Welcome To the Hoffman Amplifiers Forum
July 14, 2026, 03:23:56 pm
Welcome To the Hoffman Amplifiers ForumJuly 14, 2026, 03:23:56 pm | ||
| Subject / Started by | Replies / Views | Last post  |
||
|---|---|---|---|---|
| 0 Members and 80 Guests are viewing this board. | ||||
|
|
Stewart SL-21 Amp [new project]
Started by casssax |
36 Replies
12306 Views |
May 07, 2016, 10:16:39 pmby casssax |
|
|
Blues Junior transformer upgrade
Started by Oddvar |
2 Replies
4385 Views |
May 07, 2016, 02:16:00 pm by mresistor |
|
|
|
Power Section Hummmm ....
Started by jbefumo |
20 Replies
8246 Views |
May 07, 2016, 11:52:16 am by jbefumo |
|
|
|
AC30 Turret Board with Reverb.
Started by Popsleigh |
1 Replies
4219 Views |
May 06, 2016, 06:15:42 am by EL34 |
|
|
|
LCR 50-50 uf electrolytic
Started by Oddvar |
1 Replies
3623 Views |
May 06, 2016, 04:05:21 am by DummyLoad |
|
|
|
Hoffman 5E3 12A type jack for Speaker. ?
Started by Ross |
4 Replies
4915 Views |
May 06, 2016, 03:43:28 am by Ross |
|
|
|
Re: Hoffman Plexi50 Turret Board
Started by Hellawatt |
8 Replies
5885 Views |
May 06, 2016, 12:31:51 am by Hellawatt |
|
|
|
16 Replies
6718 Views |
May 05, 2016, 10:14:09 pm by zapped |
|
|
|
|
POWER SUPPLY QUESTION
Started by Colas LeGrippa |
5 Replies
4817 Views |
May 05, 2016, 06:55:53 am by Colas LeGrippa |
|
|
|
Causes of ghost notes and a stubborn Magnatone 421
Started by Evergreen |
7 Replies
5905 Views |
May 05, 2016, 05:03:15 am by Evergreen |
|
|
|
13 Replies
7208 Views |
May 04, 2016, 05:21:08 pm by HotBluePlates |
|
|
|
|
1 Replies
4012 Views |
May 04, 2016, 12:09:41 am by sluckey |
|
|
|
|
Loud hum on 5f6a build
Started by ab764 |
14 Replies
6407 Views |
May 03, 2016, 05:02:23 pm by ab764 |
|
|
|
Old Bassman Cabinet for new Project
Started by basschops1528 |
2 Replies
5318 Views |
May 02, 2016, 08:36:57 pm by Paul1453 |
|
|
|
0 Replies
3708 Views |
May 02, 2016, 12:36:34 pm by hopkinWFG |
|
|
|
|
Lower B+ options
Started by basschops1528 |
4 Replies
5109 Views |
May 02, 2016, 11:54:02 am by HotBluePlates |
|
|
|
7 Replies
4978 Views |
May 02, 2016, 06:53:03 am by smackoj |
|
|
|
|
B+ and plate voltage relationship
Started by TIMBO |
8 Replies
11802 Views |
May 01, 2016, 03:43:47 pm by TIMBO |
|
|
|
40 Replies
11905 Views |
May 01, 2016, 11:33:19 am by sean_thornton |
|
|
|
MOVED: Listening probe questions
Started by Willabe |
0 Replies
3808 Views |
April 30, 2016, 09:25:24 pm by Willabe |
|
|
|
18 watt Hoffman Stout into 30 watt?
Started by Oddvar |
5 Replies
4853 Views |
April 30, 2016, 09:02:32 pm by basschops1528 |
|
|
|
Princeton Reverb Hiss and Hum
Started by dajazzman |
44 Replies
17729 Views |
April 30, 2016, 05:37:35 pm by h4ck.b0x7 |
|
|
|
17 Replies
10503 Views |
April 30, 2016, 01:20:31 pm by Fresh_Start |
|
|
|
|
AB763 White Noise & Hum
Started by h4ck.b0x7 |
43 Replies
17377 Views |
April 29, 2016, 03:42:04 pm by h4ck.b0x7 |
|
|
|
Questions about gage of wire.
Started by makingnoise88 |
20 Replies
11194 Views |
April 29, 2016, 10:31:13 am by HotBluePlates |
|
|
|
Differences between pots
Started by MoparWade |
5 Replies
4750 Views |
April 29, 2016, 12:58:16 am by MoparWade |
|
|
|
Bias shifts after playing
Started by osing |
9 Replies
9044 Views |
April 28, 2016, 02:44:59 pm by Paul1453 |
|
|
|
36 Replies
26806 Views |
April 28, 2016, 02:25:07 pm by Ed_Chambley |
|
|
|
|
1 Replies
4666 Views |
April 28, 2016, 11:22:48 am by shooter |
|
|
|
|
Star Grounding Schemes
Started by turtle441 |
2 Replies
4883 Views |
April 28, 2016, 09:31:44 am by Fresh_Start |
|
|
|
Effects of running 6.3V tubes with 5.5V?
Started by casssax |
10 Replies
11897 Views |
April 28, 2016, 09:12:44 am by casssax |
|
|
|
Blues Junior transformer
Started by chrischris |
7 Replies
5616 Views |
April 28, 2016, 08:09:11 am by chrischris |
|
|
|
Tube amp impedance question
Started by Guitarzan |
14 Replies
8753 Views |
April 27, 2016, 07:13:57 am by Guitarzan |
|
|
|
AB763 Amp Build Problems
Started by h4ck.b0x7 |
11 Replies
5213 Views |
April 27, 2016, 12:23:45 am by h4ck.b0x7 |
|
|
|
1 Replies
5866 Views |
April 26, 2016, 05:06:07 pm by HotBluePlates |
|
|
|
53 Replies
20517 Views |
April 26, 2016, 02:41:41 pm by EL34 |
|
|
|
|
Sudden loss of volume in Vibrolux
Started by macula56 |
18 Replies
8098 Views |
April 25, 2016, 07:17:30 am by macula56 |
|
|
|
11 Replies
6808 Views |
April 24, 2016, 05:39:13 pm by Shack |
|
|
|
|
AC 30 replica
Started by Hargestbatman |
8 Replies
6721 Views |
April 24, 2016, 04:58:01 pm by G._Hoffman |
|
|
|
Wiring power transformer 5e3
Started by Oddvar |
4 Replies
5159 Views |
April 24, 2016, 11:37:47 am by sluckey |
|
|
|
Failing Power supply Cap Question
Started by ncusack |
2 Replies
4385 Views |
April 23, 2016, 06:47:43 am by Colas LeGrippa |
|
|
|
Noise/Distortion from my house
Started by willhugh |
4 Replies
4002 Views |
April 22, 2016, 07:16:26 pm by willhugh |
|
|
|
Bassman AB165 low level noise issue
Started by mresistor |
25 Replies
10450 Views |
April 22, 2016, 06:33:13 pm by mresistor |
|
|
|
MOVED: Flooding down in Texas
Started by tubenit |
0 Replies
4048 Views |
April 21, 2016, 02:16:24 pm by tubenit |
|
|
|
DIY optocoupler
Started by basschops1528 |
2 Replies
5056 Views |
April 21, 2016, 02:02:18 pm by eleventeen |
|
|
|
DSL50 Heater Problems
Started by dpm309 |
3 Replies
3744 Views |
April 20, 2016, 06:31:58 pm by pompeiisneaks |
|
|
|
67 Pro Verb - Sound Check
Started by p2pAmps |
38 Replies
13947 Views |
April 20, 2016, 06:02:19 pm by mresistor |
|
|
|
Kalamazoo Model Two problem
Started by mresistor |
15 Replies
6633 Views |
April 20, 2016, 03:29:43 pm by mresistor |
|
|
|
motorboating ?
Started by shooter |
11 Replies
5204 Views |
April 19, 2016, 08:49:31 pm by shooter |
|
|
|
32 Replies
13181 Views |
April 19, 2016, 04:40:10 pm by Voxacthirtee |
|
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 |