Welcome To the Hoffman Amplifiers Forum
September 06, 2025, 03:09:58 am
Welcome To the Hoffman Amplifiers ForumSeptember 06, 2025, 03:09:58 am | ||
| Subject / Started by | Replies / Views | Last post  |
||
|---|---|---|---|---|
| 0 Members and 25 Guests are viewing this board. | ||||
|
|
ALL-TIME great information
Started by PRR |
0 Replies
25024 Views |
April 16, 2018, 08:09:37 pmby PRR |
|
|
1 Replies
45511 Views |
October 30, 2015, 01:24:25 pm by EL34 |
|
|
|
|
What's this board for?
Started by EL34 |
0 Replies
22306 Views |
May 28, 2009, 04:14:29 pm by EL34 |
|
|
Troubleshooting a new build amp
Started by Wardy |
0 Replies
8 Views |
September 06, 2025, 02:14:52 am by Wardy |
|
|
|
Deluxe 5E3 tone stack
Started by Lectroid |
11 Replies
269 Views |
September 05, 2025, 03:58:17 pm by kagliostro |
|
|
192 Replies
22227 Views |
September 05, 2025, 02:58:10 pm by wsscott |
|
|
|
|
Questions about Rehabilitating a 65 Super Reverb
Started by Dumbmonkey « 1 2 » |
56 Replies
2654 Views |
September 05, 2025, 09:17:00 am by stratomaster |
|
|
|
Classic 50 volume reduction
Started by proaudioguy |
2 Replies
87 Views |
September 04, 2025, 07:33:15 pm by stratomaster |
|
|
|
Bias Wiggle Tremolo with 7591?
Started by dwinstonwood |
4 Replies
253 Views |
September 04, 2025, 12:49:55 pm by dwinstonwood |
|
|
|
Hum and Buzz in Cordovox Build
Started by scstill |
14 Replies
573 Views |
September 04, 2025, 09:40:04 am by scstill |
|
|
|
5879 tube data sheet question
Started by tubenit |
4 Replies
281 Views |
September 04, 2025, 05:34:45 am by HotBluePlates |
|
|
Hiwatt DR103 FX loop
Started by SoundCity85 |
37 Replies
8980 Views |
September 03, 2025, 03:43:24 pm by wavley |
|
|
|
99 Replies
17861 Views |
September 03, 2025, 02:40:02 pm by Sonny ReVerb |
|
|
|
|
3 Replies
216 Views |
September 03, 2025, 11:35:42 am by Bieworm |
|
|
|
|
25 Replies
823 Views |
September 02, 2025, 06:20:08 am by Merlin |
|
|
|
|
Reverb Tone Shifting with Dwell knob
Started by Lectroid |
14 Replies
1335 Views |
September 01, 2025, 02:48:23 pm by stratomaster |
|
|
|
Hum in 5E3
Started by FREYES_7 |
11 Replies
646 Views |
September 01, 2025, 02:33:58 pm by mresistor |
|
|
|
Pre-Amp Anode Voltage Ibanez Thermion
Started by philschl |
3 Replies
221 Views |
September 01, 2025, 06:14:17 am by philschl |
|
|
|
63 Replies
10637 Views |
September 01, 2025, 01:52:26 am by Avraxas |
|
|
|
|
19 Replies
346 Views |
September 01, 2025, 01:25:45 am by Grantorino |
|
|
|
|
What is this, a local NFB ??
Started by kagliostro |
4 Replies
160 Views |
August 31, 2025, 10:40:26 am by kagliostro |
|
|
|
18 Replies
1270 Views |
August 30, 2025, 08:26:31 pm by TIMBO |
|
|
|
|
Resistor identification
Started by 1Ab |
21 Replies
1336 Views |
August 30, 2025, 01:30:46 pm by 1Ab |
|
|
|
5 Replies
472 Views |
August 29, 2025, 10:20:06 pm by stratomaster |
|
|
|
|
21 Replies
748 Views |
August 29, 2025, 01:01:53 pm by kagliostro |
|
|
|
|
Cordovox Conversion
Started by scstill |
10 Replies
993 Views |
August 28, 2025, 11:59:37 pm by rafe |
|
|
|
Cathodyne bias problem
Started by scstill |
2 Replies
111 Views |
August 28, 2025, 05:04:06 pm by scstill |
|
|
|
15 Replies
790 Views |
August 28, 2025, 09:41:21 am by Willabe |
|
|
|
|
20 Replies
3043 Views |
August 28, 2025, 03:33:36 am by tubeswell |
|
|
|
|
22 Replies
835 Views |
August 27, 2025, 01:24:10 pm by Platefire |
|
|
|
|
HR DeVille number two.
Started by Bluebark |
20 Replies
895 Views |
August 27, 2025, 09:11:53 am by Bluebark |
|
|
|
Sound City 120 is in a bad way
Started by Williamblake |
49 Replies
12182 Views |
August 26, 2025, 02:56:11 pm by Williamblake |
|
|
|
12AZ7 as DC Cathode Follower?
Started by dwinstonwood |
3 Replies
159 Views |
August 26, 2025, 11:32:16 am by tubeswell |
|
|
|
Fender Bassman AC568 issue
Started by retrorod |
8 Replies
472 Views |
August 26, 2025, 05:54:29 am by retrorod |
|
|
|
NEW Bass Pre-amp Build HPF/Compressor
Started by Wardy |
23 Replies
3082 Views |
August 26, 2025, 05:23:04 am by Wardy |
|
|
|
Mic Preamp Power Supply Questions
Started by Jonas |
6 Replies
556 Views |
August 25, 2025, 06:58:50 pm by Jonas |
|
|
|
33 Replies
11320 Views |
August 25, 2025, 04:42:10 pm by tubeswell |
|
|
|
|
Bugera 333XL-212 power amp stage problem
Started by Carlito |
6 Replies
660 Views |
August 25, 2025, 09:59:29 am by scstill |
|
|
|
Stand-Alone 5V/3A Filament TX W/CT
Started by dwinstonwood |
4 Replies
311 Views |
August 22, 2025, 02:04:10 pm by dwinstonwood |
|
|
|
19 Replies
1065 Views |
August 21, 2025, 06:00:30 pm by wsscott |
|
|
|
|
8 Replies
564 Views |
August 21, 2025, 04:36:49 pm by Merlin |
|
|
|
|
So I tried the Hybrid Tube/SS rectifier...
Started by Nathan |
4 Replies
464 Views |
August 20, 2025, 09:58:43 am by Nathan |
|
|
|
4 Replies
375 Views |
August 20, 2025, 05:11:11 am by HotBluePlates |
|
|
|
|
Bias high voltage on HR Deville
Started by Bluebark |
8 Replies
503 Views |
August 19, 2025, 12:14:44 pm by shooter |
|
|
|
Vvr and bias switching
Started by Mike-p |
6 Replies
461 Views |
August 18, 2025, 05:48:05 pm by Mike-p |
|
|
|
"popping" Fender Twin Amp '57
Started by Sansteeth |
16 Replies
1942 Views |
August 18, 2025, 07:23:05 am by Sansteeth |
|
|
|
70's Italian amp "Sound Big 10" schematic?
Started by JvR |
19 Replies
4015 Views |
August 16, 2025, 12:31:03 am by isaac_teller |
|
|
|
APD-8025H Color Codes
Started by Richs1979 |
8 Replies
836 Views |
August 15, 2025, 09:15:48 pm by Richs1979 |
|
|
|
12 Replies
999 Views |
August 15, 2025, 04:19:55 pm by DummyLoad |
|
|
|
|
6M5 6EM5 Valves in Push Pull
Started by TIMBO |
15 Replies
1266 Views |
August 13, 2025, 10:55:24 pm by kagliostro |
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 |