Welcome To the Hoffman Amplifiers ForumApril 25, 2026, 07:37:33 am | ||
| Subject / Started by | Replies / Views | Last post ![]() |
||
|---|---|---|---|---|
| 0 Members and 14 Guests are viewing this board. | ||||
|
|
22 Replies
4028 Views |
by Platefire |
|
|
|
HR DeVille number two.
Started by Bluebark |
20 Replies
4338 Views |
by Bluebark |
|
|
Sound City 120 is in a bad way
Started by Williamblake |
49 Replies
18548 Views |
by Williamblake |
|
|
12AZ7 as DC Cathode Follower?
Started by dwinstonwood |
3 Replies
2065 Views |
by tubeswell |
|
|
Fender Bassman AC568 issue
Started by retrorod |
8 Replies
2650 Views |
by retrorod |
|
|
Mic Preamp Power Supply Questions
Started by Jonas |
6 Replies
2789 Views |
by Jonas |
|
|
33 Replies
17813 Views |
by tubeswell |
|
|
|
Bugera 333XL-212 power amp stage problem
Started by Carlito |
6 Replies
2902 Views |
by scstill |
|
|
Stand-Alone 5V/3A Filament TX W/CT
Started by dwinstonwood |
4 Replies
2297 Views |
by dwinstonwood |
|
|
19 Replies
4840 Views |
by wsscott |
|
|
|
8 Replies
3227 Views |
by Merlin |
|
|
|
So I tried the Hybrid Tube/SS rectifier...
Started by Nathan |
4 Replies
2543 Views |
by Nathan |
|
|
4 Replies
2256 Views |
by HotBluePlates |
|
|
|
Bias high voltage on HR Deville
Started by Bluebark |
8 Replies
2511 Views |
by shooter |
|
|
Vvr and bias switching
Started by Mike-p |
6 Replies
2474 Views |
by Mike-p |
|
|
"popping" Fender Twin Amp '57
Started by Sansteeth |
16 Replies
5200 Views |
by Sansteeth |
|
|
70's Italian amp "Sound Big 10" schematic?
Started by JvR |
19 Replies
7051 Views |
by isaac_teller |
|
|
APD-8025H Color Codes
Started by Richs1979 |
8 Replies
2898 Views |
by Richs1979 |
|
|
12 Replies
3819 Views |
by DummyLoad |
|
|
|
New Hoffman Plexi build
Started by Richs1979 |
4 Replies
2436 Views |
by Richs1979 |
|
|
Soldano / Rosamp SLO50 / 50W Amp Build
Started by RoadShow |
3 Replies
2757 Views |
by chaohore |
|
|
DIY Brownface faceplate work
Started by bullkelp |
4 Replies
2538 Views |
by rake |
|
|
103 Replies
33272 Views |
by uki |
|
|
|
5 Replies
2748 Views |
by dragonbat13 |
|
|
|
AA864 bass channel mod help - SOLVED
Started by bullkelp |
15 Replies
3733 Views |
by bullkelp |
|
|
Silicone filter caps down
Started by Blooze |
5 Replies
2709 Views |
by Blooze |
|
|
Roaches: Rolling your own
Started by stratomaster |
19 Replies
5090 Views |
by astronomicum |
|
|
Anyone have layout of soldano X88R?
Started by chaohore |
5 Replies
2787 Views |
by chaohore |
|
|
Did I ruin my resevoir e-cap?
Started by pullshocks |
5 Replies
2489 Views |
by pullshocks |
|
|
39 Replies
14663 Views |
by SpeedTrip |
|
|
|
5 Replies
2789 Views |
by JPK |
|
|
|
1 Replies
1989 Views |
by EL34 |
|
|
|
Rebuilding Fender Deluxe Reverb Reissue
Started by jaster55 |
5 Replies
4137 Views |
by jaster55 |
|
|
127 Replies
39750 Views |
by plexi50 |
|
|
|
Power section & bias checks
Started by Wonder2121 |
24 Replies
10245 Views |
by Wonder2121 |
|
|
"bleeder" resistor from primary fuse
Started by scstill |
1 Replies
1804 Views |
by tubeswell |
|
|
Clean tube amp design
Started by FREYES_7 |
10 Replies
4305 Views |
by HotBluePlates |
|
|
34 Replies
8327 Views |
by tubeswell |
|
|
|
Need to increase Negative bias voltage
Started by pbman1953 |
9 Replies
3726 Views |
by pbman1953 |
|
|
14 Replies
7233 Views |
by TexasTone |
|
|
|
MOVED: New Cab Design
Started by Willabe |
0 Replies
2510 Views |
by Willabe |
|
|
bass 400 +
Started by fredouille |
3 Replies
2994 Views |
by tubeswell |
|
|
Gibson GA-77 New Issue
Started by jukelemon |
9 Replies
3382 Views |
by jukelemon |
|
|
10 Replies
5599 Views |
by RoadShow |
|
|
|
DRRI tremolo Intensity issue
Started by GuitarPilot65 |
5 Replies
2749 Views |
by stratomaster |
|
|
Blackstar Ht club 40 MkII
Started by maltikeks |
3 Replies
3229 Views |
by rake |
|
|
Location of OT to PT
Started by dude |
6 Replies
3335 Views |
by kagliostro |
|
|
MK2 Vox AC50 Bias issues..,
Started by Jalmeida |
10 Replies
4643 Views |
by Jalmeida |
|
|
Sunn Beta bass 100 watt
Started by isaac_teller |
2 Replies
2694 Views |
by isaac_teller |
|
|
Fender 6G6-C Bassman Build
Started by dwinstonwood |
33 Replies
13882 Views |
by dwinstonwood |
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 |