Welcome To the Hoffman Amplifiers Forum
April 27, 2026, 08:01:33 pm
Welcome To the Hoffman Amplifiers ForumApril 27, 2026, 08:01:33 pm | ||
| Subject / Started by | Replies / Views | Last post  |
||
|---|---|---|---|---|
| 0 Members and 80 Guests are viewing this board. | ||||
|
|
800vac supply on PT secondary
Started by unclerny |
23 Replies
9069 Views |
August 30, 2012, 06:35:05 pmby unclerny |
|
|
|
What's the bias dealio ?!
Started by worth |
3 Replies
3488 Views |
August 30, 2012, 01:24:41 am by tubeswell |
|
|
|
Princeton / adding loop Complete
Started by Ed_Chambley |
24 Replies
12316 Views |
August 29, 2012, 09:52:47 am by Ed_Chambley |
|
|
|
using a magic eye as an audio amplifier
Started by birt |
16 Replies
12505 Views |
August 29, 2012, 05:25:45 am by tubeswell |
|
|
|
Reverb Driver Question
Started by zendragon63 |
3 Replies
4672 Views |
August 28, 2012, 08:57:26 pm by PRR |
|
|
|
6C10 style plug
Started by proaudioguy |
14 Replies
8085 Views |
August 27, 2012, 05:58:23 pm by proaudioguy |
|
|
|
SE EL34 design considerations
Started by panhead |
6 Replies
4974 Views |
August 27, 2012, 03:35:21 am by jojokeo |
|
|
|
Peavey Heritage
Started by Pappie |
2 Replies
3587 Views |
August 26, 2012, 08:25:47 pm by plexi50 |
|
|
|
Signal bleeding through
Started by jeff |
22 Replies
10010 Views |
August 26, 2012, 07:48:47 pm by jeff |
|
|
|
6973 tube anyone?
Started by terminalgs |
2 Replies
4854 Views |
August 26, 2012, 04:34:32 pm by gtrbryan |
|
|
|
Capacitor Substitution Sanity Check
Started by cgiesel1 |
3 Replies
5003 Views |
August 25, 2012, 10:59:58 pm by cgiesel1 |
|
|
|
3 Replies
5280 Views |
August 25, 2012, 12:25:43 pm by kagliostro |
|
|
|
|
stupid bias question
Started by worth |
1 Replies
3025 Views |
August 25, 2012, 11:23:19 am by EL34 |
|
|
|
Tweakin' a Kalamazoo M2 design...
Started by lowatter |
21 Replies
10025 Views |
August 25, 2012, 07:32:04 am by sluckey |
|
|
|
mid pot.. linear or audio taper ?
Started by worth |
6 Replies
7104 Views |
August 25, 2012, 05:12:24 am by alerich |
|
|
|
9 Replies
6930 Views |
August 25, 2012, 03:39:10 am by kagliostro |
|
|
|
|
No Heater Voltage Bassman Head
Started by 7string |
11 Replies
7178 Views |
August 23, 2012, 09:37:31 pm by Ed_Chambley |
|
|
|
Home-brew pot question.
Started by DummyLoad |
9 Replies
4522 Views |
August 23, 2012, 07:52:30 pm by DummyLoad |
|
|
|
Gas Cooker
Started by cfreeborn |
6 Replies
4535 Views |
August 23, 2012, 06:29:04 pm by HotBluePlates |
|
|
|
11 Replies
7178 Views |
August 22, 2012, 04:09:01 pm by terminalgs |
|
|
|
|
Traynor YSR1 1968 Find w/ YF 410 Cab
Started by plexi50 |
20 Replies
10270 Views |
August 22, 2012, 01:14:40 pm by plexi50 |
|
|
|
15 Replies
8455 Views |
August 22, 2012, 07:48:23 am by Geezer |
|
|
|
|
Capacitor purpose question
Started by JonO |
11 Replies
6747 Views |
August 21, 2012, 11:03:44 pm by PRR |
|
|
|
5E3 box, 6g3 tone stack
Started by Ed_Chambley |
2 Replies
6156 Views |
August 21, 2012, 03:40:22 pm by Ed_Chambley |
|
|
|
PT voltage
Started by billcreller |
5 Replies
4470 Views |
August 20, 2012, 04:59:40 pm by billcreller |
|
|
|
Weird tone in VOX AC30
Started by Leevi |
4 Replies
3746 Views |
August 20, 2012, 01:35:48 pm by bnwitt |
|
|
|
Hissing JJs (6v6s)
Started by proaudioguy |
23 Replies
10604 Views |
August 20, 2012, 06:52:19 am by tubenit |
|
|
|
10 Replies
11856 Views |
August 19, 2012, 03:12:12 pm by billcreller |
|
|
|
|
Premier 90 Reverb humm issue
Started by LooseChange |
2 Replies
5111 Views |
August 18, 2012, 03:28:34 pm by HotBluePlates |
|
|
Black-flip
Started by CraigB |
31 Replies
13312 Views |
August 18, 2012, 11:28:47 am by CraigB |
|
|
|
Parallel EL34, SE 12 watts
Started by Ed_Chambley |
20 Replies
17888 Views |
August 18, 2012, 07:31:30 am by Ed_Chambley |
|
|
|
10 Replies
9489 Views |
August 17, 2012, 04:43:15 pm by spacelabstudio |
|
|
|
|
5 Replies
6914 Views |
August 16, 2012, 08:06:52 pm by HotBluePlates |
|
|
|
|
Component identification
Started by six el six |
3 Replies
3970 Views |
August 15, 2012, 03:55:54 pm by Ed_Chambley |
|
|
|
Stand Alone Reverb with bias vary Trem?
Started by Willabe |
14 Replies
8024 Views |
August 15, 2012, 10:59:57 am by Willabe |
|
|
|
bias advice
Started by dscottguitars |
8 Replies
4987 Views |
August 14, 2012, 11:05:23 pm by dscottguitars |
|
|
112 Replies
43044 Views |
August 14, 2012, 09:16:15 pm by Willabe |
|
|
|
|
Two amps under one hood.
Started by jeff |
12 Replies
7589 Views |
August 14, 2012, 05:40:42 pm by jeff |
|
|
|
Saved a Leslie 122 - Now what?
Started by tyru007 |
20 Replies
11514 Views |
August 13, 2012, 09:04:27 pm by proaudioguy |
|
|
|
Grid Leak Bias Input Question
Started by gtrbryan |
9 Replies
7193 Views |
August 13, 2012, 04:00:58 pm by HotBluePlates |
|
|
|
29 Replies
16230 Views |
August 13, 2012, 05:53:26 am by Ed_Chambley |
|
|
|
|
Paint transformers
Started by jeff |
8 Replies
9115 Views |
August 12, 2012, 05:18:49 pm by xm52 |
|
|
|
One Tube Reverb Signal Input
Started by plexi50 |
0 Replies
3001 Views |
August 11, 2012, 07:21:51 pm by plexi50 |
|
|
|
4AB3C1B vs 9AB2C1B
Started by LooseChange |
8 Replies
7955 Views |
August 11, 2012, 04:34:37 pm by plexi50 |
|
|
|
2 Replies
3535 Views |
August 11, 2012, 12:26:51 am by garyboy |
|
|
|
|
Switching between two tone stacks
Started by swipesy |
9 Replies
7390 Views |
August 10, 2012, 05:57:16 pm by swipesy |
|
|
|
10 Replies
5639 Views |
August 09, 2012, 10:04:01 pm by bnwitt |
|
|
|
|
gibson ga-20 coupling caps
Started by john_t |
16 Replies
8025 Views |
August 09, 2012, 09:26:56 pm by john_t |
|
|
|
super champ input jack wiring
Started by phsyconoodler |
4 Replies
4664 Views |
August 09, 2012, 03:14:21 pm by phsyconoodler |
|
|
|
Marshall Reverb Pot Values
Started by plexi50 |
5 Replies
4884 Views |
August 08, 2012, 06:53:52 pm by plexi50 |
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 |