Welcome To the Hoffman Amplifiers Forum
April 26, 2026, 08:37:19 pm
Welcome To the Hoffman Amplifiers ForumApril 26, 2026, 08:37:19 pm | ||
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3 Replies
3595 Views |
May 18, 2016, 10:52:40 pmby sluckey |
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66 Replies
29008 Views |
May 18, 2016, 04:48:17 pm by Paul1453 |
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6 Replies
7470 Views |
May 17, 2016, 06:36:25 pm by sluckey |
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component layout
Started by blues man |
5 Replies
4325 Views |
May 17, 2016, 05:03:57 pm by blues man |
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Bias question
Started by VMS |
19 Replies
13309 Views |
May 17, 2016, 12:12:23 am by PRR |
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Silvertone 1335
Started by mresistor |
30 Replies
12710 Views |
May 16, 2016, 03:05:58 pm by HotBluePlates |
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Birthday amp gone goofy
Started by lego4040 |
49 Replies
15377 Views |
May 16, 2016, 09:00:21 am by lego4040 |
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Power tube surge
Started by rafe |
10 Replies
5842 Views |
May 14, 2016, 07:51:44 pm by rafe |
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5f6a breaking up to soon
Started by Oddvar |
1 Replies
3625 Views |
May 14, 2016, 11:40:25 am by eleventeen |
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Transformerupgrade for Blues Junior to 30w
Started by Oddvar |
14 Replies
8056 Views |
May 14, 2016, 02:14:19 am by Oddvar |
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Fusing and diodes to protect the PT
Started by pnadora |
10 Replies
6237 Views |
May 14, 2016, 01:18:24 am by trobbins |
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mark huss 6v6 schematic question
Started by EKDENTON |
9 Replies
5877 Views |
May 13, 2016, 04:56:52 pm by Paul1453 |
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5E3 V1 Voltages
Started by mayburyds |
8 Replies
5310 Views |
May 13, 2016, 04:49:55 pm by Paul1453 |
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Completed 6G15 Reverbbbbbbbbb
Started by p2pAmps |
14 Replies
6440 Views |
May 13, 2016, 11:43:57 am by tubeswell |
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14 Replies
8545 Views |
May 13, 2016, 11:08:30 am by sluckey |
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1948 2A3 AMPLIFIER
Started by TIMBO |
31 Replies
13463 Views |
May 12, 2016, 03:48:24 pm by mresistor |
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Modify 5F1 to use 6L6
Started by leevc5 |
17 Replies
9244 Views |
May 11, 2016, 03:00:43 pm by mresistor |
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Flip 5F6A layout in Visio?
Started by mresistor |
17 Replies
6399 Views |
May 11, 2016, 02:35:08 pm by mresistor |
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2203 clone making blown speaker sound
Started by Rp3703 |
6 Replies
4337 Views |
May 10, 2016, 04:59:21 pm by Colas LeGrippa |
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RCA Radiola Converted to Guitar amp
Started by jaymez78 |
9 Replies
6427 Views |
May 10, 2016, 03:48:58 pm by Paul1453 |
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Crackling tube when warming up
Started by Leevi |
6 Replies
5952 Views |
May 10, 2016, 01:37:56 pm by Paul1453 |
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Split Load Idea?
Started by goldstache |
6 Replies
4099 Views |
May 10, 2016, 12:51:00 pm by goldstache |
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Arcing output tube
Started by hesamadman |
3 Replies
4199 Views |
May 10, 2016, 10:17:36 am by Jack_Hester |
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bias circut
Started by EKDENTON |
14 Replies
6117 Views |
May 09, 2016, 11:20:02 pm by EKDENTON |
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2 Replies
4147 Views |
May 09, 2016, 01:55:33 pm by PRR |
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Layout checkup
Started by arjepsen |
6 Replies
4407 Views |
May 09, 2016, 10:38:47 am by arjepsen |
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52 Replies
21520 Views |
May 09, 2016, 10:10:10 am by Paul1453 |
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Bootstrapped Cathode Follower with 12DW7?
Started by jbefumo |
8 Replies
6582 Views |
May 08, 2016, 08:31:12 pm by jbefumo |
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Lossing master volume blues Jr.
Started by Oddvar |
3 Replies
3297 Views |
May 08, 2016, 10:06:55 am by Oddvar |
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Re: Hoffman Plexi50 Turret Board
Started by Rp3703 |
9 Replies
4346 Views |
May 08, 2016, 10:04:04 am by Rp3703 |
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High Quality wire
Started by Paul1453 |
15 Replies
6307 Views |
May 08, 2016, 08:00:44 am by Colas LeGrippa |
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Stewart SL-21 Amp [new project]
Started by casssax |
36 Replies
11339 Views |
May 07, 2016, 10:16:39 pm by casssax |
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Blues Junior transformer upgrade
Started by Oddvar |
2 Replies
3833 Views |
May 07, 2016, 02:16:00 pm by mresistor |
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Power Section Hummmm ....
Started by jbefumo |
20 Replies
7118 Views |
May 07, 2016, 11:52:16 am by jbefumo |
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AC30 Turret Board with Reverb.
Started by Popsleigh |
1 Replies
3640 Views |
May 06, 2016, 06:15:42 am by EL34 |
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LCR 50-50 uf electrolytic
Started by Oddvar |
1 Replies
3017 Views |
May 06, 2016, 04:05:21 am by DummyLoad |
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Hoffman 5E3 12A type jack for Speaker. ?
Started by Ross |
4 Replies
4321 Views |
May 06, 2016, 03:43:28 am by Ross |
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Re: Hoffman Plexi50 Turret Board
Started by Hellawatt |
8 Replies
5080 Views |
May 06, 2016, 12:31:51 am by Hellawatt |
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16 Replies
6201 Views |
May 05, 2016, 10:14:09 pm by zapped |
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POWER SUPPLY QUESTION
Started by Colas LeGrippa |
5 Replies
4118 Views |
May 05, 2016, 06:55:53 am by Colas LeGrippa |
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Causes of ghost notes and a stubborn Magnatone 421
Started by Evergreen |
7 Replies
5264 Views |
May 05, 2016, 05:03:15 am by Evergreen |
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13 Replies
6252 Views |
May 04, 2016, 05:21:08 pm by HotBluePlates |
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1 Replies
3425 Views |
May 04, 2016, 12:09:41 am by sluckey |
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Loud hum on 5f6a build
Started by ab764 |
14 Replies
5703 Views |
May 03, 2016, 05:02:23 pm by ab764 |
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Old Bassman Cabinet for new Project
Started by basschops1528 |
2 Replies
4669 Views |
May 02, 2016, 08:36:57 pm by Paul1453 |
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0 Replies
3148 Views |
May 02, 2016, 12:36:34 pm by hopkinWFG |
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Lower B+ options
Started by basschops1528 |
4 Replies
4442 Views |
May 02, 2016, 11:54:02 am by HotBluePlates |
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7 Replies
4371 Views |
May 02, 2016, 06:53:03 am by smackoj |
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B+ and plate voltage relationship
Started by TIMBO |
8 Replies
10374 Views |
May 01, 2016, 03:43:47 pm by TIMBO |
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40 Replies
10763 Views |
May 01, 2016, 11:33:19 am by sean_thornton |
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