Welcome To the Hoffman Amplifiers ForumApril 26, 2026, 10:51:31 am | ||
| Subject / Started by | Replies / Views | Last post ![]() |
||
|---|---|---|---|---|
| 0 Members and 16 Guests are viewing this board. | ||||
|
|
23 Replies
9694 Views |
by Mike_J |
|
|
|
Problem with Supro Thunderbolt Build
Started by johno9 |
10 Replies
5904 Views |
by shooter |
|
|
33 Replies
10406 Views |
by shooter |
|
|
|
4 Replies
3814 Views |
by Mike_J |
|
|
|
Stuck, (I can't find the issue)
Started by dude |
10 Replies
7616 Views |
by dude |
|
|
Fender Bandmaster TFL5005?
Started by JustMike |
16 Replies
8570 Views |
by JustMike |
|
|
13 Replies
9234 Views |
by pdf64 |
|
|
|
Hoffman 5f6a modified to fit my chassis.
Started by Mike_J |
1 Replies
3250 Views |
by Mike_J |
|
|
How to troubleshoot this?
Started by JustMike |
10 Replies
5849 Views |
by sluckey |
|
|
28 Replies
9217 Views |
by Mike_J |
|
|
|
What's Up With My Plate Voltage?
Started by dankinzelman |
31 Replies
8713 Views |
by PRR |
|
|
Princeton Reverb hum.. help?
Started by Opry Audio |
12 Replies
6054 Views |
by Opry Audio |
|
|
Help understanding schematic
Started by munkeyboy |
14 Replies
6603 Views |
by PRR |
|
|
Rating ecaps.
Started by Mike_J |
7 Replies
5054 Views |
by PRR |
|
|
5 Replies
4640 Views |
by wittyjeff |
|
|
|
24 Replies
14097 Views |
by dragonworks |
|
|
|
Preamp noise - repairable?
Started by jordan86 |
11 Replies
5463 Views |
by jordan86 |
|
|
Marshall 1987s hum.
Started by Rich_C |
12 Replies
5346 Views |
by Tone Junkie |
|
|
Polarity wiring filaments
Started by dude |
8 Replies
6556 Views |
by Sonny ReVerb |
|
|
3 Replies
3314 Views |
by Mike_J |
|
|
|
Volume and Tone Pot Ranges
Started by Ghetto_Soundwave |
4 Replies
3374 Views |
by Ghetto_Soundwave |
|
|
24 Replies
8371 Views |
by pgussler |
|
|
|
5 Replies
4111 Views |
by PharmRock |
|
|
|
2 Replies
3399 Views |
by luthierwnc |
|
|
|
25 Replies
9968 Views |
by RadioComm |
|
|
|
2 Replies
3829 Views |
by pdf64 |
|
|
|
0 Replies
3410 Views |
by Latole |
|
|
|
45 Replies
14329 Views |
by acheld |
|
|
|
Super Champ X2 => RR763
Started by Jacob |
2 Replies
3697 Views |
by sluckey |
|
|
How hot can EL84s be biased?
Started by Mason |
12 Replies
9779 Views |
by sluckey |
|
|
3 Replies
3577 Views |
by silverfox |
|
|
|
27 Replies
10036 Views |
by Jatchley |
|
|
|
Poweramp Layout Xfmr Location questions
Started by markmalin |
6 Replies
3814 Views |
by markmalin |
|
|
Epiphone comet ea-rvt32 ot
Started by Simmie |
3 Replies
3463 Views |
by Simmie |
|
|
72 Replies
21224 Views |
by proaudioguy |
|
|
|
6v6 Plexi resistor value query
Started by Mehfuzhoss |
14 Replies
5562 Views |
by PRR |
|
|
Adding Filter Nodes?
Started by dankinzelman |
16 Replies
6930 Views |
by dankinzelman |
|
|
5F1 No Sound Problem-It just quit!
Started by wsscott |
26 Replies
9618 Views |
by wsscott |
|
|
Randall RM-100 Impedance switch
Started by JustMike |
3 Replies
3717 Views |
by EL34 |
|
|
1 Replies
3471 Views |
by PharmRock |
|
|
|
14 Replies
6738 Views |
by Latole |
|
|
|
Where to ground the first filter stage.
Started by Mike_J |
23 Replies
7800 Views |
by tubeswell |
|
|
Choosing Power Transformers
Started by acheld |
7 Replies
5032 Views |
by acheld |
|
|
0 Replies
3010 Views |
by Mike_J |
|
|
|
1977 Princeton Reverb PT failure?
Started by wsscott |
23 Replies
6613 Views |
by wsscott |
|
|
6 Replies
4050 Views |
by Mike_J |
|
|
|
New most terrible job ever.
Started by Mike_J |
9 Replies
4818 Views |
by Mike_J |
|
|
14 Replies
4564 Views |
by d95err |
|
|
|
Post PI Master Volume Coupling Cap
Started by scstill |
2 Replies
2767 Views |
by thetragichero |
|
|
B&H Filmosound 626 amp
Started by Zonnebloem |
2 Replies
3069 Views |
by Zonnebloem |
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 |