Welcome To the Hoffman Amplifiers Forum
December 09, 2025, 05:31:29 am
Welcome To the Hoffman Amplifiers ForumDecember 09, 2025, 05:31:29 am | ||
| Subject / Started by | Replies / Views | Last post  |
||
|---|---|---|---|---|
| 0 Members and 131 Guests are viewing this board. | ||||
|
|
5 Replies
3497 Views |
September 30, 2014, 09:57:17 amby kagliostro |
|
|
|
|
200 Watt All Tube Bass Amp
Started by SupLar |
20 Replies
6702 Views |
September 30, 2014, 06:21:38 am by Ritchie200 |
|
|
|
Vol pot and cap in series Question
Started by tubenit |
9 Replies
3609 Views |
September 29, 2014, 08:25:58 pm by tubenit |
|
|
Stromberg-Carlson PA amp
Started by billcreller |
34 Replies
11249 Views |
September 29, 2014, 02:22:01 pm by jjasilli |
|
|
|
Is this wiring right for speaker jacks?
Started by frank57 |
12 Replies
7489 Views |
September 29, 2014, 10:23:57 am by frank57 |
|
|
|
Cathode bypass cap. question
Started by Stankfut |
8 Replies
6820 Views |
September 27, 2014, 07:33:12 pm by shooter |
|
|
|
10 Replies
3769 Views |
September 26, 2014, 07:43:45 pm by Mike_J |
|
|
|
|
5 Replies
4060 Views |
September 26, 2014, 04:21:42 pm by guntherbuffalo |
|
|
|
Smoking 5F1 :help:
Started by toneseeker « 1 2 » |
51 Replies
12315 Views |
September 26, 2014, 01:50:17 pm by Stankfut |
|
|
|
20 Replies
9519 Views |
September 26, 2014, 07:51:29 am by Mike_J |
|
|
|
|
Twist lock capacitor replacement
Started by Stankfut |
18 Replies
5990 Views |
September 25, 2014, 04:02:48 pm by sluckey |
|
|
|
3 Replies
3150 Views |
September 25, 2014, 02:23:32 pm by Mike_J |
|
|
|
|
Re: Split; PT's and heater noise.
Started by HotBluePlates |
11 Replies
4746 Views |
September 25, 2014, 09:00:44 am by Ken Moon |
|
|
|
Plexi rebuild problems
Started by Auke Jolman |
15 Replies
4732 Views |
September 25, 2014, 05:24:25 am by tubenit |
|
|
|
JTM45/800 Stereo Amp Layout
Started by Mike_J |
2 Replies
2201 Views |
September 24, 2014, 08:13:53 pm by Mike_J |
|
|
|
Marshall JMP 2204
Started by Leevi |
8 Replies
4267 Views |
September 23, 2014, 08:17:39 pm by Backwoods Joe |
|
|
|
Resisters on 5f1 build
Started by john_t |
1 Replies
2014 Views |
September 23, 2014, 10:27:40 am by Ed_Chambley |
|
|
|
screen tap ?
Started by shooter |
14 Replies
5468 Views |
September 23, 2014, 08:39:43 am by shooter |
|
|
|
66 Vibrolux Tube "socket"?? related noises
Started by TerryD |
0 Replies
2135 Views |
September 22, 2014, 08:32:39 pm by TerryD |
|
|
|
8 Replies
4982 Views |
September 22, 2014, 11:25:20 am by hesamadman |
|
|
|
|
25 Replies
9506 Views |
September 22, 2014, 11:06:17 am by Mike_J |
|
|
|
|
18 watt Stout & Plexi amp designs
Started by tubenit |
36 Replies
14637 Views |
September 22, 2014, 08:34:05 am by tubenit |
|
|
|
22 Replies
7691 Views |
September 21, 2014, 10:26:25 pm by Mike_J |
|
|
|
|
117 Replies
31521 Views |
September 20, 2014, 05:29:54 pm by P Batty |
|
|
|
|
B+ Drop Question
Started by J Rindt |
38 Replies
11055 Views |
September 19, 2014, 09:12:05 pm by J Rindt |
|
|
|
Blackface CF preamp mods
Started by SILVERGUN |
24 Replies
8938 Views |
September 19, 2014, 05:15:33 pm by SILVERGUN |
|
|
0 Replies
2272 Views |
September 19, 2014, 03:03:51 pm by tubenit |
|
|
|
|
6 Replies
8351 Views |
September 19, 2014, 01:16:41 am by kagliostro |
|
|
|
|
Are there differences in these caps?
Started by hesamadman |
8 Replies
4479 Views |
September 17, 2014, 06:46:11 pm by Willabe |
|
|
|
Pentode as the last stage in the Preamp
Started by sdp1234 |
6 Replies
6434 Views |
September 17, 2014, 12:39:31 pm by HotBluePlates |
|
|
|
228 Replies
68149 Views |
September 17, 2014, 12:14:16 pm by SILVERGUN |
|
|
|
|
Oliver PA-100 Amp.......
Started by Jack_Hester |
16 Replies
6780 Views |
September 17, 2014, 04:42:12 am by Jack_Hester |
|
|
|
Hoffman AC30 - how close to JMI specs?
Started by Big_Mike |
4 Replies
3015 Views |
September 16, 2014, 05:51:50 pm by EL34 |
|
|
|
Octave down effect with tubes
Started by Lauri |
15 Replies
5717 Views |
September 16, 2014, 12:15:30 am by PRR |
|
|
|
Stromberg Carlson AU-29
Started by Guitarzan |
23 Replies
8537 Views |
September 15, 2014, 08:23:37 pm by Guitarzan |
|
|
|
scratchin my head!
Started by shooter |
24 Replies
6636 Views |
September 15, 2014, 07:51:57 pm by shooter |
|
|
|
5 Replies
2941 Views |
September 15, 2014, 01:25:15 pm by tubeswell |
|
|
|
|
3 Replies
2629 Views |
September 14, 2014, 08:36:04 pm by HotBluePlates |
|
|
|
|
TOS Transformers
Started by sdp1234 |
2 Replies
2487 Views |
September 14, 2014, 07:52:24 pm by sdp1234 |
|
|
|
MOVED: 15" speaker
Started by tubenit |
0 Replies
1775 Views |
September 14, 2014, 12:07:58 pm by tubenit |
|
|
|
TOS vs Dmars
Started by sdp1234 |
8 Replies
3118 Views |
September 14, 2014, 11:59:20 am by tubenit |
|
|
|
tonestack wiring
Started by shooter |
8 Replies
4200 Views |
September 13, 2014, 08:40:12 pm by shooter |
|
|
|
New JJ Mid Gain 12AX7
Started by jojokeo |
12 Replies
8401 Views |
September 12, 2014, 11:14:40 pm by PRR |
|
|
|
How old is too old for an electrolytic cap
Started by Mike_J |
13 Replies
5548 Views |
September 12, 2014, 10:14:10 pm by Willabe |
|
|
|
Please help (modify tone control)
Started by hesamadman |
13 Replies
5387 Views |
September 12, 2014, 02:17:02 pm by hesamadman |
|
|
|
MOVED: drawing a schem
Started by EL34 |
0 Replies
1899 Views |
September 12, 2014, 12:26:31 pm by EL34 |
|
|
|
6 Replies
2844 Views |
September 11, 2014, 11:20:15 pm by kwm488 |
|
|
|
|
5 Replies
5637 Views |
September 11, 2014, 12:39:23 pm by Danilewicz |
|
|
|
|
Help needed - MB on the bench
Started by rzenc |
16 Replies
5533 Views |
September 11, 2014, 12:19:38 pm by shooter |
|
|
|
big bottle score!
Started by DummyLoad |
13 Replies
5090 Views |
September 11, 2014, 12:17:16 pm by Ed_Chambley |
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 |