Welcome To the Hoffman Amplifiers Forum
October 23, 2025, 10:12:15 pm
Welcome To the Hoffman Amplifiers ForumOctober 23, 2025, 10:12:15 pm | ||
| Subject / Started by | Replies / Views | Last post  |
||
|---|---|---|---|---|
| 0 Members and 63 Guests are viewing this board. | ||||
|
|
No Heater Voltage Bassman Head
Started by 7string |
11 Replies
5460 Views |
August 23, 2012, 09:37:31 pmby Ed_Chambley |
|
|
|
Home-brew pot question.
Started by DummyLoad |
9 Replies
3246 Views |
August 23, 2012, 07:52:30 pm by DummyLoad |
|
|
|
Gas Cooker
Started by cfreeborn |
6 Replies
3077 Views |
August 23, 2012, 06:29:04 pm by HotBluePlates |
|
|
|
11 Replies
5393 Views |
August 22, 2012, 04:09:01 pm by terminalgs |
|
|
|
|
Traynor YSR1 1968 Find w/ YF 410 Cab
Started by plexi50 |
20 Replies
7869 Views |
August 22, 2012, 01:14:40 pm by plexi50 |
|
|
|
15 Replies
6237 Views |
August 22, 2012, 07:48:23 am by Geezer |
|
|
|
|
Capacitor purpose question
Started by JonO |
11 Replies
5243 Views |
August 21, 2012, 11:03:44 pm by PRR |
|
|
|
5E3 box, 6g3 tone stack
Started by Ed_Chambley |
2 Replies
4847 Views |
August 21, 2012, 03:40:22 pm by Ed_Chambley |
|
|
|
PT voltage
Started by billcreller |
5 Replies
3048 Views |
August 20, 2012, 04:59:40 pm by billcreller |
|
|
|
Weird tone in VOX AC30
Started by Leevi |
4 Replies
2550 Views |
August 20, 2012, 01:35:48 pm by bnwitt |
|
|
|
Hissing JJs (6v6s)
Started by proaudioguy |
23 Replies
7789 Views |
August 20, 2012, 06:52:19 am by tubenit |
|
|
|
10 Replies
9724 Views |
August 19, 2012, 03:12:12 pm by billcreller |
|
|
|
|
Premier 90 Reverb humm issue
Started by LooseChange |
2 Replies
3851 Views |
August 18, 2012, 03:28:34 pm by HotBluePlates |
|
|
Black-flip
Started by CraigB |
31 Replies
10215 Views |
August 18, 2012, 11:28:47 am by CraigB |
|
|
|
Parallel EL34, SE 12 watts
Started by Ed_Chambley |
20 Replies
14945 Views |
August 18, 2012, 07:31:30 am by Ed_Chambley |
|
|
|
10 Replies
7961 Views |
August 17, 2012, 04:43:15 pm by spacelabstudio |
|
|
|
|
5 Replies
5290 Views |
August 16, 2012, 08:06:52 pm by HotBluePlates |
|
|
|
|
Component identification
Started by six el six |
3 Replies
2647 Views |
August 15, 2012, 03:55:54 pm by Ed_Chambley |
|
|
|
Stand Alone Reverb with bias vary Trem?
Started by Willabe |
14 Replies
5825 Views |
August 15, 2012, 10:59:57 am by Willabe |
|
|
|
bias advice
Started by dscottguitars |
8 Replies
3621 Views |
August 14, 2012, 11:05:23 pm by dscottguitars |
|
|
112 Replies
31020 Views |
August 14, 2012, 09:16:15 pm by Willabe |
|
|
|
|
Two amps under one hood.
Started by jeff |
12 Replies
5408 Views |
August 14, 2012, 05:40:42 pm by jeff |
|
|
|
Saved a Leslie 122 - Now what?
Started by tyru007 |
20 Replies
9283 Views |
August 13, 2012, 09:04:27 pm by proaudioguy |
|
|
|
Grid Leak Bias Input Question
Started by gtrbryan |
9 Replies
5689 Views |
August 13, 2012, 04:00:58 pm by HotBluePlates |
|
|
|
29 Replies
12021 Views |
August 13, 2012, 05:53:26 am by Ed_Chambley |
|
|
|
|
Paint transformers
Started by jeff |
8 Replies
7199 Views |
August 12, 2012, 05:18:49 pm by xm52 |
|
|
|
One Tube Reverb Signal Input
Started by plexi50 |
0 Replies
2044 Views |
August 11, 2012, 07:21:51 pm by plexi50 |
|
|
|
4AB3C1B vs 9AB2C1B
Started by LooseChange |
8 Replies
6109 Views |
August 11, 2012, 04:34:37 pm by plexi50 |
|
|
|
2 Replies
2261 Views |
August 11, 2012, 12:26:51 am by garyboy |
|
|
|
|
Switching between two tone stacks
Started by swipesy |
9 Replies
5753 Views |
August 10, 2012, 05:57:16 pm by swipesy |
|
|
|
10 Replies
4203 Views |
August 09, 2012, 10:04:01 pm by bnwitt |
|
|
|
|
gibson ga-20 coupling caps
Started by john_t |
16 Replies
6188 Views |
August 09, 2012, 09:26:56 pm by john_t |
|
|
|
super champ input jack wiring
Started by phsyconoodler |
4 Replies
3280 Views |
August 09, 2012, 03:14:21 pm by phsyconoodler |
|
|
|
Marshall Reverb Pot Values
Started by plexi50 |
5 Replies
3565 Views |
August 08, 2012, 06:53:52 pm by plexi50 |
|
|
|
Active FX box & standby?
Started by tubenit |
2 Replies
2056 Views |
August 08, 2012, 06:46:23 pm by tubenit |
|
|
|
47uf for the phase inverter filter
Started by dscottguitars |
8 Replies
6414 Views |
August 08, 2012, 02:46:16 pm by Willabe |
|
|
|
8 Replies
7819 Views |
August 08, 2012, 11:11:01 am by phsyconoodler |
|
|
|
|
high gain jcm 800 50w w/ 2 pairs kt77?
Started by garyboy |
6 Replies
3256 Views |
August 07, 2012, 09:23:26 pm by garyboy |
|
|
|
power rail question
Started by ernie_jr |
3 Replies
2610 Views |
August 07, 2012, 08:28:31 pm by ernie_jr |
|
|
|
Fixed vs Cathode Biasing
Started by plexi50 |
10 Replies
19658 Views |
August 07, 2012, 09:38:15 am by plexi50 |
|
|
|
Zeners Question
Started by bakerlite |
11 Replies
6213 Views |
August 06, 2012, 05:28:58 am by sluckey |
|
|
MOVED: Go Curiousity!!
Started by tubenit |
0 Replies
1976 Views |
August 06, 2012, 05:23:58 am by tubenit |
|
|
|
5 Replies
5408 Views |
August 05, 2012, 11:00:24 am by LooseChange |
|
|
|
|
10 Replies
4000 Views |
August 04, 2012, 02:11:34 pm by sluckey |
|
|
|
|
pt sourcing
Started by Bugman3183 |
13 Replies
4079 Views |
August 04, 2012, 05:24:36 am by EL34 |
|
|
|
Ampeg GV15
Started by plexi50 |
5 Replies
3898 Views |
August 03, 2012, 11:43:58 pm by DummyLoad |
|
|
|
two transformers back to back for isolation
Started by jeff |
4 Replies
2715 Views |
August 03, 2012, 03:42:15 pm by proaudioguy |
|
|
|
Tremolux Ab763 Intensity Pot Issue
Started by volt9 |
9 Replies
4213 Views |
August 02, 2012, 01:07:14 pm by volt9 |
|
|
|
2 Replies
2658 Views |
August 02, 2012, 12:14:11 pm by HotBluePlates |
|
|
|
|
minature alpha pots
Started by tubenit |
1 Replies
2103 Views |
August 02, 2012, 10:10:13 am by sluckey |
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 |