Welcome To the Hoffman Amplifiers ForumOctober 22, 2025, 12:25:19 pm | ||
Subject / Started by | Replies / Views | Last post ![]() |
||
---|---|---|---|---|
0 Members and 71 Guests are viewing this board. | ||||
![]() |
![]() |
Acoustic guitar amplifiers
Started by G._Hoffman |
23 Replies
5634 Views |
![]() by jjasilli |
![]() |
![]() |
0 Replies
1847 Views |
![]() by Duncan |
|
![]() |
![]() |
Modern Princeton reverb
Started by nandrewjackson |
19 Replies
4659 Views |
![]() by sluckey |
![]() |
![]() |
24 Replies
7625 Views |
![]() by tdvt |
|
![]() |
![]() |
2 Replies
2128 Views |
![]() by JustMike |
|
![]() |
![]() |
Cathode bypass caps as noise control
Started by stratomaster |
41 Replies
10176 Views |
![]() by stratomaster |
![]() |
![]() |
Marshall 2144 Combo
Started by TIMBO |
15 Replies
7260 Views |
![]() by TIMBO |
![]() |
![]() |
6BM8 tube retainers
Started by tubenit |
2 Replies
1991 Views |
![]() by uki |
![]() |
![]() |
36 Replies
7539 Views |
![]() by Yeatzee |
|
![]() |
![]() |
Help with mu-follower repair
Started by MPRCTCL |
8 Replies
3128 Views |
![]() by MPRCTCL |
![]() |
![]() |
Noise in Silver Face MV Twin Reverb amp.
Started by Mark |
2 Replies
1982 Views |
![]() by Mark |
![]() |
![]() |
Chassis fab
Started by fossilshark |
2 Replies
2219 Views |
![]() by acheld |
![]() |
![]() |
How to protect OT in an SE amp ?
Started by kagliostro |
4 Replies
2444 Views |
![]() by kagliostro |
![]() |
![]() |
146 Replies
48710 Views |
![]() by Willabe |
|
![]() |
![]() |
Leaking crossline master
Started by Leevi |
3 Replies
2277 Views |
![]() by pdf64 |
![]() |
![]() |
5 Replies
2812 Views |
![]() by sciurian |
|
![]() |
![]() |
First amp design / layout
Started by landmarker |
20 Replies
5693 Views |
![]() by landmarker |
![]() |
![]() |
Fender 5F11 Jewel Pulsing with Trem
Started by jukelemon |
16 Replies
4411 Views |
![]() by jukelemon |
![]() |
![]() |
V1 grid leak Resistor upper limit?
Started by G._Hoffman |
13 Replies
4149 Views |
![]() by j-b-c |
![]() |
![]() |
Transformer question
Started by Snake5150 |
11 Replies
3100 Views |
![]() by Snake5150 |
![]() |
![]() |
Wiring second mains transformer
Started by MapleSingleCut |
8 Replies
2901 Views |
![]() by kagliostro |
![]() |
![]() |
fender 75 lead channel remove help
Started by MatGir |
15 Replies
4888 Views |
![]() by Latole |
![]() |
![]() |
Schematic questions
Started by idontknowyou |
1 Replies
1942 Views |
![]() by sluckey |
![]() |
![]() |
7 Replies
3086 Views |
![]() by bullkelp |
|
![]() |
![]() |
Tremolo Insertion point and NFB
Started by BrainDeadAmps |
3 Replies
2147 Views |
![]() by WimWalther |
![]() |
![]() |
73 Replies
13974 Views |
![]() by uki |
|
![]() |
![]() |
Troubleshooting a 5f2a build
Started by BadDave |
23 Replies
5601 Views |
![]() by sluckey |
![]() |
![]() |
Question about Alamo Montclair
Started by AlNewman |
17 Replies
4298 Views |
![]() by AlNewman |
![]() |
![]() |
PI wiring error question
Started by hiegdk |
6 Replies
2629 Views |
![]() by WimWalther |
![]() |
![]() |
3 Replies
2303 Views |
![]() by Carlsoti |
|
![]() |
![]() |
VTL5C1 replacement?
Started by ac427v |
13 Replies
4785 Views |
![]() by stratomaster |
![]() |
![]() |
6 Replies
2955 Views |
![]() by jordan86 |
|
![]() |
![]() |
11 Replies
4687 Views |
![]() by jordan86 |
|
![]() |
![]() |
1 Replies
1841 Views |
![]() by sluckey |
|
![]() |
![]() |
10 Replies
3533 Views |
![]() by kagliostro |
|
![]() |
![]() |
10 Replies
3594 Views |
![]() by Carlsoti |
|
![]() |
![]() |
3 Replies
2069 Views |
![]() by HotBluePlates |
|
![]() |
![]() |
5879 operating conditions question
Started by dwinstonwood |
15 Replies
4056 Views |
![]() by dwinstonwood |
![]() |
![]() |
1 Replies
1793 Views |
![]() by Balticnoiseforge |
|
![]() |
![]() |
Power tube grid bias and Tremolo
Started by J Rindt |
4 Replies
2115 Views |
![]() by J Rindt |
![]() |
![]() |
Biasing an Ampeg SVT 3 Pro
Started by dpm309 |
4 Replies
2962 Views |
![]() by dpm309 |
![]() |
![]() |
2 Replies
1916 Views |
![]() by kagliostro |
|
![]() |
![]() |
Where / How to ground series heaters
Started by Jennings |
10 Replies
3110 Views |
![]() by Jennings |
![]() |
![]() |
Half power switch in a fender 40w or AC30
Started by TonyM |
11 Replies
3515 Views |
![]() by Latole |
![]() |
![]() |
6G6 Bassman-ish Bias Issue
Started by Skeeter_pdx |
2 Replies
1853 Views |
![]() by Dave |
![]() |
![]() |
Heeeeelp with huuuuum
Started by isaac_teller |
28 Replies
6027 Views |
![]() by Latole |
![]() |
![]() |
7 Replies
2673 Views |
![]() by kagliostro |
|
![]() |
![]() |
Gibson Thor mod help
Started by Natelc1979 |
3 Replies
2028 Views |
![]() by idsnowdog |
![]() |
![]() |
8 Replies
2953 Views |
![]() by nandrewjackson |
|
![]() |
![]() |
3 tubes push pull
Started by Colas LeGrippa |
11 Replies
3089 Views |
![]() by pdf64 |
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 |