Welcome To the Hoffman Amplifiers Forum
October 23, 2025, 02:44:45 am
Welcome To the Hoffman Amplifiers ForumOctober 23, 2025, 02:44:45 am | ||
| Subject / Started by | Replies / Views | Last post  |
||
|---|---|---|---|---|
| 0 Members and 67 Guests are viewing this board. | ||||
|
|
1 Replies
1714 Views |
May 02, 2019, 11:24:56 amby shooter |
|
|
|
|
Stromberg Carlson build- low volume
Started by zapdog |
13 Replies
4011 Views |
May 01, 2019, 08:23:31 pm by zapdog |
|
|
|
Plexi 6V6 build
Started by newguitarsmell |
11 Replies
4443 Views |
May 01, 2019, 07:02:09 pm by Colas LeGrippa |
|
|
|
A few pics of my "Deluxe Lite" Build
Started by Joe6v6 |
2 Replies
2526 Views |
April 30, 2019, 09:17:55 pm by Papa Jim |
|
|
|
Bright Cap on Tone King MkII Imperial?
Started by BobL |
16 Replies
6842 Views |
April 30, 2019, 07:14:27 pm by VMS |
|
|
Twisted idea for Standby Switch?
Started by sluckey |
28 Replies
8537 Views |
April 30, 2019, 09:23:02 am by shooter |
|
|
|
Vibro Champ with harmonic tremolo?
Started by Opry Audio |
15 Replies
5915 Views |
April 30, 2019, 06:25:42 am by kagliostro |
|
|
|
reverb into sound card
Started by isaac_teller |
4 Replies
2391 Views |
April 29, 2019, 11:54:52 pm by isaac_teller |
|
|
|
NFB circuit 5F6A vs JTM45
Started by vampwizzard |
4 Replies
3099 Views |
April 29, 2019, 08:48:09 pm by vampwizzard |
|
|
|
1 Replies
2119 Views |
April 29, 2019, 02:43:10 pm by st |
|
|
|
|
14 Replies
5697 Views |
April 29, 2019, 12:26:51 pm by Tbone55 |
|
|
|
|
Switching on OT input impedance
Started by daveyajd |
5 Replies
3151 Views |
April 28, 2019, 05:18:26 pm by daveyajd |
|
|
|
3 Replies
2638 Views |
April 28, 2019, 08:31:29 am by cboysen |
|
|
|
|
Smal Mil spec SE OT - one question
Started by kagliostro |
6 Replies
3175 Views |
April 28, 2019, 06:46:29 am by kagliostro |
|
|
|
4 Replies
2209 Views |
April 27, 2019, 03:37:52 pm by Tbone55 |
|
|
|
|
8uf vs 10 uf 450v in amp build?
Started by Oddvar |
15 Replies
5445 Views |
April 26, 2019, 03:06:46 pm by shooter |
|
|
|
What is this?
Started by Oddvar |
4 Replies
2180 Views |
April 26, 2019, 10:00:35 am by sluckey |
|
|
|
Some questions about the GU-17
Started by ECV02 |
12 Replies
5958 Views |
April 25, 2019, 03:36:50 pm by kagliostro |
|
|
|
Pilot light
Started by uki |
3 Replies
2634 Views |
April 25, 2019, 07:40:33 am by shooter |
|
|
|
8 Replies
3985 Views |
April 25, 2019, 06:44:49 am by bmccowan |
|
|
|
|
Channel Mixing Resistors
Started by TIMBO |
15 Replies
9050 Views |
April 24, 2019, 05:22:39 pm by tubeswell |
|
|
|
Tube substitution
Started by g-man |
5 Replies
3761 Views |
April 24, 2019, 03:06:20 pm by g-man |
|
|
104 Replies
35111 Views |
April 23, 2019, 02:41:34 pm by PRR |
|
|
|
|
Ground question
Started by Joe6v6 |
11 Replies
4836 Views |
April 23, 2019, 02:38:48 am by st |
|
|
|
5 Replies
5851 Views |
April 22, 2019, 07:08:17 pm by jeff_free69 |
|
|
|
|
23 Replies
7381 Views |
April 22, 2019, 02:56:12 pm by kagliostro |
|
|
|
|
Looking for special shape tube
Started by Colas LeGrippa |
5 Replies
2801 Views |
April 21, 2019, 06:38:14 pm by Colas LeGrippa |
|
|
|
6 Replies
4476 Views |
April 19, 2019, 06:34:09 pm by kagliostro |
|
|
|
|
Another Valve Jr Question
Started by Electron Tornado |
2 Replies
1949 Views |
April 19, 2019, 12:33:52 pm by PRR |
|
|
|
8 Replies
3717 Views |
April 18, 2019, 09:04:33 pm by MakerDP |
|
|
|
|
8 Replies
3646 Views |
April 18, 2019, 07:09:04 pm by BobL |
|
|
|
|
6 Replies
3708 Views |
April 18, 2019, 11:18:45 am by Electron Tornado |
|
|
|
|
5E3 Normal Channel not working
Started by mebond11 |
8 Replies
4053 Views |
April 17, 2019, 04:30:00 pm by mebond11 |
|
|
|
12AU7 output tube
Started by jeff |
22 Replies
20925 Views |
April 17, 2019, 01:13:29 pm by PRR |
|
|
|
18 Replies
6128 Views |
April 17, 2019, 05:54:05 am by ALBATROS1234 |
|
|
|
|
JMP 2204 Build with relay switching
Started by NSB_Chris |
4 Replies
3097 Views |
April 17, 2019, 05:21:20 am by NSB_Chris |
|
|
|
350k pot with tap
Started by Shack |
15 Replies
7893 Views |
April 16, 2019, 07:10:07 pm by MFowler |
|
|
|
Elevated heaters: what not to do.
Started by Colas LeGrippa |
16 Replies
6619 Views |
April 16, 2019, 12:29:22 pm by ALBATROS1234 |
|
|
|
Vox AC30HWH noisy top boost section
Started by defcon.klaxon |
8 Replies
5138 Views |
April 16, 2019, 09:42:44 am by st |
|
|
|
blues jr no reverb
Started by Papa Jim |
17 Replies
5606 Views |
April 15, 2019, 07:27:55 pm by Papa Jim |
|
|
|
6 Replies
6475 Views |
April 15, 2019, 05:03:01 pm by Colas LeGrippa |
|
|
|
|
Body control pot
Started by uki |
11 Replies
5288 Views |
April 15, 2019, 04:17:40 pm by VMS |
|
|
|
16 Replies
6621 Views |
April 15, 2019, 08:14:30 am by sluckey |
|
|
|
|
7 Replies
4190 Views |
April 14, 2019, 08:53:37 pm by keithpop |
|
|
|
|
Blues Jr. Build
Started by dezmoduo |
2 Replies
2106 Views |
April 14, 2019, 07:25:05 pm by Tbone55 |
|
|
|
105 Replies
27228 Views |
April 14, 2019, 11:33:12 am by Bosses |
|
|
|
|
JCM 900 slx bias trim pot
Started by Leevi |
8 Replies
5325 Views |
April 14, 2019, 12:47:29 am by Leevi |
|
|
|
Choke Inductance
Started by TIMBO |
6 Replies
3016 Views |
April 14, 2019, 12:42:56 am by nandrewjackson |
|
|
|
3 Replies
2151 Views |
April 13, 2019, 11:16:15 pm by Tbone55 |
|
|
|
|
heptode amps
Started by theanalogkid |
9 Replies
7127 Views |
April 13, 2019, 10:21:51 am by VMS |
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 |