Welcome To the Hoffman Amplifiers ForumAugust 29, 2026, 12:21:51 pm | ||
| Subject / Started by | Replies / Views | Last post ![]() |
||
|---|---|---|---|---|
| NoThisFM and 68 Guests are viewing this board. | ||||
|
|
10 Replies
6013 Views |
by Mike_J |
|
|
|
5 Replies
6102 Views |
by guntherbuffalo |
|
|
|
Smoking 5F1 :help:
Started by toneseeker « 1 2 » |
51 Replies
18956 Views |
by Stankfut |
|
|
20 Replies
13816 Views |
by Mike_J |
|
|
|
Twist lock capacitor replacement
Started by Stankfut |
18 Replies
8269 Views |
by sluckey |
|
|
3 Replies
5066 Views |
by Mike_J |
|
|
|
Re: Split; PT's and heater noise.
Started by HotBluePlates |
11 Replies
7007 Views |
by Ken Moon |
|
|
Plexi rebuild problems
Started by Auke Jolman |
15 Replies
7026 Views |
by tubenit |
|
|
JTM45/800 Stereo Amp Layout
Started by Mike_J |
2 Replies
4007 Views |
by Mike_J |
|
|
Marshall JMP 2204
Started by Leevi |
8 Replies
6182 Views |
by Backwoods Joe |
|
|
Resisters on 5f1 build
Started by john_t |
1 Replies
3618 Views |
by Ed_Chambley |
|
|
screen tap ?
Started by shooter |
14 Replies
8133 Views |
by shooter |
|
|
66 Vibrolux Tube "socket"?? related noises
Started by TerryD |
0 Replies
3851 Views |
by TerryD |
|
|
8 Replies
6813 Views |
by hesamadman |
|
|
|
25 Replies
14013 Views |
by Mike_J |
|
|
|
18 watt Stout & Plexi amp designs
Started by tubenit |
36 Replies
18442 Views |
by tubenit |
|
|
22 Replies
11274 Views |
by Mike_J |
|
|
|
117 Replies
48094 Views |
by P Batty |
|
|
|
B+ Drop Question
Started by J Rindt |
38 Replies
15680 Views |
by J Rindt |
|
|
Blackface CF preamp mods
Started by SILVERGUN |
24 Replies
13297 Views |
by SILVERGUN |
|
|
0 Replies
3964 Views |
by tubenit |
|
|
|
6 Replies
10385 Views |
by kagliostro |
|
|
|
Are there differences in these caps?
Started by hesamadman |
8 Replies
6817 Views |
by Willabe |
|
|
Pentode as the last stage in the Preamp
Started by sdp1234 |
6 Replies
8687 Views |
by HotBluePlates |
|
|
228 Replies
115295 Views |
by SILVERGUN |
|
|
|
Oliver PA-100 Amp.......
Started by Jack_Hester |
16 Replies
9958 Views |
by Jack_Hester |
|
|
Hoffman AC30 - how close to JMI specs?
Started by Big_Mike |
4 Replies
4812 Views |
by EL34 |
|
|
Stromberg Carlson AU-29
Started by Guitarzan |
23 Replies
12326 Views |
by Guitarzan |
|
|
scratchin my head!
Started by shooter |
24 Replies
9502 Views |
by shooter |
|
|
5 Replies
4983 Views |
by tubeswell |
|
|
|
3 Replies
4386 Views |
by HotBluePlates |
|
|
|
TOS Transformers
Started by sdp1234 |
2 Replies
4258 Views |
by sdp1234 |
|
|
MOVED: 15" speaker
Started by tubenit |
0 Replies
3532 Views |
by tubenit |
|
|
TOS vs Dmars
Started by sdp1234 |
8 Replies
5140 Views |
by tubenit |
|
|
tonestack wiring
Started by shooter |
8 Replies
6437 Views |
by shooter |
|
|
New JJ Mid Gain 12AX7
Started by jojokeo |
12 Replies
10932 Views |
by PRR |
|
|
How old is too old for an electrolytic cap
Started by Mike_J |
13 Replies
8867 Views |
by Willabe |
|
|
Please help (modify tone control)
Started by hesamadman |
13 Replies
8403 Views |
by hesamadman |
|
|
MOVED: drawing a schem
Started by EL34 |
0 Replies
3691 Views |
by EL34 |
|
|
6 Replies
4883 Views |
by kwm488 |
|
|
|
5 Replies
7413 Views |
by Danilewicz |
|
|
|
Help needed - MB on the bench
Started by rzenc |
16 Replies
8290 Views |
by shooter |
|
|
big bottle score!
Started by DummyLoad |
13 Replies
7858 Views |
by Ed_Chambley |
|
|
Converting AO-43 into 1624t
Started by cobalt |
12 Replies
7431 Views |
by sluckey |
|
|
FYI "editable" SCH generic layouts
Started by tubenit |
1 Replies
3936 Views |
by kagliostro |
|
|
6 Replies
6631 Views |
by Mike_J |
|
|
|
Mojo 18W trem question
Started by g-man |
3 Replies
4431 Views |
by EL34 |
|
|
Best wire gauge and type for heater supply
Started by Mike_J |
19 Replies
21061 Views |
by Mike_J |
|
|
11 Replies
7025 Views |
by Ed_Chambley |
|
|
|
14 Replies
10803 Views |
by thermion |
|
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 |