Welcome To the Hoffman Amplifiers Forum
December 08, 2025, 02:18:34 pm
Welcome To the Hoffman Amplifiers ForumDecember 08, 2025, 02:18:34 pm | ||
| Subject / Started by | Replies / Views | Last post  |
||
|---|---|---|---|---|
| Khristophorous and 87 Guests are viewing this board. | ||||
|
|
Old metal cap cans
Started by dude |
4 Replies
2399 Views |
February 09, 2021, 12:57:17 pmby Latole |
|
|
|
Another amp marketing plan idea.
Started by Mike_J |
19 Replies
5152 Views |
February 09, 2021, 06:21:02 am by SnickSound |
|
|
|
Swap can capacitor for higher value?
Started by proaudioguy |
1 Replies
1903 Views |
February 08, 2021, 05:48:38 pm by bmccowan |
|
|
MOVED: DIY Emission Tube Tester
Started by sluckey |
0 Replies
2176 Views |
February 08, 2021, 11:30:03 am by sluckey |
|
|
|
Nearly complete 3-channel 5F6A project
Started by CascoSieg |
9 Replies
3093 Views |
February 07, 2021, 05:02:46 pm by CascoSieg |
|
|
|
Troubleshooting AB763
Started by acheld |
4 Replies
2429 Views |
February 07, 2021, 01:38:38 pm by Latole |
|
|
53 Replies
11675 Views |
February 07, 2021, 08:15:42 am by shooter |
|
|
|
|
9 Replies
4811 Views |
February 05, 2021, 06:32:12 pm by trobbins |
|
|
|
|
E80CC
Started by SoundCity85 |
9 Replies
4333 Views |
February 05, 2021, 09:46:20 am by HotBluePlates |
|
|
|
Pulling two tubes in a TR
Started by Gone_Fishing |
10 Replies
3344 Views |
February 05, 2021, 09:15:08 am by sluckey |
|
|
|
EL84 Voltages
Started by dbishopbliss |
4 Replies
2845 Views |
February 04, 2021, 09:40:51 pm by HotBluePlates |
|
|
|
2 Replies
2404 Views |
February 04, 2021, 08:11:53 pm by MORE_Guitar_Solos |
|
|
|
|
4 Replies
2462 Views |
February 04, 2021, 08:10:56 pm by Mike_J |
|
|
|
|
5 Replies
2703 Views |
February 04, 2021, 08:02:51 pm by Mike_J |
|
|
|
|
5 Replies
2689 Views |
February 04, 2021, 08:01:52 pm by munkeyboy |
|
|
|
|
13 Replies
4207 Views |
February 04, 2021, 06:38:07 pm by 2deaf |
|
|
|
|
8 Replies
2840 Views |
February 04, 2021, 05:13:30 pm by Gone_Fishing |
|
|
|
|
Upgraded turret board.
Started by Mike_J |
0 Replies
1912 Views |
February 04, 2021, 03:39:17 pm by Mike_J |
|
|
|
10 Replies
3772 Views |
February 04, 2021, 10:54:27 am by 66Strat |
|
|
|
|
14 Replies
5242 Views |
February 04, 2021, 08:48:37 am by PharmRock |
|
|
|
|
Imperial Stout - new build dummy check
Started by burt_toast |
8 Replies
3339 Views |
February 03, 2021, 04:37:50 pm by tubenit |
|
|
|
Motorboating on Channel 3 of my amp.
Started by raza |
4 Replies
2186 Views |
February 03, 2021, 12:01:48 pm by Leevi |
|
|
|
Doug's 5f6a layout for V1a cathode.
Started by Mike_J |
2 Replies
2338 Views |
February 02, 2021, 09:51:15 pm by Mike_J |
|
|
|
1954 Gibson GA-40 tremolo
Started by Diverted |
12 Replies
5368 Views |
February 02, 2021, 05:45:26 pm by bmccowan |
|
|
|
Filmosound OT PT Wire Gauge
Started by jonathan_kea |
1 Replies
2007 Views |
February 02, 2021, 12:30:52 pm by HotBluePlates |
|
|
|
RR763-based build
Started by aon |
4 Replies
3185 Views |
February 02, 2021, 07:37:17 am by jordan86 |
|
|
|
21 Replies
8595 Views |
January 31, 2021, 12:42:26 pm by chrisd |
|
|
|
|
New Build Marshall 1959 Superlead
Started by kwm488 |
12 Replies
8659 Views |
January 31, 2021, 11:59:29 am by sluckey |
|
|
|
13 Replies
9365 Views |
January 31, 2021, 10:37:36 am by mresistor |
|
|
|
|
PP 25L6 amp worth the effort?
Started by munkeyboy |
15 Replies
8636 Views |
January 31, 2021, 08:44:39 am by Steve_P |
|
|
|
Ampeg B12-XT
Started by Big chief |
4 Replies
2606 Views |
January 30, 2021, 10:26:17 am by Big chief |
|
|
|
10 Replies
3663 Views |
January 30, 2021, 05:54:34 am by pdf64 |
|
|
|
|
National Amp 1949
Started by Big chief |
17 Replies
4419 Views |
January 29, 2021, 05:42:33 pm by valcotone |
|
|
|
Blowing Fuses Unless I Use A Variac ??
Started by Lectroid |
1 Replies
2131 Views |
January 29, 2021, 02:27:55 pm by tubeswell |
|
|
|
Loud amp! I need more control.
Started by raza |
5 Replies
2783 Views |
January 29, 2021, 09:09:46 am by SnickSound |
|
|
|
Bandmaster 6G7A grid stoppers
Started by Diverted |
1 Replies
2288 Views |
January 28, 2021, 05:19:11 pm by sluckey |
|
|
|
Power Transformer for Sano B18W
Started by eurekaiv |
12 Replies
3540 Views |
January 28, 2021, 03:41:19 pm by shooter |
|
|
|
Any reason this wouldn't work?
Started by 12AX7 |
24 Replies
7814 Views |
January 28, 2021, 07:10:38 am by Pwurso |
|
|
|
Ampeg Portaflex B12-XY ?s
Started by waldner |
2 Replies
2254 Views |
January 27, 2021, 10:45:04 pm by waldner |
|
|
|
Wards GIM 9171A...circuit analysis?
Started by BrianS |
14 Replies
5077 Views |
January 27, 2021, 07:19:35 pm by sluckey |
|
|
|
Proper 6V6 Bias for 5E3
Started by scstill |
10 Replies
5325 Views |
January 27, 2021, 05:21:39 pm by sluckey |
|
|
|
Ever Tried A Reverse Bright Cap?
Started by jordan86 |
7 Replies
4021 Views |
January 27, 2021, 11:20:06 am by 2deaf |
|
|
|
transformer question S-6424
Started by Bieworm |
3 Replies
2688 Views |
January 26, 2021, 01:41:05 pm by SnickSound |
|
|
|
10 Replies
4348 Views |
January 26, 2021, 12:04:49 pm by tubeswell |
|
|
|
|
Cause of high plate voltage on 12ax7
Started by jordan86 |
23 Replies
6897 Views |
January 26, 2021, 09:50:05 am by jordan86 |
|
|
|
0 Replies
2166 Views |
January 26, 2021, 03:33:38 am by Bieworm |
|
|
|
|
Kustom tube amp not working
Started by gdamato |
13 Replies
4728 Views |
January 25, 2021, 09:41:47 pm by gdamato |
|
|
|
2 Replies
2386 Views |
January 25, 2021, 09:31:11 pm by PRR |
|
|
|
|
Dull/snubber caps in preamp
Started by ampnewbie |
3 Replies
3546 Views |
January 25, 2021, 08:43:42 pm by jojokeo |
|
|
|
Cap replacement question
Started by pbman1953 |
11 Replies
3248 Views |
January 25, 2021, 07:23:45 pm by pbman1953 |
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 |