Welcome To the Hoffman Amplifiers Forum
August 29, 2026, 08:20:14 pm
Welcome To the Hoffman Amplifiers ForumAugust 29, 2026, 08:20:14 pm | ||
| Subject / Started by | Replies / Views | Last post  |
||
|---|---|---|---|---|
| tubenit and 22 Guests are viewing this board. | ||||
|
|
Supertwin bias question
Started by howardmoon |
2 Replies
4425 Views |
April 06, 2022, 11:04:20 amby howardmoon |
|
|
A Little Trem-O-Nator Help?
Started by Lectroid |
49 Replies
16993 Views |
April 05, 2022, 04:31:29 pm by Lectroid |
|
|
|
18 Replies
12207 Views |
April 05, 2022, 03:04:35 pm by Rontone |
|
|
|
|
13 Replies
6754 Views |
April 05, 2022, 01:11:01 pm by shooter |
|
|
|
|
7 Replies
8505 Views |
April 05, 2022, 10:17:37 am by PharmRock |
|
|
|
|
I'm getting a light shock
Started by pbman1953 |
26 Replies
9254 Views |
April 04, 2022, 10:02:13 pm by PRR |
|
|
|
Fender Deluxe Output Transformer testing
Started by fritz203 |
14 Replies
7607 Views |
April 04, 2022, 03:40:11 pm by fritz203 |
|
|
|
2 Replies
3924 Views |
April 04, 2022, 03:27:46 pm by fdesalvo |
|
|
|
|
Princeton Reverb NFB resistor issue
Started by teletaylor |
4 Replies
4247 Views |
April 04, 2022, 01:49:22 pm by PRR |
|
|
|
18 Replies
11345 Views |
April 04, 2022, 12:12:29 pm by pdf64 |
|
|
|
|
Boost switch on AB763
Started by dude |
4 Replies
3973 Views |
April 03, 2022, 03:05:54 pm by dude |
|
|
|
7 Replies
5194 Views |
April 03, 2022, 01:20:23 pm by shooter |
|
|
|
|
Blues JR Versions vs schematics
Started by Nathan |
10 Replies
6617 Views |
April 03, 2022, 06:49:55 am by pdf64 |
|
|
|
IERC tube shields
Started by PharmRock |
1 Replies
3476 Views |
April 02, 2022, 12:15:56 pm by sluckey |
|
|
|
19 Replies
8106 Views |
April 02, 2022, 01:16:33 am by SoundmasterG |
|
|
|
|
Dual bias mod question
Started by joesatch |
8 Replies
6305 Views |
April 01, 2022, 12:27:05 pm by astronomicum |
|
|
|
6V6 20 watt OT
Started by Kaaskop |
20 Replies
11471 Views |
March 31, 2022, 05:21:35 pm by Kaaskop |
|
|
|
Trem Injection
Started by Sonny ReVerb |
3 Replies
3692 Views |
March 31, 2022, 09:16:09 am by Sonny ReVerb |
|
|
|
5 Replies
4618 Views |
March 31, 2022, 08:00:13 am by sluckey |
|
|
|
|
Can i run DC heaters with this?
Started by joesatch |
18 Replies
7830 Views |
March 30, 2022, 04:50:41 pm by PRR |
|
|
|
Supro Coronado Build
Started by craigtone |
7 Replies
4680 Views |
March 30, 2022, 01:49:57 pm by craigtone |
|
|
|
70s Twin Reverb - Unusual noise
Started by falconer333 |
2 Replies
3780 Views |
March 30, 2022, 07:30:02 am by Latole |
|
|
|
Lectures on cathode followers
Started by lantertronics |
1 Replies
3517 Views |
March 30, 2022, 12:45:36 am by Electron Tornado |
|
|
|
213 Troubadour Voltages
Started by svejkist |
3 Replies
3938 Views |
March 29, 2022, 09:45:40 pm by svejkist |
|
|
|
Transformer Selection Question
Started by Kaaskop |
0 Replies
4200 Views |
March 29, 2022, 09:13:27 pm by Kaaskop |
|
|
|
6EU7 tube in a guitar amp?
Started by AmberB |
10 Replies
7700 Views |
March 29, 2022, 08:48:03 pm by HotBluePlates |
|
|
|
Tube amp and line regulation
Started by pbman1953 |
4 Replies
4317 Views |
March 29, 2022, 08:27:10 pm by HotBluePlates |
|
|
|
17 Replies
8232 Views |
March 29, 2022, 03:32:08 pm by tubeswell |
|
|
|
|
Interesting You Tube channels
Started by Electron Tornado |
1 Replies
3605 Views |
March 29, 2022, 05:00:14 am by lantertronics |
|
|
55 Replies
22356 Views |
March 28, 2022, 10:23:53 pm by jamaio |
|
|
|
|
5U4M/5C4M Rectifiers
Started by 72Blazer |
12 Replies
7383 Views |
March 27, 2022, 08:08:42 pm by mresistor |
|
|
|
Pro Reverb that says it's a Twin?
Started by JB |
8 Replies
4741 Views |
March 27, 2022, 11:45:22 am by JB |
|
|
|
Vibration Induced bias runaway?
Started by Dyerseve726 |
16 Replies
7638 Views |
March 26, 2022, 01:52:29 pm by shooter |
|
|
|
Where to get good TUBES
Started by schturlan |
30 Replies
10789 Views |
March 26, 2022, 10:01:42 am by j_bruce |
|
|
|
Common cathode preamp stages
Started by lantertronics |
0 Replies
4455 Views |
March 26, 2022, 03:05:26 am by lantertronics |
|
|
|
Parallel 6.3V wiring (6922)
Started by dwinstonwood |
12 Replies
7260 Views |
March 25, 2022, 11:16:39 am by dwinstonwood |
|
|
|
Supro 6606 Build - Sluckey Layout
Started by ebulakowski |
3 Replies
4198 Views |
March 25, 2022, 11:00:42 am by ebulakowski |
|
|
|
PI tube type concerns.
Started by joesatch |
4 Replies
4053 Views |
March 25, 2022, 10:22:52 am by joesatch |
|
|
|
6 Replies
4332 Views |
March 25, 2022, 02:56:27 am by kagliostro |
|
|
|
|
2 Replies
3694 Views |
March 25, 2022, 02:47:45 am by kagliostro |
|
|
|
|
Adding electrolytic in series...
Started by Stuff4bikes |
8 Replies
5127 Views |
March 24, 2022, 08:21:25 pm by Stuff4bikes |
|
|
|
PA amp to guitar amp convertion.
Started by distortionhead |
23 Replies
8818 Views |
March 24, 2022, 01:47:16 pm by kagliostro |
|
|
|
7 Replies
5131 Views |
March 24, 2022, 09:53:46 am by PharmRock |
|
|
|
|
Buying power transformers
Started by AmberB |
20 Replies
9141 Views |
March 23, 2022, 10:21:03 pm by ok_state_blues |
|
|
|
Ampeg B15S Buzz
Started by sjwood3 |
15 Replies
7686 Views |
March 23, 2022, 09:50:52 pm by AmberB |
|
|
|
Repurpose Peavey PT
Started by joesatch |
11 Replies
5484 Views |
March 23, 2022, 03:04:10 pm by joesatch |
|
|
|
Power transformer "custom" wiring
Started by Marc |
2 Replies
3760 Views |
March 23, 2022, 08:12:57 am by Marc |
|
|
|
5 Replies
5591 Views |
March 23, 2022, 06:46:12 am by shooter |
|
|
|
|
Blues Jr. Dummy Load
Started by dpm309 |
5 Replies
5769 Views |
March 22, 2022, 10:06:25 pm by acheld |
|
|
|
70 Replies
35181 Views |
March 22, 2022, 07:59:06 pm by HotBluePlates |
|
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 |