by Diverted |
|
|
|
Fender BF/SF Twin based project
Started by vampwizzard |
3 Replies
2962 Views |
by MFowler |
|
|
more problems with plexi build
Started by newguitarsmell |
37 Replies
10698 Views |
by shooter |
|
|
Unknown Chicago transformer OPT 8714
Started by 2ndserve |
7 Replies
3702 Views |
by 2ndserve |
|
|
4 Replies
4526 Views |
by 2ndserve |
|
|
|
PPIMV Resistor Values?
Started by Amped |
7 Replies
6818 Views |
by Amped |
|
|
5F6A Build
Started by vampwizzard |
29 Replies
11388 Views |
by vampwizzard |
|
|
28v ct tap for 5v relays.
Started by Captain chunkulus |
6 Replies
3863 Views |
by Captain chunkulus |
|
|
B15N / F2B Preamp
Started by afinitemind |
3 Replies
3222 Views |
by PRR |
|
|
6 Replies
3907 Views |
by jjasilli |
|
|
|
6v6 Plexi build question
Started by labb |
4 Replies
3295 Views |
by Big_Mike |
|
|
Plexi 6v6 hum issue
Started by Big_Mike |
13 Replies
5868 Views |
by Big_Mike |
|
|
2 Replies
2819 Views |
by PRR |
|
|
|
Fender Super 60 conversion
Started by 335rat |
7 Replies
6772 Views |
by 335rat |
|
|
Kent Trem Tone conversion
Started by Opry Audio |
2 Replies
3426 Views |
by PRR |
|
|
20 Replies
8462 Views |
by TubeJunkie |
|
|
|
Input Stage Comparison
Started by mwelch55 |
3 Replies
3402 Views |
by PRR |
|
|
41 Replies
12052 Views |
by shooter |
|
|
|
23 Replies
8467 Views |
by jonyoungyi |
|
|
|
Voltage divider ettiquete
Started by ECV02 |
8 Replies
5436 Views |
by st |
|
|
75 Replies
21701 Views |
by Platefire |
|
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 |