Welcome To the Hoffman Amplifiers Forum
October 23, 2025, 12:57:41 pm
Welcome To the Hoffman Amplifiers ForumOctober 23, 2025, 12:57:41 pm | ||
| Subject / Started by | Replies / Views | Last post  |
||
|---|---|---|---|---|
| 0 Members and 52 Guests are viewing this board. | ||||
|
|
Salvaging a 5c3 "Frankenstein" amp
Started by apwwest59 |
39 Replies
8728 Views |
October 09, 2014, 01:29:51 amby PRR |
|
|
PPIMV with switch?
Started by AZJimC |
4 Replies
2874 Views |
October 07, 2014, 10:33:51 pm by kagliostro |
|
|
|
AB763 trem disconnect
Started by osing |
5 Replies
3000 Views |
October 07, 2014, 08:58:10 pm by osing |
|
|
|
got transformers! What should i build?
Started by mikhett |
6 Replies
2474 Views |
October 07, 2014, 06:16:43 pm by DummyLoad |
|
|
|
Circuit Question
Started by sdp1234 |
5 Replies
2396 Views |
October 07, 2014, 03:35:14 pm by sdp1234 |
|
|
|
Fender brownface hiss
Started by g-man |
10 Replies
3517 Views |
October 07, 2014, 01:26:13 am by AZJimC |
|
|
|
4 Replies
3425 Views |
October 06, 2014, 12:06:01 pm by tubeswell |
|
|
|
|
7 Replies
3787 Views |
October 06, 2014, 07:14:54 am by bakerlite |
|
|
|
|
2 Replies
2777 Views |
October 05, 2014, 10:04:57 pm by HotBluePlates |
|
|
|
|
JTM45 build help - no preamp heaters
Started by klarsen01 |
4 Replies
2445 Views |
October 05, 2014, 08:46:00 pm by DummyLoad |
|
|
0 Replies
1883 Views |
October 05, 2014, 07:38:37 pm by Willabe |
|
|
|
|
20 Replies
4747 Views |
October 04, 2014, 07:01:36 pm by shooter |
|
|
|
|
Rattling power tubes
Started by Leevi |
8 Replies
3140 Views |
October 04, 2014, 02:18:47 am by jeff |
|
|
|
10 Replies
3384 Views |
October 04, 2014, 02:15:07 am by kagliostro |
|
|
|
|
New project - 2204-ish 2x6V6s
Started by Ken Moon |
2 Replies
2112 Views |
October 03, 2014, 09:31:40 pm by TIMBO |
|
|
|
RCA EF86 Says England
Started by Ed_Chambley |
3 Replies
2484 Views |
October 02, 2014, 07:32:14 pm by HotBluePlates |
|
|
|
New build n questions
Started by shooter |
6 Replies
2289 Views |
October 01, 2014, 08:42:55 am by shooter |
|
|
|
5 Replies
3254 Views |
September 30, 2014, 09:57:17 am by kagliostro |
|
|
|
|
200 Watt All Tube Bass Amp
Started by SupLar |
20 Replies
6180 Views |
September 30, 2014, 06:21:38 am by Ritchie200 |
|
|
|
Vol pot and cap in series Question
Started by tubenit |
9 Replies
3286 Views |
September 29, 2014, 08:25:58 pm by tubenit |
|
|
|
Stromberg-Carlson PA amp
Started by billcreller |
34 Replies
10516 Views |
September 29, 2014, 02:22:01 pm by jjasilli |
|
|
|
Is this wiring right for speaker jacks?
Started by frank57 |
12 Replies
7204 Views |
September 29, 2014, 10:23:57 am by frank57 |
|
|
|
Cathode bypass cap. question
Started by Stankfut |
8 Replies
6400 Views |
September 27, 2014, 07:33:12 pm by shooter |
|
|
|
10 Replies
3447 Views |
September 26, 2014, 07:43:45 pm by Mike_J |
|
|
|
|
5 Replies
3788 Views |
September 26, 2014, 04:21:42 pm by guntherbuffalo |
|
|
|
Smoking 5F1 :help:
Started by toneseeker « 1 2 » |
51 Replies
11427 Views |
September 26, 2014, 01:50:17 pm by Stankfut |
|
|
|
20 Replies
8890 Views |
September 26, 2014, 07:51:29 am by Mike_J |
|
|
|
|
Twist lock capacitor replacement
Started by Stankfut |
18 Replies
5649 Views |
September 25, 2014, 04:02:48 pm by sluckey |
|
|
|
3 Replies
2870 Views |
September 25, 2014, 02:23:32 pm by Mike_J |
|
|
|
|
Re: Split; PT's and heater noise.
Started by HotBluePlates |
11 Replies
4374 Views |
September 25, 2014, 09:00:44 am by Ken Moon |
|
|
|
Plexi rebuild problems
Started by Auke Jolman |
15 Replies
4429 Views |
September 25, 2014, 05:24:25 am by tubenit |
|
|
|
JTM45/800 Stereo Amp Layout
Started by Mike_J |
2 Replies
2009 Views |
September 24, 2014, 08:13:53 pm by Mike_J |
|
|
|
Marshall JMP 2204
Started by Leevi |
8 Replies
4024 Views |
September 23, 2014, 08:17:39 pm by Backwoods Joe |
|
|
|
Resisters on 5f1 build
Started by john_t |
1 Replies
1875 Views |
September 23, 2014, 10:27:40 am by Ed_Chambley |
|
|
|
screen tap ?
Started by shooter |
14 Replies
5059 Views |
September 23, 2014, 08:39:43 am by shooter |
|
|
|
66 Vibrolux Tube "socket"?? related noises
Started by TerryD |
0 Replies
1903 Views |
September 22, 2014, 08:32:39 pm by TerryD |
|
|
|
8 Replies
4719 Views |
September 22, 2014, 11:25:20 am by hesamadman |
|
|
|
|
25 Replies
8797 Views |
September 22, 2014, 11:06:17 am by Mike_J |
|
|
|
|
18 watt Stout & Plexi amp designs
Started by tubenit |
36 Replies
13886 Views |
September 22, 2014, 08:34:05 am by tubenit |
|
|
|
22 Replies
7120 Views |
September 21, 2014, 10:26:25 pm by Mike_J |
|
|
|
|
117 Replies
29292 Views |
September 20, 2014, 05:29:54 pm by P Batty |
|
|
|
|
B+ Drop Question
Started by J Rindt |
38 Replies
10295 Views |
September 19, 2014, 09:12:05 pm by J Rindt |
|
|
|
Blackface CF preamp mods
Started by SILVERGUN |
24 Replies
8245 Views |
September 19, 2014, 05:15:33 pm by SILVERGUN |
|
|
|
0 Replies
2111 Views |
September 19, 2014, 03:03:51 pm by tubenit |
|
|
|
|
6 Replies
8083 Views |
September 19, 2014, 01:16:41 am by kagliostro |
|
|
|
|
Are there differences in these caps?
Started by hesamadman |
8 Replies
4164 Views |
September 17, 2014, 06:46:11 pm by Willabe |
|
|
|
Pentode as the last stage in the Preamp
Started by sdp1234 |
6 Replies
6177 Views |
September 17, 2014, 12:39:31 pm by HotBluePlates |
|
|
|
228 Replies
63215 Views |
September 17, 2014, 12:14:16 pm by SILVERGUN |
|
|
|
|
Oliver PA-100 Amp.......
Started by Jack_Hester |
16 Replies
6249 Views |
September 17, 2014, 04:42:12 am by Jack_Hester |
|
|
|
Hoffman AC30 - how close to JMI specs?
Started by Big_Mike |
4 Replies
2832 Views |
September 16, 2014, 05:51:50 pm by EL34 |
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 |