Welcome To the Hoffman Amplifiers ForumOctober 22, 2025, 02:56:46 pm | ||
Subject / Started by | Replies / Views | Last post ![]() |
||
---|---|---|---|---|
seankerns and 65 Guests are viewing this board. | ||||
![]() |
![]() |
6 pin power tubes?
Started by ALBATROS1234 |
5 Replies
3569 Views |
![]() by kagliostro |
![]() |
![]() |
Fender 125P34AX
Started by Esquirefreak |
9 Replies
4060 Views |
![]() by Esquirefreak |
![]() |
![]() |
54 Replies
10365 Views |
![]() by Latole |
|
![]() |
![]() |
Canadian "Symphonic"
Started by rafe |
10 Replies
3525 Views |
![]() by rafe |
![]() |
![]() |
6G2-ish build with reverb
Started by burt_toast |
23 Replies
4789 Views |
![]() by tubeswell |
![]() |
![]() |
5 Replies
2870 Views |
![]() by sluckey |
|
![]() |
![]() |
Mixing parallel triodes
Started by clyde |
8 Replies
3638 Views |
![]() by PRR |
![]() |
![]() |
Output transformer matching question.
Started by Tapsnap |
4 Replies
2802 Views |
![]() by PRR |
![]() |
![]() |
Maintenance for old potentiometers
Started by Esquirefreak |
7 Replies
3319 Views |
![]() by kagliostro |
![]() |
![]() |
Input stages, biasing
Started by peacocksuit |
8 Replies
3382 Views |
![]() by HotBluePlates |
![]() |
![]() |
6 Replies
3512 Views |
![]() by jjasilli |
|
![]() |
![]() |
April 1937
Started by PRR |
13 Replies
4371 Views |
![]() by tubeswell |
![]() |
![]() |
Old-school cap notation/Gibson schematic
Started by tdvt |
5 Replies
2822 Views |
![]() by sluckey |
![]() |
![]() |
Oscillation from Presence Control
Started by jewishjay |
17 Replies
4917 Views |
![]() by AlNewman |
![]() |
![]() |
15 Replies
5636 Views |
![]() by ebulakowski |
|
![]() |
![]() |
Strange circuit Echolette B30 amp
Started by cfortner |
5 Replies
2773 Views |
![]() by cfortner |
![]() |
![]() |
4 Replies
2438 Views |
![]() by kagliostro |
|
![]() |
![]() |
New 5F6A Build - Super Low Volume
Started by rvaughan |
14 Replies
4351 Views |
![]() by rvaughan |
![]() |
![]() |
13 Replies
4162 Views |
![]() by PRR |
|
![]() |
![]() |
7 Replies
3254 Views |
![]() by ALBATROS1234 |
|
![]() |
![]() |
separated bass/treble controls
Started by burt_toast |
8 Replies
3319 Views |
![]() by tubeswell |
![]() |
![]() |
9 Replies
3854 Views |
![]() by Keyboy |
|
![]() |
![]() |
4 Replies
2491 Views |
![]() by pdf64 |
|
![]() |
![]() |
"bass friendly" AB763 ?
Started by worth |
13 Replies
6291 Views |
![]() by saxetc |
![]() |
![]() |
Leslie 25 Guitar Amp
Started by scstill |
5 Replies
3636 Views |
![]() by scstill |
![]() |
![]() |
How to bias this amp
Started by dude |
14 Replies
3660 Views |
![]() by stratomaster |
![]() |
![]() |
Pro reverb versus Twin reverb???
Started by Jalmeida |
14 Replies
4921 Views |
![]() by Platefire |
![]() |
![]() |
2 Replies
1854 Views |
![]() by stratomaster |
|
![]() |
![]() |
DIY power amp for use with a modeler
Started by music321 |
14 Replies
13934 Views |
![]() by guitardude57 |
![]() |
![]() |
14 Replies
3007 Views |
![]() by mresistor |
|
![]() |
![]() |
potential build transformer placement
Started by joesatch |
7 Replies
2687 Views |
![]() by sluckey |
![]() |
![]() |
6BM8 Stereo SE Amp
Started by TIMBO |
35 Replies
7371 Views |
![]() by glass54 |
![]() |
![]() |
old tape recorder to vox ac4
Started by Kesi from Hungary |
6 Replies
2386 Views |
![]() by Williamblake |
![]() |
![]() |
5 Replies
2155 Views |
![]() by PRR |
|
![]() |
![]() |
Restuffing Cap Cans
Started by passaloutre |
24 Replies
5004 Views |
![]() by kagliostro |
![]() |
![]() |
Sanity check: Transformer orientation
Started by Diverted |
5 Replies
2231 Views |
![]() by Diverted |
![]() |
![]() |
Leslie 251
Started by jewishjay |
13 Replies
4500 Views |
![]() by scstill |
![]() |
![]() |
3 Replies
2038 Views |
![]() by shooter |
|
![]() |
![]() |
Switchable Sag Resistor
Started by 22uf |
11 Replies
3359 Views |
![]() by HotBluePlates |
![]() |
![]() |
Identifying This Gibson Amp With Tremelo
Started by plexi50 |
16 Replies
3656 Views |
![]() by ac427v |
![]() |
![]() |
Tweaking an Acoustic 370
Started by pbman1953 |
13 Replies
3347 Views |
![]() by pbman1953 |
![]() |
![]() |
Ultralinear for Single Ended amp?
Started by jordan86 |
31 Replies
8744 Views |
![]() by madnis |
![]() |
![]() |
Class AB 6L6 design help
Started by Gregwor |
8 Replies
3453 Views |
![]() by pdf64 |
![]() |
![]() |
4 Replies
2268 Views |
![]() by Williamblake |
|
![]() |
![]() |
2 channel amp DPDT switching
Started by Bieworm |
11 Replies
3172 Views |
![]() by sluckey |
![]() |
![]() |
Impedance/build question
Started by Diverted |
4 Replies
1855 Views |
![]() by Diverted |
![]() |
![]() |
Dual Lite Underway…
Started by imgumby001 |
10 Replies
2982 Views |
![]() by labb |
![]() |
![]() |
4 Replies
1943 Views |
![]() by delray |
|
![]() |
![]() |
Too much reverb on ab763
Started by phsyconoodler |
19 Replies
4395 Views |
![]() by stratomaster |
![]() |
![]() |
Grounding Theory
Started by Nathan |
6 Replies
2706 Views |
![]() by labb |
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 |