Welcome To the Hoffman Amplifiers ForumOctober 24, 2025, 03:15:25 am | ||
| Subject / Started by | Replies / Views | Last post ![]() |
||
|---|---|---|---|---|
| 0 Members and 43 Guests are viewing this board. | ||||
|
|
10 Replies
5007 Views |
by Shrapnel |
|
|
|
More loose power amp ?
Started by mat |
3 Replies
2979 Views |
by phsyconoodler |
|
|
11 Replies
5903 Views |
by Boots Deville |
|
|
|
MOVED: Anyone want a cat?
Started by tubenit |
0 Replies
3118 Views |
by tubenit |
|
|
TOS (TIMBO'S OUTSTANDING SUCCESS)!!!!
Started by TIMBO |
14 Replies
8009 Views |
by TIMBO |
|
|
12au7 tube help and directions
Started by Tone Junkie |
8 Replies
6590 Views |
by Tone Junkie |
|
|
Compactrons
Started by stingray_65 |
3 Replies
3660 Views |
by stingray_65 |
|
|
LED instead of traditional Fender Lamp
Started by samato |
34 Replies
20860 Views |
by PRR |
|
|
jcm 900 model 4100 output transformer
Started by six el six |
7 Replies
7393 Views |
by FYL |
|
|
390-0-390 for 50w marshall?
Started by rdrgtr |
26 Replies
11705 Views |
by imaradiostar |
|
|
TOS schematic values and BOM??
Started by 67polara |
12 Replies
5655 Views |
by PRR |
|
|
MOVED: Very interesting quote
Started by tubenit |
0 Replies
2696 Views |
by tubenit |
|
|
D_mble build into TOS
Started by mat |
19 Replies
7604 Views |
by mat |
|
|
1 Replies
2761 Views |
by Geezer |
|
|
|
28 Replies
13919 Views |
by FranciscoPerez |
|
|
|
An amp with 2 separate PI's
Started by macula56 |
6 Replies
3848 Views |
by macula56 |
|
|
Soldering question regarding turrets
Started by Platefire |
12 Replies
5908 Views |
by EL34 |
|
|
18 watt volume/tone with 1M pots ?
Started by Madison |
9 Replies
5814 Views |
by Madison |
|
|
20 Replies
9121 Views |
by Platefire |
|
|
|
2 Replies
6159 Views |
by PRR |
|
|
|
my se el84 running at 370 vdc ?
Started by john_t |
23 Replies
8487 Views |
by john_t |
|
|
MOVED: Schematics for "Suhr" sound amps
Started by EL34 |
0 Replies
6576 Views |
by EL34 |
|
|
44 Replies
12744 Views |
by Andre Oliveros |
|
|
|
3 Replies
2718 Views |
by FYL |
|
|
|
0 Replies
2959 Views |
by EL34 |
|
|
|
Harmon Kardon / Mono Block
Started by plexi50 |
16 Replies
7080 Views |
by plexi50 |
|
|
Negative feedback resistor value
Started by jeff |
4 Replies
14169 Views |
by tubeswell |
|
|
Dual Showman Reverb Question
Started by blueznet |
5 Replies
5139 Views |
by blueznet |
|
|
reverb output tranny question
Started by 67polara |
10 Replies
4753 Views |
by EL34 |
|
|
3 Replies
3806 Views |
by LooseChange |
|
|
|
fender choke in marshall?
Started by rdrgtr |
6 Replies
4493 Views |
by tubeswell |
|
|
4 tube power amp
Started by jeff |
5 Replies
3800 Views |
by eleventeen |
|
|
spacing tubes for layout
Started by zfiles1701 |
5 Replies
3907 Views |
by kagliostro |
|
|
Shielded EQ
Started by plexi50 |
6 Replies
3919 Views |
by plexi50 |
|
|
Revisiting Bass Amps, Final Critique
Started by bluesbear |
20 Replies
7522 Views |
by Tone Junkie |
|
|
5 Replies
3603 Views |
by scarlett amps |
|
|
|
MOVED: a pair of 9vs to a wall wart....
Started by tubenit |
0 Replies
2780 Views |
by tubenit |
|
|
plate to cathode cap
Started by rdrgtr |
7 Replies
6115 Views |
by Tiny_Daddy |
|
|
9 Replies
4435 Views |
by tubenit |
|
|
|
1 tube reverb and a foot switch?
Started by 67polara |
2 Replies
2771 Views |
by 67polara |
|
|
I finally sold one of my amps
Started by bigdaddy |
7 Replies
3780 Views |
by Madison |
|
|
5879 RCA or Silvania?
Started by 67polara |
7 Replies
4347 Views |
by jojokeo |
|
|
Measuring NFB resistor in circuit?
Started by Fresh_Start |
5 Replies
4545 Views |
by tubeswell |
|
|
tube markings
Started by ampcabinets |
3 Replies
3053 Views |
by PRR |
|
|
6 Replies
4329 Views |
by DummyLoad |
|
|
|
Desktop Series Overdrive done - again
Started by LooseChange |
20 Replies
9214 Views |
by tubenit |
|
|
Blues Jr crackling
Started by Cups |
13 Replies
13840 Views |
by Fresh_Start |
|
|
3 Replies
3356 Views |
by chip |
|
|
|
11 Replies
5137 Views |
by RicharD |
|
|
|
Magnatone M10A OT
Started by plexi50 |
13 Replies
5546 Views |
by plexi50 |
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 |