Welcome To the Hoffman Amplifiers Forum
September 06, 2025, 04:38:59 pm
Welcome To the Hoffman Amplifiers ForumSeptember 06, 2025, 04:38:59 pm | ||
| Subject / Started by | Replies / Views | Last post  |
||
|---|---|---|---|---|
| Williamblake, shampeon and 32 Guests are viewing this board. | ||||
|
|
3rd prong (AC ground) removed=problems?
Started by Madison |
7 Replies
2932 Views |
July 26, 2012, 07:03:34 amby kagliostro |
|
|
|
Sluckeys' Warbler question
Started by worth |
2 Replies
2116 Views |
July 25, 2012, 08:04:30 pm by PRR |
|
|
33 Replies
10874 Views |
July 24, 2012, 10:15:29 pm by baileyblues |
|
|
|
|
6V6 Series Heater Wiring
Started by plexi50 |
22 Replies
8988 Views |
July 24, 2012, 08:28:59 pm by plexi50 |
|
|
|
Old Brand New EL-34's
Started by Ed_Chambley |
4 Replies
2590 Views |
July 24, 2012, 04:48:21 pm by Ed_Chambley |
|
|
|
43 Replies
12078 Views |
July 24, 2012, 11:55:55 am by Tyrannocaster |
|
|
|
|
7 Replies
7269 Views |
July 24, 2012, 11:31:45 am by tubeswell |
|
|
|
|
Question on Biasing a Bogen amp
Started by Seegs |
8 Replies
3815 Views |
July 24, 2012, 09:23:50 am by John |
|
|
|
Wire gauge question
Started by bartman |
4 Replies
2603 Views |
July 24, 2012, 07:13:56 am by archaos |
|
|
|
2 Replies
2538 Views |
July 23, 2012, 09:31:01 pm by SoundmasterG |
|
|
|
|
Am I biasing this right?
Started by Tyrannocaster |
3 Replies
1927 Views |
July 23, 2012, 12:23:09 pm by phsyconoodler |
|
|
|
VVR : bad experience ?
Started by Colas LeGrippa |
4 Replies
2582 Views |
July 23, 2012, 01:06:57 am by The_Gaz |
|
|
|
6l6 vs el34
Started by dscottguitars |
12 Replies
14864 Views |
July 22, 2012, 11:54:16 am by dscottguitars |
|
|
|
Bizarre OPT reaction
Started by Colas LeGrippa |
19 Replies
5628 Views |
July 22, 2012, 10:32:23 am by Colas LeGrippa |
|
|
|
Adding some switchable NFB
Started by Tyrannocaster |
9 Replies
4941 Views |
July 22, 2012, 05:59:36 am by Tyrannocaster |
|
|
|
One input, one jack, Hi/Low?
Started by Tyrannocaster |
17 Replies
8865 Views |
July 22, 2012, 05:55:41 am by Tyrannocaster |
|
|
|
Chassis tips
Started by jeff |
13 Replies
4266 Views |
July 21, 2012, 08:32:25 pm by John |
|
|
|
oh lordy, another bogen hack...
Started by DummyLoad |
7 Replies
3639 Views |
July 21, 2012, 08:27:31 pm by DummyLoad |
|
|
|
6 Replies
2649 Views |
July 21, 2012, 01:55:52 pm by m3moser |
|
|
|
|
Hum when Bass pot is turned up
Started by punkykatt |
5 Replies
3309 Views |
July 21, 2012, 09:54:10 am by punkykatt |
|
|
|
Tube Active Tone Stack??
Started by TIMBO |
9 Replies
13155 Views |
July 21, 2012, 04:51:14 am by kagliostro |
|
|
|
3 Replies
2122 Views |
July 20, 2012, 09:09:23 pm by Willabe |
|
|
|
|
Talk to me about OVERDRIVE
Started by SILVERGUN |
41 Replies
10043 Views |
July 20, 2012, 01:48:09 pm by jojokeo |
|
|
|
1 Replies
1827 Views |
July 20, 2012, 07:31:35 am by Tyrannocaster |
|
|
|
|
4 Replies
2477 Views |
July 19, 2012, 11:48:37 pm by proaudioguy |
|
|
|
|
1996 Hotrod Deluxe Mods / WOWZA!
Started by plexi50 |
28 Replies
10753 Views |
July 19, 2012, 08:23:00 pm by Colas LeGrippa |
|
|
|
Output transformer Impedance.
Started by Underwood |
5 Replies
7875 Views |
July 19, 2012, 06:34:55 pm by Tyrannocaster |
|
|
|
0 Replies
1871 Views |
July 19, 2012, 05:30:35 pm by kagliostro |
|
|
|
|
treble cut on a switch?
Started by Quatro |
11 Replies
4050 Views |
July 19, 2012, 09:13:07 am by thelonious |
|
|
|
Noise from SE EL84 Amp
Started by Platefire |
18 Replies
5944 Views |
July 19, 2012, 02:15:05 am by Platefire |
|
|
|
Need help with fresh build....
Started by SILVERGUN |
26 Replies
6821 Views |
July 18, 2012, 02:34:51 pm by SILVERGUN |
|
|
|
8 Replies
5249 Views |
July 18, 2012, 08:35:32 am by kagliostro |
|
|
|
|
13 Replies
9224 Views |
July 17, 2012, 11:24:48 pm by Quatro |
|
|
|
|
3 Replies
3263 Views |
July 17, 2012, 03:42:00 pm by sluckey |
|
|
|
|
Fender Super Twin Reverb Ugly distortion....
Started by BigE |
2 Replies
2659 Views |
July 17, 2012, 06:12:41 am by LooseChange |
|
|
|
Why do power tubes degrade?
Started by spacelabstudio |
17 Replies
7310 Views |
July 16, 2012, 10:02:32 pm by jjasilli |
|
|
MOVED: UNBELIEVABLE? I say NO!
Started by tubenit |
0 Replies
1763 Views |
July 16, 2012, 05:32:24 pm by tubenit |
|
|
|
Power supply for battery amp
Started by Leevi |
2 Replies
2062 Views |
July 16, 2012, 03:00:37 pm by Leevi |
|
|
|
11 Replies
11379 Views |
July 15, 2012, 09:42:32 pm by Ed_Chambley |
|
|
|
|
Single Ended EL84 Ideas
Started by gtrbryan |
2 Replies
7909 Views |
July 15, 2012, 09:16:54 pm by John |
|
|
|
60hz hum in Ampeg SVP preamp
Started by six el six |
5 Replies
4747 Views |
July 15, 2012, 07:57:37 pm by six el six |
|
|
|
here is my latest build
Started by phsyconoodler |
14 Replies
4084 Views |
July 15, 2012, 06:57:05 pm by stingray_65 |
|
|
|
.1 Cap for presence .
Started by Tone Junkie |
4 Replies
2820 Views |
July 15, 2012, 01:53:03 pm by Tone Junkie |
|
|
|
6AU6 screen fed by voltage divider?
Started by jeff |
17 Replies
7753 Views |
July 14, 2012, 04:23:23 pm by jeff |
|
|
|
7 Replies
5832 Views |
July 14, 2012, 12:18:08 am by m2dad |
|
|
|
|
HAMMOND 1640 SEA
Started by Colas LeGrippa |
8 Replies
3392 Views |
July 13, 2012, 10:35:01 am by Colas LeGrippa |
|
|
|
70's Sonic (pa) Bass amp
Started by bbirling |
4 Replies
2957 Views |
July 12, 2012, 05:19:35 pm by HotBluePlates |
|
|
|
5Y3 rectifiers on a hombrew jcm 800 2204
Started by garyboy |
2 Replies
2418 Views |
July 12, 2012, 01:13:09 pm by garyboy |
|
|
|
5 Replies
3324 Views |
July 12, 2012, 12:36:10 am by olgoat |
|
|
|
|
help needed with pt
Started by Bugman3183 |
16 Replies
5009 Views |
July 11, 2012, 10:26:02 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 |