Welcome To the Hoffman Amplifiers Forum
September 06, 2025, 01:13:29 pm
Welcome To the Hoffman Amplifiers ForumSeptember 06, 2025, 01:13:29 pm | ||
| Subject / Started by | Replies / Views | Last post  |
||
|---|---|---|---|---|
| 0 Members and 20 Guests are viewing this board. | ||||
|
|
latest build
Started by ernie_jr |
5 Replies
2682 Views |
November 06, 2012, 04:47:32 amby LooseChange |
|
|
|
1 Replies
3292 Views |
November 06, 2012, 04:29:32 am by stratele52 |
|
|
|
|
2 Replies
1821 Views |
November 05, 2012, 08:35:22 pm by PRR |
|
|
|
|
Univox Help Needed
Started by cdmarion |
22 Replies
6036 Views |
November 05, 2012, 05:52:09 pm by Ritchie200 |
|
|
|
Bassman AA865 - {really AC568}
Started by Lizard King |
14 Replies
6143 Views |
November 05, 2012, 07:13:58 am by Lizard King |
|
|
Hum in a GA-19RVT.......
Started by Jack_Hester |
36 Replies
9734 Views |
November 05, 2012, 05:08:04 am by Jack_Hester |
|
|
|
6G9 Tremolux bias questions
Started by Gone_Fishing |
12 Replies
4886 Views |
November 04, 2012, 11:06:51 am by sluckey |
|
|
|
13 Replies
7427 Views |
November 04, 2012, 05:57:07 am by six el six |
|
|
|
|
24 Replies
9452 Views |
November 03, 2012, 07:16:03 pm by smackoj |
|
|
|
|
8 Replies
3622 Views |
November 03, 2012, 11:44:55 am by HotBluePlates |
|
|
|
|
12 Replies
4691 Views |
November 02, 2012, 02:41:11 am by kagliostro |
|
|
|
|
HRD Crackling: Update Sucess!
Started by plexi50 |
32 Replies
7277 Views |
November 01, 2012, 04:56:33 pm by phsyconoodler |
|
|
|
coupling caps quality
Started by Colas LeGrippa |
27 Replies
14806 Views |
November 01, 2012, 02:25:44 pm by Colas LeGrippa |
|
|
|
Mitchell Pro 100 Schematics?
Started by balcorn80 |
8 Replies
6693 Views |
October 31, 2012, 06:16:41 pm by HotBluePlates |
|
|
|
Valco tonemaster schem ?
Started by jerrydyer |
4 Replies
3845 Views |
October 30, 2012, 06:51:46 pm by HotBluePlates |
|
|
|
Setting bias using amp head bias probe
Started by frank57 |
5 Replies
3872 Views |
October 30, 2012, 02:40:14 pm by stratele52 |
|
|
|
7591 tubes
Started by ernie_jr |
10 Replies
14864 Views |
October 30, 2012, 01:45:47 pm by PRR |
|
|
|
Trainwreck Express vs Marshall 1987 Plexi
Started by jojokeo |
34 Replies
19767 Views |
October 29, 2012, 07:30:43 pm by printer2 |
|
|
|
Control Grid Reading On EL34.
Started by Gary_S |
30 Replies
12648 Views |
October 29, 2012, 02:46:01 pm by Gary_S |
|
|
|
26 Replies
10142 Views |
October 29, 2012, 09:55:48 am by TubeGeek |
|
|
|
|
Very Strange Problem
Started by dscottguitars |
11 Replies
3465 Views |
October 29, 2012, 12:55:49 am by PRR |
|
|
|
Gibson Thor output impedance
Started by Tiny_Daddy |
3 Replies
2255 Views |
October 28, 2012, 12:00:57 pm by HotBluePlates |
|
|
|
preamp tube testing chassis
Started by Quatro |
7 Replies
4521 Views |
October 28, 2012, 03:34:45 am by SoundmasterG |
|
|
|
50/60 cycles - difference in tone?
Started by Quatro |
5 Replies
6187 Views |
October 28, 2012, 01:00:32 am by HotBluePlates |
|
|
|
double decked layout boards ?
Started by tubenit |
7 Replies
2933 Views |
October 27, 2012, 05:59:05 am by SoundmasterG |
|
|
|
6.3V lamp current
Started by spacelabstudio |
7 Replies
3232 Views |
October 26, 2012, 09:02:42 pm by tubeswell |
|
|
|
filter caps question
Started by dude |
5 Replies
2123 Views |
October 26, 2012, 05:45:28 pm by dude |
|
|
|
2x Speaker Cab switch
Started by moonbird |
3 Replies
2283 Views |
October 25, 2012, 08:29:50 pm by moonbird |
|
|
|
Princeton Reverb Clone Preamp Bias
Started by plexi50 |
8 Replies
3517 Views |
October 25, 2012, 06:34:36 pm by HotBluePlates |
|
|
|
Powercon
Started by spacelabstudio |
1 Replies
1868 Views |
October 25, 2012, 06:32:42 pm by HotBluePlates |
|
|
51 Replies
10018 Views |
October 24, 2012, 05:41:01 pm by embotone |
|
|
|
|
Stand Alone JCM800 Preamp Help Please
Started by ncusack |
1 Replies
2754 Views |
October 24, 2012, 11:08:28 am by SILVERGUN |
|
|
|
44 Replies
13746 Views |
October 23, 2012, 05:42:50 pm by SILVERGUN |
|
|
|
|
51 Replies
11499 Views |
October 23, 2012, 04:04:45 pm by SleepLess |
|
|
|
|
6v6 ppp output tranny
Started by ernie_jr |
6 Replies
3709 Views |
October 22, 2012, 03:46:27 am by stratele52 |
|
|
|
Tweed Tone Control Simulation
Started by printer2 |
0 Replies
2489 Views |
October 21, 2012, 09:36:29 pm by printer2 |
|
|
|
Pilot/heater delay when powering up
Started by Mars-Hall |
4 Replies
2194 Views |
October 21, 2012, 12:08:42 am by PRR |
|
|
|
10 Replies
2913 Views |
October 20, 2012, 07:43:13 pm by Willabe |
|
|
|
|
TREMOLUX AB763 speaker load ?
Started by Colas LeGrippa |
13 Replies
6505 Views |
October 20, 2012, 04:37:03 pm by Colas LeGrippa |
|
|
|
71 Replies
15114 Views |
October 20, 2012, 09:12:08 am by worth |
|
|
|
|
Lower V1 bypass cap value increases hum?
Started by schoolie |
18 Replies
8014 Views |
October 18, 2012, 07:46:35 pm by tubenit |
|
|
|
Sovtek 5Y3
Started by labb |
18 Replies
6658 Views |
October 18, 2012, 01:16:23 pm by jeff |
|
|
|
Hi.
Started by musicman3858 |
13 Replies
4141 Views |
October 17, 2012, 02:52:55 pm by Willabe |
|
|
|
39 Replies
9555 Views |
October 17, 2012, 02:17:46 pm by Gary_S |
|
|
|
|
2 Replies
2651 Views |
October 16, 2012, 10:07:26 pm by HotBluePlates |
|
|
|
|
2 Replies
2723 Views |
October 16, 2012, 05:10:21 pm by kagliostro |
|
|
|
|
11 Replies
9679 Views |
October 16, 2012, 01:31:58 pm by carausius |
|
|
|
|
JCM800 6550 issue
Started by newtube |
7 Replies
5042 Views |
October 15, 2012, 10:26:32 pm by PRR |
|
|
|
Model x what are they good for?
Started by rafe |
7 Replies
3625 Views |
October 15, 2012, 07:42:03 pm by rafe |
|
|
|
5E3 Volume Tone mod
Started by printer2 |
6 Replies
3438 Views |
October 14, 2012, 07:00:42 pm by printer2 |
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 |