Welcome To the Hoffman Amplifiers ForumJanuary 24, 2026, 03:12:25 pm | ||
| Subject / Started by | Replies / Views | Last post ![]() |
||
|---|---|---|---|---|
| Glenn and 43 Guests are viewing this board. | ||||
|
|
2 Replies
6015 Views |
by kagliostro |
|
|
|
New Power Amp Build
Started by silverfox |
6 Replies
3977 Views |
by HotBluePlates |
|
|
72 Quad Reverb heater wires crossed?
Started by Mars-Hall |
6 Replies
3661 Views |
by jeff |
|
|
Problem with pots
Started by ericlen838 |
4 Replies
2898 Views |
by stratele52 |
|
|
Schematic for National Glenwood 2x12
Started by six_eight |
3 Replies
3622 Views |
by six_eight |
|
|
Pro reverb tremolo problem
Started by Underwood |
7 Replies
3679 Views |
by punkykatt |
|
|
Pro reverb vibrato noise
Started by Underwood |
0 Replies
2514 Views |
by Underwood |
|
|
powerless sound caused by OT?
Started by Leevi |
7 Replies
3311 Views |
by firemedic |
|
|
bad tube or what
Started by Seegs |
16 Replies
6568 Views |
by HotBluePlates |
|
|
AB763 Dropping Resistors?
Started by ajeffcote |
7 Replies
5968 Views |
by ajeffcote |
|
|
Marshall JTM45 Combo design
Started by TuBo |
12 Replies
6858 Views |
by TuBo |
|
|
HIWATT LEAD
Started by TIMBO |
5 Replies
3742 Views |
by SILVERGUN |
|
|
P/P plate driven issue
Started by Colas LeGrippa |
4 Replies
2854 Views |
by Colas LeGrippa |
|
|
Cathode bias Plexi tuning
Started by SLW |
17 Replies
9468 Views |
by SLW |
|
|
Tube amp grounding
Started by BobbyS |
4 Replies
4100 Views |
by BobbyS |
|
|
where to put my pot?
Started by shooter |
4 Replies
3263 Views |
by HotBluePlates |
|
|
Push-Pull 12au7
Started by VMS |
7 Replies
10011 Views |
by VMS |
|
|
6 Replies
4947 Views |
by kagliostro |
|
|
|
6L6GC Load Resistance
Started by triplejjr |
6 Replies
11347 Views |
by PRR |
|
|
10 Replies
5341 Views |
by loogie |
|
|
|
5 Replies
6482 Views |
by HotBluePlates |
|
|
|
Virgin 66 Pro Reverb
Started by Voxbox |
22 Replies
8958 Views |
by HotBluePlates |
|
|
Ceriatone 18w EF86 TMB
Started by shortfuse |
22 Replies
10726 Views |
by jojokeo |
|
|
TA and TU for pcl86 amp question
Started by kagliostro |
4 Replies
3706 Views |
by kagliostro |
|
|
16 Replies
6739 Views |
by HotBluePlates |
|
|
|
Boost pedal popping
Started by Madison |
11 Replies
4440 Views |
by Madison |
|
|
TOOB EF86 Recommendations
Started by Ed_Chambley |
4 Replies
2891 Views |
by Davidg |
|
|
loud hum on Krank Revolution 1
Started by Jack1962 |
13 Replies
8781 Views |
by Jack1962 |
|
|
Bias Splitter Theory
Started by alerich |
2 Replies
3570 Views |
by alerich |
|
|
need a source for 6KG6A/ EL509 tubes
Started by pbman1953 |
7 Replies
4528 Views |
by pbman1953 |
|
|
A 6V6 in the Hand's Worth a 6L6 in the Bush
Started by jeff |
30 Replies
9736 Views |
by DummyLoad |
|
|
11 Replies
7322 Views |
by kagliostro |
|
|
|
Anybody heard of a Mark Sheets Amp?
Started by Platefire |
7 Replies
5206 Views |
by Willabe |
|
|
13 Replies
5667 Views |
by Willabe |
|
|
|
Hoffman stereo poweramp
Started by mule |
1 Replies
2369 Views |
by kagliostro |
|
|
19 Replies
8810 Views |
by Bluemeany |
|
|
|
Is this schematic correct ?
Started by kagliostro |
2 Replies
2350 Views |
by kagliostro |
|
|
Power Amp Build Problem
Started by silverfox |
18 Replies
6433 Views |
by silverfox |
|
|
Cathode biased PR trem depth ?
Started by floyd |
13 Replies
5241 Views |
by floyd |
|
|
Another Revibe story
Started by sluckey |
8 Replies
4180 Views |
by punkykatt |
|
|
Mid Boost
Started by dscottguitars |
2 Replies
2990 Views |
by dscottguitars |
|
|
2 Replies
2784 Views |
by Platefire |
|
|
|
8 Replies
4204 Views |
by catnine |
|
|
|
4 Replies
3073 Views |
by sluckey |
|
|
|
bias resisto question
Started by bakerlite |
2 Replies
2649 Views |
by bakerlite |
|
|
HT fuse location in circuit
Started by alerich |
17 Replies
14802 Views |
by alerich |
|
|
4 Replies
3308 Views |
by kagliostro |
|
|
|
6 Replies
3170 Views |
by 6G6 |
|
|
|
Delta Blues bias riddle
Started by firemedic |
23 Replies
8674 Views |
by plexi50 |
|
|
3 Replies
3236 Views |
by coreysan |
|
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 |