Welcome To the Hoffman Amplifiers Forum
December 09, 2025, 07:34:24 am
Welcome To the Hoffman Amplifiers ForumDecember 09, 2025, 07:34:24 am | ||
| Subject / Started by | Replies / Views | Last post  |
||
|---|---|---|---|---|
| johncatoline13 and 135 Guests are viewing this board. | ||||
|
|
Power Supply filtering question
Started by schoolie |
8 Replies
7222 Views |
February 01, 2012, 10:23:47 pmby Fresh_Start |
|
|
|
9 Replies
6749 Views |
February 01, 2012, 06:25:06 pm by Willabe |
|
|
|
|
1966 BF Showman Blowing Fuses
Started by rastlr |
3 Replies
3699 Views |
February 01, 2012, 04:45:22 am by thermion |
|
|
|
peavey encore 65
Started by brett |
2 Replies
7998 Views |
January 31, 2012, 09:46:11 pm by brett |
|
|
|
caps in series or parallel
Started by 12AX7 |
5 Replies
4267 Views |
January 31, 2012, 09:29:33 pm by Colas LeGrippa |
|
|
|
9 Replies
5265 Views |
January 31, 2012, 06:19:46 pm by HotBluePlates |
|
|
|
|
Can i use 1/2 watt?
Started by 12AX7 |
11 Replies
5790 Views |
January 31, 2012, 10:49:21 am by 12AX7 |
|
|
NFB necessary in SE amp?
Started by John |
36 Replies
14067 Views |
January 31, 2012, 12:36:35 am by PRR |
|
|
|
New Original Design, any advice welcome
Started by tdvt |
12 Replies
5167 Views |
January 30, 2012, 08:33:57 am by tdvt |
|
|
|
Bassman 70 project
Started by jjackson7 |
20 Replies
8600 Views |
January 30, 2012, 08:33:10 am by jjackson7 |
|
|
MOVED: New project - Rack ReVibe
Started by EL34 |
0 Replies
2148 Views |
January 30, 2012, 05:58:32 am by EL34 |
|
|
|
220 Volt Main Transformer
Started by plexi50 |
5 Replies
3495 Views |
January 29, 2012, 08:39:00 pm by plexi50 |
|
|
|
RCA BA11 / GE 4BA1 Racking Project
Started by RicharD |
1 Replies
3018 Views |
January 29, 2012, 08:08:19 pm by PRR |
|
|
|
Shielding in a head cabinet
Started by six el six |
9 Replies
6191 Views |
January 29, 2012, 07:09:19 pm by six el six |
|
|
|
3 Replies
3278 Views |
January 29, 2012, 02:35:42 pm by kagliostro |
|
|
|
|
Guild Superstar Amplifier
Started by Otis |
1 Replies
3498 Views |
January 29, 2012, 01:15:16 pm by The_Gaz |
|
|
|
2C51/396A as a guitar preamp tube
Started by mls |
6 Replies
7046 Views |
January 29, 2012, 09:36:41 am by HotBluePlates |
|
|
100 Replies
30211 Views |
January 29, 2012, 08:13:10 am by tubenit |
|
|
|
|
low voltages all round
Started by bakerlite |
5 Replies
4172 Views |
January 29, 2012, 03:43:37 am by stratele52 |
|
|
|
6 Replies
5846 Views |
January 28, 2012, 08:58:36 pm by HotBluePlates |
|
|
|
|
7 Replies
6319 Views |
January 28, 2012, 06:19:33 pm by Willabe |
|
|
|
|
13 Replies
7607 Views |
January 28, 2012, 11:05:22 am by kagliostro |
|
|
|
|
5 Replies
3272 Views |
January 28, 2012, 10:01:48 am by Tiny_Daddy |
|
|
|
|
2 Replies
6104 Views |
January 28, 2012, 02:37:22 am by jeff |
|
|
|
|
Eastern Amplifier 6V6, 6LS7, 6X5 potential
Started by SIG |
15 Replies
10576 Views |
January 27, 2012, 05:01:35 pm by SIG |
|
|
|
Hoffman AB763 bias trem- missing cap?
Started by tdvt |
3 Replies
3256 Views |
January 27, 2012, 06:05:35 am by EL34 |
|
|
|
Unknow O.T. Check my maths.
Started by chocopower |
2 Replies
2405 Views |
January 26, 2012, 07:44:31 pm by chocopower |
|
|
|
RE-Vibe for line level use
Started by nateflanigan |
11 Replies
5245 Views |
January 26, 2012, 12:44:57 pm by spacelabstudio |
|
|
|
Epiphone Valve Standard
Started by Tiny_Daddy |
4 Replies
5234 Views |
January 25, 2012, 07:55:33 pm by Tiny_Daddy |
|
|
|
AC30 CCH help
Started by J Rindt |
15 Replies
7361 Views |
January 25, 2012, 05:55:38 pm by kagliostro |
|
|
|
Princeton Head Build
Started by Ed_Chambley |
14 Replies
6749 Views |
January 25, 2012, 03:06:10 pm by Ed_Chambley |
|
|
|
15 Replies
6724 Views |
January 25, 2012, 11:42:41 am by danger-russ |
|
|
|
|
Bias Reading/Adjustment Questions
Started by Platefire |
35 Replies
13526 Views |
January 25, 2012, 01:01:40 am by PRR |
|
|
|
Jensen F12NS field coil speaker in an instrument amp?
Started by chuggy |
1 Replies
4015 Views |
January 24, 2012, 10:34:30 pm by bigsbybender |
|
|
|
Traynor Tonestacks
Started by plexi50 |
5 Replies
3679 Views |
January 24, 2012, 09:24:39 pm by jjasilli |
|
|
|
18 watt PT filament windings
Started by panhead |
15 Replies
7400 Views |
January 24, 2012, 04:42:02 pm by Willabe |
|
|
|
First Build Ideas
Started by jjackson7 |
20 Replies
8343 Views |
January 24, 2012, 10:15:18 am by Willabe |
|
|
|
PLEXI + HOTSWITCH
Started by rzenc |
9 Replies
4101 Views |
January 24, 2012, 06:48:52 am by rzenc |
|
|
|
MOVED: So how's your Friday?
Started by EL34 |
0 Replies
2147 Views |
January 24, 2012, 06:31:33 am by EL34 |
|
|
|
Estimating G2 current
Started by rzenc |
4 Replies
3558 Views |
January 24, 2012, 05:59:23 am by rzenc |
|
|
|
Need some 5f6a build advice, please
Started by schoolie |
19 Replies
8217 Views |
January 24, 2012, 04:44:52 am by steven |
|
|
|
6 Replies
6526 Views |
January 23, 2012, 10:30:09 pm by thelonious |
|
|
|
|
There is an 1/2 12au7 tube ?
Started by kagliostro |
2 Replies
3318 Views |
January 23, 2012, 07:19:57 pm by kagliostro |
|
|
|
Fender's new pawn shop amps...
Started by TubeGeek |
12 Replies
5761 Views |
January 23, 2012, 12:40:02 pm by phsyconoodler |
|
|
|
Power tube substitution.
Started by zapped |
1 Replies
2635 Views |
January 23, 2012, 12:11:37 pm by bigsbybender |
|
|
|
What Causes Radio Interference?
Started by blown240 |
10 Replies
5721 Views |
January 23, 2012, 08:27:15 am by Willabe |
|
|
|
OT question
Started by 12AX7 |
6 Replies
5003 Views |
January 22, 2012, 04:43:24 pm by Willabe |
|
|
|
biasing bogen receiver
Started by embotone |
2 Replies
3416 Views |
January 22, 2012, 11:52:52 am by embotone |
|
|
|
18 Watt Questions
Started by jeff |
23 Replies
12521 Views |
January 22, 2012, 11:31:24 am by Willabe |
|
|
|
Lowering B+
Started by dude |
7 Replies
7642 Views |
January 21, 2012, 02:18:24 pm by stratele52 |
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 |