Welcome To the Hoffman Amplifiers Forum
September 08, 2026, 03:40:04 pm
Welcome To the Hoffman Amplifiers ForumSeptember 08, 2026, 03:40:04 pm | ||
| Subject / Started by | Replies / Views | Last post  |
||
|---|---|---|---|---|
| HexEnduction and 124 Guests are viewing this board. | ||||
|
|
Dark half-power Hoffman AC30
Started by MORE_Guitar_Solos |
23 Replies
7990 Views |
January 08, 2026, 10:57:44 pmby Big_Mike |
|
|
|
Blues Jr. Rectifier Diode Question.
Started by Thisismyname |
5 Replies
3460 Views |
January 08, 2026, 11:37:40 am by acheld |
|
|
|
2 Replies
2794 Views |
January 06, 2026, 05:55:23 pm by whoops |
|
|
|
|
Benson Monarch Reverb tone switch
Started by Diverted |
2 Replies
2714 Views |
January 06, 2026, 04:39:21 pm by Diverted |
|
|
|
8 Replies
4160 Views |
January 06, 2026, 12:56:45 pm by astronomicum |
|
|
|
|
Dumb biasing question
Started by Lectroid |
8 Replies
4087 Views |
January 06, 2026, 11:03:10 am by shooter |
|
|
|
1 Replies
2603 Views |
January 05, 2026, 12:58:55 pm by pdf64 |
|
|
|
|
7 Replies
4297 Views |
January 04, 2026, 06:00:41 pm by roarshock |
|
|
|
|
8 Replies
3900 Views |
January 04, 2026, 03:16:08 pm by wsscott |
|
|
|
|
7 Replies
3605 Views |
January 03, 2026, 04:32:34 pm by jjasilli |
|
|
|
|
4 Replies
2880 Views |
January 03, 2026, 03:30:24 pm by kagliostro |
|
|
|
|
AC15 clone using Hoffman AC30 layout
Started by Big_Mike |
4 Replies
3987 Views |
January 03, 2026, 11:22:30 am by Big_Mike |
|
|
|
15 Replies
4468 Views |
January 02, 2026, 07:20:07 pm by AlNewman |
|
|
|
|
18watt stout in AO35 chassis
Started by dmp |
20 Replies
7571 Views |
January 02, 2026, 11:50:28 am by Lectroid |
|
|
|
Filmosound 385 tone stack mod question
Started by markmalin |
14 Replies
5023 Views |
January 02, 2026, 09:33:57 am by markmalin |
|
|
|
Vox AC30/6 Tremolo Woes c.1960
Started by misterc57 |
4 Replies
3206 Views |
January 02, 2026, 08:10:51 am by misterc57 |
|
|
30 Replies
20801 Views |
January 01, 2026, 10:28:02 pm by Redwood |
|
|
|
|
Fitting higher value PSU filter caps
Started by Yosser |
6 Replies
3580 Views |
January 01, 2026, 09:13:02 pm by HotBluePlates |
|
|
|
Peavey Mace c.1977 120 Cycle Hum
Started by misterc57 |
0 Replies
2565 Views |
January 01, 2026, 01:21:06 pm by misterc57 |
|
|
|
What to do with a spare 100k pot?
Started by Jennings |
5 Replies
3283 Views |
January 01, 2026, 07:26:21 am by Jennings |
|
|
|
Valco Early Model 1215 Voltages
Started by W5FH |
2 Replies
2786 Views |
December 30, 2025, 06:35:21 pm by W5FH |
|
|
|
9 Replies
3653 Views |
December 30, 2025, 01:52:07 pm by astronomicum |
|
|
|
117 Replies
33359 Views |
December 29, 2025, 07:05:57 pm by waldner |
|
|
|
|
5 Replies
3810 Views |
December 28, 2025, 02:19:18 pm by HotBluePlates |
|
|
|
|
AC15 combo chassis
Started by Big_Mike |
1 Replies
2732 Views |
December 27, 2025, 04:34:52 pm by bmccowan |
|
|
|
5e9 Layout with 12DW7 Reverb
Started by J3ona1 |
18 Replies
4535 Views |
December 27, 2025, 12:38:20 pm by tubeswell |
|
|
|
Tube Bias with a hum after effect
Started by pbman1953 |
1 Replies
2685 Views |
December 27, 2025, 11:50:28 am by tubeswell |
|
|
|
PT safety margin?
Started by Lectroid |
4 Replies
3186 Views |
December 25, 2025, 10:24:50 am by Lectroid |
|
|
|
Pro Junior Hoffman kit
Started by RTL |
8 Replies
3755 Views |
December 24, 2025, 03:47:38 pm by RTL |
|
|
|
8 Replies
3920 Views |
December 24, 2025, 01:39:26 pm by pbman1953 |
|
|
|
|
Not your usual grounding question . . .
Started by acheld |
3 Replies
2877 Views |
December 23, 2025, 02:07:46 pm by acheld |
|
|
|
Important grounding question
Started by chaf87 |
5 Replies
4107 Views |
December 23, 2025, 11:34:21 am by pdf64 |
|
|
|
Very loud amp is now attenuated
Started by newguitarsmell |
7 Replies
3293 Views |
December 23, 2025, 03:28:00 am by Merlin |
|
|
|
Weber Beam Blocker Install
Started by Thisismyname |
6 Replies
3581 Views |
December 21, 2025, 05:32:53 pm by Thisismyname |
|
|
|
5879 Blues Bassman
Started by TIMBO |
22 Replies
7340 Views |
December 21, 2025, 04:37:57 pm by TIMBO |
|
|
|
5 Replies
3335 Views |
December 20, 2025, 02:26:46 pm by mxrshiver |
|
|
|
|
2 Replies
2695 Views |
December 20, 2025, 02:25:51 pm by AngryWalrus |
|
|
|
|
4 Replies
3574 Views |
December 20, 2025, 09:07:01 am by pbman1953 |
|
|
|
|
Input matching
Started by Lectroid |
3 Replies
3506 Views |
December 19, 2025, 10:35:02 am by Lectroid |
|
|
|
8 Replies
3831 Views |
December 18, 2025, 11:10:01 pm by SEL49 |
|
|
|
|
POTS IN BLUES JR
Started by BLUESMAN-2 |
4 Replies
3606 Views |
December 18, 2025, 12:24:30 am by BLUESMAN-2 |
|
|
|
Bootstrapped gain stage questions
Started by hylaphone |
4 Replies
3839 Views |
December 17, 2025, 12:30:07 pm by hylaphone |
|
|
|
Updated Tube Comparison Table
Started by HotBluePlates |
10 Replies
12109 Views |
December 17, 2025, 10:40:48 am by Lectroid |
|
|
|
8 Replies
4255 Views |
December 16, 2025, 04:49:19 pm by burchyk |
|
|
|
|
0 Replies
2779 Views |
December 16, 2025, 11:19:42 am by TubeAmpDegen |
|
|
|
|
15 Replies
7311 Views |
December 16, 2025, 02:25:34 am by maxdissipation |
|
|
|
|
Future Filmosound Project....
Started by Khristophorous |
9 Replies
4456 Views |
December 15, 2025, 12:03:38 pm by bmccowan |
|
|
|
5 Replies
3819 Views |
December 15, 2025, 11:56:13 am by kagliostro |
|
|
|
|
Curious grid voltages, 6HC8 SE build
Started by turbofeedus |
3 Replies
3284 Views |
December 14, 2025, 09:56:14 am by turbofeedus |
|
|
|
Curious grid voltages, 6HC8 SE build
Started by turbofeedus |
1 Replies
3658 Views |
December 13, 2025, 12:09:59 pm by turbofeedus |
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 |