Welcome To the Hoffman Amplifiers Forum
January 24, 2026, 06:55:29 pm
Welcome To the Hoffman Amplifiers ForumJanuary 24, 2026, 06:55:29 pm | ||
| Subject / Started by | Replies / Views | Last post  |
||
|---|---|---|---|---|
| 0 Members and 66 Guests are viewing this board. | ||||
|
|
voltages on a schematic
Started by dude |
3 Replies
3355 Views |
September 01, 2011, 02:58:19 pmby stratele52 |
|
|
|
4 Replies
3525 Views |
September 01, 2011, 01:59:22 am by kagliostro |
|
|
|
|
PI problem
Started by Matty_V |
12 Replies
4846 Views |
August 31, 2011, 04:52:32 pm by Matty_V |
|
|
|
022798 PT Orange Shield Wire
Started by dixiepig |
5 Replies
4108 Views |
August 31, 2011, 03:31:00 pm by dixiepig |
|
|
|
Vibro Champ Heater Wiring?
Started by blueznet |
11 Replies
9997 Views |
August 31, 2011, 01:11:07 pm by xm52 |
|
|
|
2204 SE done!
Started by Madison |
20 Replies
7908 Views |
August 31, 2011, 07:51:27 am by Madison |
|
|
|
Pot Problem Question
Started by Ed_Chambley |
8 Replies
4008 Views |
August 31, 2011, 06:16:59 am by frankeg |
|
|
|
Pot substitution question
Started by mpayne |
1 Replies
2762 Views |
August 31, 2011, 12:24:44 am by PRR |
|
|
|
jcm 900 slx 50w issues
Started by 961le |
4 Replies
3948 Views |
August 30, 2011, 08:43:05 pm by 961le |
|
|
|
eletrolytic radial vs axial
Started by tcoil |
2 Replies
3373 Views |
August 29, 2011, 11:04:09 pm by PRR |
|
|
|
Marshall Jubilee tonestack
Started by RobBozic |
2 Replies
3577 Views |
August 29, 2011, 05:38:19 pm by RobBozic |
|
|
|
Power Amp Rewire (Plexi Gain 20 )
Started by TIMBO |
2 Replies
2922 Views |
August 29, 2011, 02:27:39 pm by TIMBO |
|
|
|
"actual" plate voltage ?
Started by worth |
3 Replies
3805 Views |
August 29, 2011, 12:34:16 pm by sluckey |
|
|
|
My Traynor YBA-3A Super seems weaker
Started by pbman1953 |
18 Replies
7361 Views |
August 29, 2011, 10:49:34 am by pbman1953 |
|
|
|
16 Replies
14260 Views |
August 29, 2011, 06:58:12 am by kagliostro |
|
|
|
|
Boogie 50 Caliber repair
Started by six el six |
13 Replies
6889 Views |
August 29, 2011, 03:33:59 am by six el six |
|
|
|
parallel output tube bias ?
Started by worth |
16 Replies
6827 Views |
August 29, 2011, 12:50:52 am by tubeswell |
|
|
|
5 Replies
3244 Views |
August 28, 2011, 02:25:18 pm by HotBluePlates |
|
|
|
|
transformer damage?
Started by CraigB |
9 Replies
4740 Views |
August 28, 2011, 12:13:27 pm by CraigB |
|
|
|
VVR. Entire amp or power section?
Started by Madison |
9 Replies
5727 Views |
August 28, 2011, 12:33:45 am by Madison |
|
|
|
PLEXI GAIN 20 with BUZZ
Started by TIMBO |
18 Replies
5817 Views |
August 27, 2011, 03:26:06 pm by TIMBO |
|
|
|
67 Bassman head pin voltages
Started by Craselaw |
19 Replies
10363 Views |
August 27, 2011, 12:10:32 pm by eleventeen |
|
|
|
11 Replies
8020 Views |
August 26, 2011, 05:39:34 pm by HotBluePlates |
|
|
|
|
Deluxe Reverb problem?
Started by mresistor |
9 Replies
4742 Views |
August 26, 2011, 12:53:36 am by Rev D |
|
|
|
dialing in your NFB tone
Started by tubenit |
17 Replies
9745 Views |
August 25, 2011, 12:43:52 am by PRR |
|
|
|
power supply help
Started by ernie_jr |
9 Replies
4529 Views |
August 24, 2011, 11:55:31 pm by PRR |
|
|
|
3 Replies
5811 Views |
August 24, 2011, 11:17:19 pm by stingray_65 |
|
|
|
|
More headroom
Started by John |
5 Replies
3812 Views |
August 24, 2011, 09:20:52 pm by HotBluePlates |
|
|
|
Power Amp in on Marshall 2204?
Started by JustMike |
5 Replies
3894 Views |
August 24, 2011, 12:16:31 pm by Boots Deville |
|
|
|
TRRI reverb not working
Started by firemedic |
12 Replies
5047 Views |
August 23, 2011, 05:40:15 pm by firemedic |
|
|
|
17 Replies
14918 Views |
August 22, 2011, 10:48:33 pm by jojokeo |
|
|
|
|
Does this work as an adjustable NFB?
Started by Madison |
8 Replies
5784 Views |
August 22, 2011, 09:21:49 am by jjasilli |
|
|
|
25K - RA POT?
Started by blueznet |
7 Replies
5361 Views |
August 22, 2011, 08:02:50 am by OldHouseScott |
|
|
|
parallel 6V6 5F1 output primary ?
Started by worth |
6 Replies
4579 Views |
August 20, 2011, 11:52:51 pm by PRR |
|
|
|
Strange 5F1 build problem
Started by worth |
6 Replies
3809 Views |
August 20, 2011, 04:39:29 pm by eleventeen |
|
|
|
Hammond S6 Chord Organ
Started by mresistor |
8 Replies
7092 Views |
August 20, 2011, 11:09:23 am by stingray_65 |
|
|
|
13 Replies
8188 Views |
August 20, 2011, 06:47:11 am by LooseChange |
|
|
|
|
Tubes for Sound City 120
Started by telenorman |
9 Replies
8593 Views |
August 20, 2011, 03:18:25 am by overtone |
|
|
|
Presence control on 5F4
Started by Ed_Chambley |
9 Replies
6932 Views |
August 19, 2011, 10:48:15 pm by Ed_Chambley |
|
|
|
Kent DR-77 cardboard amp
Started by PRR |
19 Replies
9331 Views |
August 19, 2011, 08:41:36 pm by billcreller |
|
|
|
Filter caps
Started by J Rindt |
16 Replies
6052 Views |
August 19, 2011, 02:15:12 pm by catnine |
|
|
|
Princeton Reverb Problem on a new build
Started by KDakaWalt |
14 Replies
6184 Views |
August 19, 2011, 02:14:06 pm by tubeswell |
|
|
|
11 Replies
5268 Views |
August 19, 2011, 10:58:15 am by accmeint |
|
|
|
|
Schematic Library
Started by LooseChange |
14 Replies
6452 Views |
August 19, 2011, 06:34:11 am by EL34 |
|
|
|
capacitance in series
Started by tubenit |
3 Replies
3414 Views |
August 18, 2011, 08:12:58 pm by tubeswell |
|
|
|
23 Replies
8465 Views |
August 18, 2011, 06:03:03 pm by catnine |
|
|
|
|
Which PT to use?
Started by Madison |
13 Replies
5996 Views |
August 18, 2011, 05:21:42 pm by Madison |
|
|
|
12 Replies
6671 Views |
August 18, 2011, 05:20:35 am by mguitarworks |
|
|
|
|
Parallel Front End
Started by TIMBO |
10 Replies
4704 Views |
August 18, 2011, 03:39:14 am by TIMBO |
|
|
|
Tremolux 1964 AB763 ???
Started by plexi50 |
8 Replies
4150 Views |
August 18, 2011, 12:53:17 am by jojokeo |
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 |