Welcome To the Hoffman Amplifiers Forum
June 09, 2026, 06:41:04 pm
Welcome To the Hoffman Amplifiers ForumJune 09, 2026, 06:41:04 pm | ||
| Subject / Started by | Replies / Views | Last post  |
||
|---|---|---|---|---|
| 0 Members and 19 Guests are viewing this board. | ||||
|
|
Input matching
Started by Lectroid |
3 Replies
2424 Views |
December 19, 2025, 10:35:02 amby Lectroid |
|
|
|
8 Replies
2886 Views |
December 18, 2025, 11:10:01 pm by SEL49 |
|
|
|
|
POTS IN BLUES JR
Started by BLUESMAN-2 |
4 Replies
2572 Views |
December 18, 2025, 12:24:30 am by BLUESMAN-2 |
|
|
|
Bootstrapped gain stage questions
Started by hylaphone |
4 Replies
2797 Views |
December 17, 2025, 12:30:07 pm by hylaphone |
|
|
|
Updated Tube Comparison Table
Started by HotBluePlates |
10 Replies
9868 Views |
December 17, 2025, 10:40:48 am by Lectroid |
|
|
|
8 Replies
3123 Views |
December 16, 2025, 04:49:19 pm by burchyk |
|
|
|
|
0 Replies
2069 Views |
December 16, 2025, 11:19:42 am by TubeAmpDegen |
|
|
|
|
15 Replies
5513 Views |
December 16, 2025, 02:25:34 am by maxdissipation |
|
|
|
|
Future Filmosound Project....
Started by Khristophorous |
9 Replies
3405 Views |
December 15, 2025, 12:03:38 pm by bmccowan |
|
|
|
5 Replies
2945 Views |
December 15, 2025, 11:56:13 am by kagliostro |
|
|
|
|
Curious grid voltages, 6HC8 SE build
Started by turbofeedus |
3 Replies
2367 Views |
December 14, 2025, 09:56:14 am by turbofeedus |
|
|
|
Curious grid voltages, 6HC8 SE build
Started by turbofeedus |
1 Replies
2491 Views |
December 13, 2025, 12:09:59 pm by turbofeedus |
|
|
|
Unmarked tubes ????12a?7
Started by rafe |
7 Replies
2916 Views |
December 12, 2025, 05:10:02 pm by Platefire |
|
|
|
Seeking opinions on strategy
Started by PetePalumbo |
2 Replies
2425 Views |
December 12, 2025, 03:12:50 pm by acheld |
|
|
|
10 Replies
3802 Views |
December 12, 2025, 03:05:58 pm by acheld |
|
|
|
|
Fuse size question
Started by Diverted |
2 Replies
2509 Views |
December 11, 2025, 11:48:55 pm by kagliostro |
|
|
|
5 Replies
5601 Views |
December 11, 2025, 06:05:50 pm by Mypalmurph |
|
|
|
|
6 Replies
2755 Views |
December 07, 2025, 07:15:28 am by pbman1953 |
|
|
|
|
2 questions- Tube values and pot value
Started by pbman1953 |
14 Replies
4695 Views |
December 06, 2025, 08:18:22 am by pbman1953 |
|
|
Carvin Legacy 3 bias issue or design?
Started by EddyMunster « 1 2 » |
76 Replies
13480 Views |
December 05, 2025, 10:16:38 pm by EddyMunster |
|
|
|
58 Replies
20509 Views |
December 05, 2025, 11:52:37 am by scstill |
|
|
|
|
Transistor parts MTP6N60E
Started by dsones |
5 Replies
2890 Views |
December 05, 2025, 11:35:28 am by DummyLoad |
|
|
|
DC-coupled cathodyne and feedback
Started by passaloutre |
16 Replies
4043 Views |
December 05, 2025, 03:56:52 am by tubeswell |
|
|
|
Help with modded SFDR bias circuit
Started by Choan |
1 Replies
2169 Views |
December 04, 2025, 05:34:56 pm by stratomaster |
|
|
|
8 Replies
3804 Views |
December 04, 2025, 01:39:55 pm by Duncan |
|
|
|
|
4 Replies
2614 Views |
December 04, 2025, 11:42:47 am by Sansteeth |
|
|
|
|
2 Replies
2135 Views |
December 03, 2025, 04:13:44 pm by kevin_taylor |
|
|
|
|
6G7A Intermittent Hum
Started by jazjamr |
7 Replies
2746 Views |
December 03, 2025, 03:23:34 pm by jazjamr |
|
|
|
1 Replies
2066 Views |
December 03, 2025, 09:32:04 am by SEL49 |
|
|
|
|
Princeton Reverb turret board dimensions?
Started by fretts |
6 Replies
2588 Views |
December 02, 2025, 01:04:58 pm by tubeswell |
|
|
|
Crate G80Xl schematic
Started by punkykatt |
1 Replies
2068 Views |
December 01, 2025, 04:54:05 pm by punkykatt |
|
|
|
Testing an inductor coil
Started by pbman1953 |
4 Replies
2387 Views |
December 01, 2025, 11:12:59 am by Merlin |
|
|
|
4 Replies
2287 Views |
December 01, 2025, 11:03:54 am by Grantorino |
|
|
|
|
Vox JMI amp voltage selector US wiring?
Started by Jalmeida |
4 Replies
2447 Views |
November 29, 2025, 04:45:57 pm by pdf64 |
|
|
|
Thanksgiving Score
Started by rafe |
0 Replies
2073 Views |
November 29, 2025, 04:08:31 pm by rafe |
|
|
|
marketplace 5f1 what did I buy?
Started by ernest |
14 Replies
3764 Views |
November 29, 2025, 03:31:08 pm by rafe |
|
|
|
6 Replies
2834 Views |
November 29, 2025, 03:14:43 pm by kagliostro |
|
|
|
|
6g2 'tiki-princeton' build
Started by bullkelp |
17 Replies
5398 Views |
November 29, 2025, 02:04:17 pm by owen |
|
|
|
Tricky tremolo question
Started by isaac_teller |
7 Replies
2972 Views |
November 28, 2025, 02:28:00 pm by HotBluePlates |
|
|
|
5 Replies
2574 Views |
November 27, 2025, 08:20:18 am by tubeswell |
|
|
|
|
DR103 Preamp build
Started by hiegdk |
4 Replies
2374 Views |
November 26, 2025, 01:49:10 pm by hiegdk |
|
|
|
14 Replies
3714 Views |
November 26, 2025, 09:42:35 am by mrjomo |
|
|
|
|
“Custom” Vibrolux Reverb- Reverb question
Started by mrjomo |
3 Replies
2141 Views |
November 25, 2025, 08:57:33 pm by stratomaster |
|
|
|
5 Replies
2488 Views |
November 25, 2025, 08:17:12 pm by AlNewman |
|
|
|
|
Zener question
Started by Diverted |
4 Replies
2485 Views |
November 25, 2025, 12:38:09 pm by jjasilli |
|
|
|
KLD DIY Bassman kit: Help!
Started by Koyaanisqatsi |
3 Replies
2160 Views |
November 24, 2025, 08:18:56 pm by AlNewman |
|
|
|
Amplifier Lag - Carlsbro 60 T.C
Started by Grantorino |
1 Replies
1840 Views |
November 22, 2025, 04:39:08 pm by pdf64 |
|
|
|
12 Replies
3402 Views |
November 22, 2025, 09:08:42 am by Grantorino |
|
|
|
|
Ampeg G-212 Series Main Fuses
Started by astronomicum |
3 Replies
2222 Views |
November 21, 2025, 06:04:42 pm by SEL49 |
|
|
|
AB763/6V6Plexi amp kit questions/advice
Started by kreidfl |
16 Replies
7784 Views |
November 19, 2025, 05:01:23 pm by kreidfl |
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 |