Welcome To the Hoffman Amplifiers Forum
December 08, 2025, 01:16:43 pm
Welcome To the Hoffman Amplifiers ForumDecember 08, 2025, 01:16:43 pm | ||
| Subject / Started by | Replies / Views | Last post  |
||
|---|---|---|---|---|
| 0 Members and 111 Guests are viewing this board. | ||||
|
|
12 Replies
4651 Views |
December 09, 2019, 06:24:11 amby sluckey |
|
|
|
|
advice on dumble clone
Started by vampwizzard |
4 Replies
2772 Views |
December 08, 2019, 08:40:58 pm by sluckey |
|
|
|
8 Replies
4256 Views |
December 08, 2019, 07:58:46 pm by kagliostro |
|
|
|
|
14 Replies
6745 Views |
December 07, 2019, 06:25:33 pm by jjasilli |
|
|
|
|
Gauge wire on PT
Started by dude |
6 Replies
2332 Views |
December 06, 2019, 07:42:39 pm by dude |
|
|
|
Quick Tremor-lator Question
Started by yorgle |
2 Replies
2070 Views |
December 06, 2019, 01:41:44 pm by yorgle |
|
|
|
Add adjustable bias to Hiwatt DR504
Started by eahudimac |
4 Replies
4707 Views |
December 06, 2019, 10:23:39 am by eahudimac |
|
|
|
Tube reverb project
Started by Colas LeGrippa |
24 Replies
6973 Views |
December 05, 2019, 09:52:52 pm by sluckey |
|
|
|
Lead on cap can smoking and sizzling
Started by dude |
4 Replies
2524 Views |
December 04, 2019, 09:52:23 pm by dude |
|
|
3 channel preamp hum issues
Started by Captain chunkulus « 1 2 3 » |
114 Replies
25390 Views |
December 04, 2019, 01:56:43 pm by Captain chunkulus |
|
|
|
Red-Nek Circuity PortaBuzz B-15
Started by bnwitt |
4 Replies
2336 Views |
December 04, 2019, 01:38:52 pm by RWood |
|
|
|
Vox AC-15 build reverb question
Started by shaun |
10 Replies
4392 Views |
December 04, 2019, 01:16:05 pm by shaun |
|
|
|
9 Replies
7592 Views |
December 04, 2019, 11:38:21 am by kagliostro |
|
|
|
|
2 Replies
2530 Views |
December 03, 2019, 11:16:45 pm by 1blueheron |
|
|
|
|
Lacing turret board and RF interference
Started by mebond11 |
2 Replies
2029 Views |
December 03, 2019, 08:02:08 pm by mebond11 |
|
|
Hoffman AB763 weak tremolo with 6L6GC's
Started by sam |
26 Replies
8147 Views |
December 03, 2019, 05:26:59 pm by sam |
|
|
|
power reduction
Started by isaac_teller |
2 Replies
1920 Views |
December 03, 2019, 10:56:21 am by isaac_teller |
|
|
|
Resistor wattage available
Started by dude |
8 Replies
3142 Views |
December 02, 2019, 08:40:03 pm by PRR |
|
|
|
1990 red knob fender Twin
Started by nandrewjackson |
6 Replies
4435 Views |
December 02, 2019, 07:49:32 pm by nandrewjackson |
|
|
|
Active FX loop for master volume?
Started by Big_Mike |
10 Replies
4665 Views |
December 02, 2019, 11:21:17 am by pdf64 |
|
|
|
11 Replies
3848 Views |
December 02, 2019, 08:35:29 am by sluckey |
|
|
|
|
Vox AC15 Tweed Deluxe hybrid w/ reverb schematic
Started by Opry Audio « 1 2 » |
63 Replies
17154 Views |
December 02, 2019, 01:07:11 am by Greg |
|
|
|
2-ch hybryd ODS/ax84 P1/Superlite 18W
Started by adamG |
36 Replies
11094 Views |
November 28, 2019, 01:15:04 pm by shooter |
|
|
|
Attitube G20
Started by big-ez |
10 Replies
5519 Views |
November 28, 2019, 10:27:20 am by shooter |
|
|
|
Supro 88T Schematic / Power Xfmr Specs
Started by paulcblais |
5 Replies
3642 Views |
November 27, 2019, 07:31:07 pm by DummyLoad |
|
|
|
25 Replies
10638 Views |
November 26, 2019, 06:26:49 pm by kagliostro |
|
|
|
|
AO-43 Conversion schematic needed
Started by shaun |
22 Replies
8793 Views |
November 26, 2019, 04:32:41 pm by jojokeo |
|
|
|
Voltage Doublers.........
Started by Jack_Hester |
20 Replies
9284 Views |
November 26, 2019, 03:04:05 pm by GEO62 |
|
|
|
DSL - Master Volume Mod.. Buzz/Hum
Started by diddymix |
11 Replies
4474 Views |
November 26, 2019, 02:10:35 pm by jojokeo |
|
|
|
'74 Twin Reverb Buzzing
Started by ChubeRules |
3 Replies
2318 Views |
November 26, 2019, 03:47:08 am by pdf64 |
|
|
|
Hammond AO-44 OT ohm range?
Started by MWaldorf |
4 Replies
2138 Views |
November 25, 2019, 02:04:01 pm by MWaldorf |
|
|
|
Hoffman 6v6
Started by Rockranger |
11 Replies
4474 Views |
November 25, 2019, 01:09:32 pm by Rockranger |
|
|
Hoffman amps closing the month of December
Started by EL34 |
1 Replies
2163 Views |
November 25, 2019, 06:25:40 am by EL34 |
|
|
|
Power transformer ratings
Started by Leevi |
3 Replies
2371 Views |
November 25, 2019, 06:00:14 am by kagliostro |
|
|
|
1 Replies
2128 Views |
November 24, 2019, 02:21:21 pm by sluckey |
|
|
|
|
Pro Junior - Hand Wired Mod Difficulty
Started by specialk13 |
12 Replies
5702 Views |
November 24, 2019, 01:58:28 pm by specialk13 |
|
|
|
Another “quick” grounding question😀
Started by daveyajd |
2 Replies
1801 Views |
November 24, 2019, 12:14:18 pm by daveyajd |
|
|
|
QQ about possible transformer ring
Started by munkeyboy |
5 Replies
2451 Views |
November 24, 2019, 10:54:35 am by munkeyboy |
|
|
|
5 Replies
2566 Views |
November 23, 2019, 05:49:53 pm by DummyLoad |
|
|
|
|
peavey 6505+ repair need some help
Started by nonoxxx |
13 Replies
4593 Views |
November 23, 2019, 03:22:07 pm by nonoxxx |
|
|
|
53 Replies
15290 Views |
November 23, 2019, 01:15:38 am by munkeyboy |
|
|
|
|
Trouble with new build... Bassman style
Started by Fiat_cc |
15 Replies
4566 Views |
November 21, 2019, 03:52:24 pm by Fiat_cc |
|
|
|
Hammond marked EL84’s
Started by dude |
22 Replies
6227 Views |
November 21, 2019, 01:56:46 pm by shooter |
|
|
|
2550x Troubleshooting
Started by joe14vf |
5 Replies
2555 Views |
November 21, 2019, 04:25:58 am by joe14vf |
|
|
|
JCM800 Cathode Follower and Vhk ratings
Started by ECV02 |
10 Replies
4518 Views |
November 20, 2019, 12:11:31 pm by pdf64 |
|
|
|
Twin Reverb Distortion
Started by JKRamsey1991 |
4 Replies
2244 Views |
November 20, 2019, 11:38:13 am by pdf64 |
|
|
|
Heater Considerations for new build
Started by Opry Audio |
23 Replies
5364 Views |
November 20, 2019, 08:28:49 am by shooter |
|
|
|
6B4G dedicated heater winding...
Started by Greg |
15 Replies
6063 Views |
November 19, 2019, 08:18:32 am by Greg |
|
|
|
OT Input Impedance Question 5F2A build
Started by AHeck |
12 Replies
4963 Views |
November 18, 2019, 03:10:41 pm by PRR |
|
|
|
Hoffman AB763 troubles
Started by gheorge77 |
13 Replies
3522 Views |
November 18, 2019, 08:05:58 am by gheorge77 |
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 |