Welcome To the Hoffman Amplifiers Forum
June 09, 2026, 05:24:23 pm
Welcome To the Hoffman Amplifiers ForumJune 09, 2026, 05:24:23 pm | ||
| Subject / Started by | Replies / Views | Last post  |
||
|---|---|---|---|---|
| glass54 and 51 Guests are viewing this board. | ||||
|
|
10 Replies
3807 Views |
January 14, 2026, 06:03:11 pmby markmalin |
|
|
|
|
Traynor DarkHorse 15H Tonestacks
Started by Boots Deville |
6 Replies
8096 Views |
January 14, 2026, 10:25:57 am by severthee |
|
|
|
Ab763 V3 issue
Started by hmontgomery |
11 Replies
2439 Views |
January 13, 2026, 11:00:09 pm by hmontgomery |
|
|
|
2 Replies
1806 Views |
January 13, 2026, 12:27:01 pm by pbman1953 |
|
|
|
NEW Bass Pre-amp Build HPF/Compressor
Started by Wardy |
29 Replies
13542 Views |
January 13, 2026, 03:21:49 am by Wardy |
|
|
|
16 Replies
3681 Views |
January 12, 2026, 08:49:53 pm by smackoj |
|
|
|
|
AC15 clone cathode resistor question
Started by Big_Mike |
9 Replies
2988 Views |
January 12, 2026, 03:32:16 am by Merlin |
|
|
|
5 Replies
2358 Views |
January 11, 2026, 02:43:28 pm by Lectroid |
|
|
|
|
Changing tone stack sanity check
Started by uki |
4 Replies
2205 Views |
January 10, 2026, 01:55:09 pm by SEL49 |
|
|
|
5 Replies
2901 Views |
January 09, 2026, 08:28:43 pm by glass54 |
|
|
|
|
Dark half-power Hoffman AC30
Started by MORE_Guitar_Solos |
23 Replies
6310 Views |
January 08, 2026, 10:57:44 pm by Big_Mike |
|
|
|
Blues Jr. Rectifier Diode Question.
Started by Thisismyname |
5 Replies
2496 Views |
January 08, 2026, 11:37:40 am by acheld |
|
|
|
2 Replies
2036 Views |
January 06, 2026, 05:55:23 pm by whoops |
|
|
|
|
Benson Monarch Reverb tone switch
Started by Diverted |
2 Replies
1956 Views |
January 06, 2026, 04:39:21 pm by Diverted |
|
|
|
8 Replies
3038 Views |
January 06, 2026, 12:56:45 pm by astronomicum |
|
|
|
|
Dumb biasing question
Started by Lectroid |
8 Replies
2990 Views |
January 06, 2026, 11:03:10 am by shooter |
|
|
|
1 Replies
1925 Views |
January 05, 2026, 12:58:55 pm by pdf64 |
|
|
|
|
7 Replies
3191 Views |
January 04, 2026, 06:00:41 pm by roarshock |
|
|
|
|
8 Replies
2841 Views |
January 04, 2026, 03:16:08 pm by wsscott |
|
|
|
|
7 Replies
2534 Views |
January 03, 2026, 04:32:34 pm by jjasilli |
|
|
|
|
4 Replies
2076 Views |
January 03, 2026, 03:30:24 pm by kagliostro |
|
|
|
|
AC15 clone using Hoffman AC30 layout
Started by Big_Mike |
4 Replies
2981 Views |
January 03, 2026, 11:22:30 am by Big_Mike |
|
|
|
15 Replies
3185 Views |
January 02, 2026, 07:20:07 pm by AlNewman |
|
|
|
|
18watt stout in AO35 chassis
Started by dmp |
20 Replies
6225 Views |
January 02, 2026, 11:50:28 am by Lectroid |
|
|
|
Filmosound 385 tone stack mod question
Started by markmalin |
14 Replies
3785 Views |
January 02, 2026, 09:33:57 am by markmalin |
|
|
|
Vox AC30/6 Tremolo Woes c.1960
Started by misterc57 |
4 Replies
2329 Views |
January 02, 2026, 08:10:51 am by misterc57 |
|
|
|
30 Replies
18970 Views |
January 01, 2026, 10:28:02 pm by Redwood |
|
|
|
|
Fitting higher value PSU filter caps
Started by Yosser |
6 Replies
2534 Views |
January 01, 2026, 09:13:02 pm by HotBluePlates |
|
|
|
Peavey Mace c.1977 120 Cycle Hum
Started by misterc57 |
0 Replies
1785 Views |
January 01, 2026, 01:21:06 pm by misterc57 |
|
|
|
What to do with a spare 100k pot?
Started by Jennings |
5 Replies
2379 Views |
January 01, 2026, 07:26:21 am by Jennings |
|
|
|
THE HOWLER
Started by TIMBO |
1 Replies
2583 Views |
December 30, 2025, 08:55:09 pm by TIMBO |
|
|
|
Valco Early Model 1215 Voltages
Started by W5FH |
2 Replies
2097 Views |
December 30, 2025, 06:35:21 pm by W5FH |
|
|
|
9 Replies
2601 Views |
December 30, 2025, 01:52:07 pm by astronomicum |
|
|
|
117 Replies
23898 Views |
December 29, 2025, 07:05:57 pm by waldner |
|
|
|
|
5 Replies
2766 Views |
December 28, 2025, 02:19:18 pm by HotBluePlates |
|
|
|
|
AC15 combo chassis
Started by Big_Mike |
1 Replies
2020 Views |
December 27, 2025, 04:34:52 pm by bmccowan |
|
|
|
5e9 Layout with 12DW7 Reverb
Started by J3ona1 |
18 Replies
3121 Views |
December 27, 2025, 12:38:20 pm by tubeswell |
|
|
|
Tube Bias with a hum after effect
Started by pbman1953 |
1 Replies
2030 Views |
December 27, 2025, 11:50:28 am by tubeswell |
|
|
|
PT safety margin?
Started by Lectroid |
4 Replies
2354 Views |
December 25, 2025, 10:24:50 am by Lectroid |
|
|
|
Pro Junior Hoffman kit
Started by RTL |
8 Replies
2821 Views |
December 24, 2025, 03:47:38 pm by RTL |
|
|
|
8 Replies
2866 Views |
December 24, 2025, 01:39:26 pm by pbman1953 |
|
|
|
|
Not your usual grounding question . . .
Started by acheld |
3 Replies
2126 Views |
December 23, 2025, 02:07:46 pm by acheld |
|
|
|
Important grounding question
Started by chaf87 |
5 Replies
2826 Views |
December 23, 2025, 11:34:21 am by pdf64 |
|
|
|
Very loud amp is now attenuated
Started by newguitarsmell |
7 Replies
2437 Views |
December 23, 2025, 03:28:00 am by Merlin |
|
|
|
Weber Beam Blocker Install
Started by Thisismyname |
6 Replies
2605 Views |
December 21, 2025, 05:32:53 pm by Thisismyname |
|
|
|
5879 Blues Bassman
Started by TIMBO |
22 Replies
5902 Views |
December 21, 2025, 04:37:57 pm by TIMBO |
|
|
|
1968 Fender Vibrochamp AA764 Resto
Started by TIMBO |
11 Replies
3671 Views |
December 21, 2025, 04:28:10 am by TIMBO |
|
|
|
5 Replies
2356 Views |
December 20, 2025, 02:26:46 pm by mxrshiver |
|
|
|
|
2 Replies
1949 Views |
December 20, 2025, 02:25:51 pm by AngryWalrus |
|
|
|
|
4 Replies
2669 Views |
December 20, 2025, 09:07:01 am 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 |