Welcome To the Hoffman Amplifiers Forum
October 23, 2025, 09:11:31 am
Welcome To the Hoffman Amplifiers ForumOctober 23, 2025, 09:11:31 am | ||
| Subject / Started by | Replies / Views | Last post  |
||
|---|---|---|---|---|
| FREYES_7 and 70 Guests are viewing this board. | ||||
|
|
2203 clone making blown speaker sound
Started by Rp3703 |
6 Replies
2591 Views |
May 10, 2016, 04:59:21 pmby Colas LeGrippa |
|
|
|
RCA Radiola Converted to Guitar amp
Started by jaymez78 |
9 Replies
4232 Views |
May 10, 2016, 03:48:58 pm by Paul1453 |
|
|
|
Crackling tube when warming up
Started by Leevi |
6 Replies
3992 Views |
May 10, 2016, 01:37:56 pm by Paul1453 |
|
|
|
Split Load Idea?
Started by goldstache |
6 Replies
2602 Views |
May 10, 2016, 12:51:00 pm by goldstache |
|
|
|
Arcing output tube
Started by hesamadman |
3 Replies
2531 Views |
May 10, 2016, 10:17:36 am by Jack_Hester |
|
|
|
bias circut
Started by EKDENTON |
14 Replies
3949 Views |
May 09, 2016, 11:20:02 pm by EKDENTON |
|
|
|
2 Replies
2553 Views |
May 09, 2016, 01:55:33 pm by PRR |
|
|
|
|
Layout checkup
Started by arjepsen |
6 Replies
2454 Views |
May 09, 2016, 10:38:47 am by arjepsen |
|
|
52 Replies
13424 Views |
May 09, 2016, 10:10:10 am by Paul1453 |
|
|
|
|
Bootstrapped Cathode Follower with 12DW7?
Started by jbefumo |
8 Replies
4101 Views |
May 08, 2016, 08:31:12 pm by jbefumo |
|
|
|
Lossing master volume blues Jr.
Started by Oddvar |
3 Replies
1805 Views |
May 08, 2016, 10:06:55 am by Oddvar |
|
|
|
Re: Hoffman Plexi50 Turret Board
Started by Rp3703 |
9 Replies
2682 Views |
May 08, 2016, 10:04:04 am by Rp3703 |
|
|
|
High Quality wire
Started by Paul1453 |
15 Replies
4187 Views |
May 08, 2016, 08:00:44 am by Colas LeGrippa |
|
|
Stewart SL-21 Amp [new project]
Started by casssax |
36 Replies
8393 Views |
May 07, 2016, 10:16:39 pm by casssax |
|
|
|
Blues Junior transformer upgrade
Started by Oddvar |
2 Replies
2340 Views |
May 07, 2016, 02:16:00 pm by mresistor |
|
|
|
Power Section Hummmm ....
Started by jbefumo |
20 Replies
4738 Views |
May 07, 2016, 11:52:16 am by jbefumo |
|
|
|
AC30 Turret Board with Reverb.
Started by Popsleigh |
1 Replies
2155 Views |
May 06, 2016, 06:15:42 am by EL34 |
|
|
|
LCR 50-50 uf electrolytic
Started by Oddvar |
1 Replies
1834 Views |
May 06, 2016, 04:05:21 am by DummyLoad |
|
|
|
Hoffman 5E3 12A type jack for Speaker. ?
Started by Ross |
4 Replies
2414 Views |
May 06, 2016, 03:43:28 am by Ross |
|
|
|
Re: Hoffman Plexi50 Turret Board
Started by Hellawatt |
8 Replies
3074 Views |
May 06, 2016, 12:31:51 am by Hellawatt |
|
|
|
16 Replies
4729 Views |
May 05, 2016, 10:14:09 pm by zapped |
|
|
|
|
POWER SUPPLY QUESTION
Started by Colas LeGrippa |
5 Replies
2398 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
3438 Views |
May 05, 2016, 05:03:15 am by Evergreen |
|
|
|
13 Replies
4081 Views |
May 04, 2016, 05:21:08 pm by HotBluePlates |
|
|
|
|
1 Replies
1884 Views |
May 04, 2016, 12:09:41 am by sluckey |
|
|
|
|
Loud hum on 5f6a build
Started by ab764 |
14 Replies
3664 Views |
May 03, 2016, 05:02:23 pm by ab764 |
|
|
|
Old Bassman Cabinet for new Project
Started by basschops1528 |
2 Replies
2376 Views |
May 02, 2016, 08:36:57 pm by Paul1453 |
|
|
|
0 Replies
1668 Views |
May 02, 2016, 12:36:34 pm by hopkinWFG |
|
|
|
|
Lower B+ options
Started by basschops1528 |
4 Replies
2943 Views |
May 02, 2016, 11:54:02 am by HotBluePlates |
|
|
|
7 Replies
2560 Views |
May 02, 2016, 06:53:03 am by smackoj |
|
|
|
|
B+ and plate voltage relationship
Started by TIMBO |
8 Replies
7547 Views |
May 01, 2016, 03:43:47 pm by TIMBO |
|
|
|
40 Replies
7990 Views |
May 01, 2016, 11:33:19 am by sean_thornton |
|
|
|
MOVED: Listening probe questions
Started by Willabe |
0 Replies
1831 Views |
April 30, 2016, 09:25:24 pm by Willabe |
|
|
|
18 watt Hoffman Stout into 30 watt?
Started by Oddvar |
5 Replies
2524 Views |
April 30, 2016, 09:02:32 pm by basschops1528 |
|
|
|
Princeton Reverb Hiss and Hum
Started by dajazzman |
44 Replies
11787 Views |
April 30, 2016, 05:37:35 pm by h4ck.b0x7 |
|
|
|
17 Replies
6664 Views |
April 30, 2016, 01:20:31 pm by Fresh_Start |
|
|
|
|
AB763 White Noise & Hum
Started by h4ck.b0x7 |
43 Replies
12411 Views |
April 29, 2016, 03:42:04 pm by h4ck.b0x7 |
|
|
|
Questions about gage of wire.
Started by makingnoise88 |
20 Replies
6903 Views |
April 29, 2016, 10:31:13 am by HotBluePlates |
|
|
|
Differences between pots
Started by MoparWade |
5 Replies
2516 Views |
April 29, 2016, 12:58:16 am by MoparWade |
|
|
|
Bias shifts after playing
Started by osing |
9 Replies
5978 Views |
April 28, 2016, 02:44:59 pm by Paul1453 |
|
|
|
36 Replies
19456 Views |
April 28, 2016, 02:25:07 pm by Ed_Chambley |
|
|
|
|
1 Replies
2481 Views |
April 28, 2016, 11:22:48 am by shooter |
|
|
|
|
Star Grounding Schemes
Started by turtle441 |
2 Replies
2448 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
8886 Views |
April 28, 2016, 09:12:44 am by casssax |
|
|
|
Blues Junior transformer
Started by chrischris |
7 Replies
2908 Views |
April 28, 2016, 08:09:11 am by chrischris |
|
|
|
Tube amp impedance question
Started by Guitarzan |
14 Replies
5600 Views |
April 27, 2016, 07:13:57 am by Guitarzan |
|
|
|
AB763 Amp Build Problems
Started by h4ck.b0x7 |
11 Replies
2963 Views |
April 27, 2016, 12:23:45 am by h4ck.b0x7 |
|
|
|
1 Replies
3270 Views |
April 26, 2016, 05:06:07 pm by HotBluePlates |
|
|
|
|
53 Replies
14798 Views |
April 26, 2016, 02:41:41 pm by EL34 |
|
|
|
|
Sudden loss of volume in Vibrolux
Started by macula56 |
18 Replies
5288 Views |
April 25, 2016, 07:17:30 am by macula56 |
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 |