Welcome To the Hoffman Amplifiers ForumOctober 23, 2025, 05:43:09 am | ||
Subject / Started by | Replies / Views | Last post ![]() |
||
---|---|---|---|---|
0 Members and 66 Guests are viewing this board. | ||||
![]() |
![]() |
Princeton Reverb with 4ohm output?
Started by evancorylevine |
14 Replies
5358 Views |
![]() by evancorylevine |
![]() |
![]() |
JMP 50 with factory wrong grid resistors
Started by timbraun |
9 Replies
4743 Views |
![]() by Leevi |
![]() |
![]() |
Help indentifying my mystery chassis
Started by bnwitt |
29 Replies
6080 Views |
![]() by bnwitt |
![]() |
![]() |
2 Replies
2453 Views |
![]() by sluckey |
|
![]() |
![]() |
Recommended Filter cap size
Started by dude |
6 Replies
2741 Views |
![]() by sluckey |
![]() |
![]() |
6 Replies
2983 Views |
![]() by Crate50watt |
|
![]() |
![]() |
Working with unknown OPT
Started by 92Volts |
5 Replies
2867 Views |
![]() by tubeswell |
![]() |
![]() |
New build ideas/recommendations
Started by davidwpack |
13 Replies
4053 Views |
![]() by davidwpack |
![]() |
![]() |
MOSFET screen regulation
Started by Sonny ReVerb |
3 Replies
2668 Views |
![]() by kagliostro |
![]() |
![]() |
53 Replies
10777 Views |
![]() by DummyLoad |
|
![]() |
![]() |
Baldwin to 5F6A done
Started by mresistor |
15 Replies
4106 Views |
![]() by mresistor |
![]() |
![]() |
1-tube reverb issue
Started by aabbs20 |
8 Replies
2814 Views |
![]() by aabbs20 |
![]() |
![]() |
12 Replies
3844 Views |
![]() by Paulycoo |
|
![]() |
![]() |
Unknown PT - max current? (5v winding)
Started by alange5 |
6 Replies
2496 Views |
![]() by DummyLoad |
![]() |
![]() |
TW Express with reverb
Started by adamG |
17 Replies
6882 Views |
![]() by MFowler |
![]() |
![]() |
1 Replies
1947 Views |
![]() by sluckey |
|
![]() |
![]() |
9 Replies
4037 Views |
![]() by kagliostro |
|
![]() |
![]() |
Clean Acoustic amp with SS output
Started by guitardude57 |
3 Replies
2036 Views |
![]() by shooter |
![]() |
![]() |
Mounting screw clearances
Started by thor2015 |
2 Replies
1877 Views |
![]() by thor2015 |
![]() |
![]() |
Power Amp Grid Leak Resistors
Started by mwelch55 |
6 Replies
6768 Views |
![]() by timbraun |
![]() |
![]() |
3 Replies
2622 Views |
![]() by Ed_Chambley |
|
![]() |
![]() |
Which Resister should I get ?
Started by TerryD |
2 Replies
1931 Views |
![]() by TerryD |
![]() |
![]() |
Fender Hot Rod Deluxe maybe Reverb Problem
Started by TerryD |
4 Replies
2803 Views |
![]() by SILVERGUN |
![]() |
![]() |
Hammond 290GX Transformer laying down?
Started by timbraun |
8 Replies
4862 Views |
![]() by timbraun |
![]() |
![]() |
10 Replies
4417 Views |
![]() by ClippIn4tae |
|
![]() |
![]() |
Kay 803 Grounding
Started by dpm309 |
7 Replies
3860 Views |
![]() by PRR |
![]() |
![]() |
replacing Batteries for a Wall Wart
Started by dude |
18 Replies
4230 Views |
![]() by dude |
![]() |
![]() |
Advice on Blues Breaker 2X12 type build
Started by bnwitt |
13 Replies
4822 Views |
![]() by purpletele |
![]() |
![]() |
Blues Junior output transformer specs
Started by sarkipinty |
12 Replies
8061 Views |
![]() by DummyLoad |
![]() |
![]() |
Need help with a AB763 Deluxe Lite
Started by labb |
6 Replies
2370 Views |
![]() by sluckey |
![]() |
![]() |
TOS next build?
Started by dennyg |
9 Replies
3164 Views |
![]() by sluckey |
![]() |
![]() |
12 Replies
4146 Views |
![]() by bnwitt |
|
![]() |
![]() |
Supro 1624T - fixed bias?
Started by adamG |
23 Replies
10427 Views |
![]() by adamG |
![]() |
![]() |
Shuguang 274B rectifier anyone?
Started by mresistor |
3 Replies
2603 Views |
![]() by tubeswell |
![]() |
![]() |
Presence and Resonance Controls
Started by JKRamsey1991 |
6 Replies
5079 Views |
![]() by mresistor |
![]() |
![]() |
14 Replies
8688 Views |
![]() by Ed_Chambley |
|
![]() |
![]() |
149 Replies
31810 Views |
![]() by EL34 |
|
![]() |
![]() |
Hoffman AB763 SR Cap Filter Board
Started by bnwitt |
2 Replies
1885 Views |
![]() by bnwitt |
![]() |
![]() |
1 Replies
2231 Views |
![]() by tubeswell |
|
![]() |
![]() |
Revibe has no reverb
Started by Apexelectric |
25 Replies
6288 Views |
![]() by PRR |
![]() |
![]() |
5e3 eyelet board
Started by thor2015 |
9 Replies
4249 Views |
![]() by thor2015 |
![]() |
![]() |
KT 120 in a Sunn / Fender 300T
Started by pbman1953 |
1 Replies
1940 Views |
![]() by 92Volts |
![]() |
![]() |
1 Replies
2003 Views |
![]() by sluckey |
|
![]() |
![]() |
CJ 11 layout
Started by Auke Jolman |
15 Replies
7180 Views |
![]() by Glenn |
![]() |
![]() |
Bad tubes?
Started by uki |
2 Replies
2039 Views |
![]() by uki |
![]() |
![]() |
Metal film (blue) vs. film (tan) resistors
Started by dude |
24 Replies
8928 Views |
![]() by HotBluePlates |
![]() |
![]() |
6V6 Plexi build
Started by Tone Junkie |
22 Replies
5456 Views |
![]() by dude |
![]() |
![]() |
JVM410 - Voltage on nodes ?
Started by kagliostro |
2 Replies
2030 Views |
![]() by kagliostro |
![]() |
![]() |
Help identifying this flavour of hum
Started by TequilaKez |
9 Replies
3281 Views |
![]() by Leevi |
![]() |
![]() |
Rectifier safety diodes question
Started by mresistor |
5 Replies
3011 Views |
![]() by mresistor |
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 |