Welcome To the Hoffman Amplifiers Forum
January 24, 2026, 11:05:45 am
Welcome To the Hoffman Amplifiers ForumJanuary 24, 2026, 11:05:45 am | ||
| Subject / Started by | Replies / Views | Last post  |
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| 0 Members and 47 Guests are viewing this board. | ||||
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Fusing and diodes to protect the PT
Started by pnadora |
10 Replies
5171 Views |
May 14, 2016, 01:18:24 amby trobbins |
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mark huss 6v6 schematic question
Started by EKDENTON |
9 Replies
4633 Views |
May 13, 2016, 04:56:52 pm by Paul1453 |
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5E3 V1 Voltages
Started by mayburyds |
8 Replies
4275 Views |
May 13, 2016, 04:49:55 pm by Paul1453 |
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Completed 6G15 Reverbbbbbbbbb
Started by p2pAmps |
14 Replies
5345 Views |
May 13, 2016, 11:43:57 am by tubeswell |
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14 Replies
7142 Views |
May 13, 2016, 11:08:30 am by sluckey |
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1948 2A3 AMPLIFIER
Started by TIMBO |
31 Replies
11904 Views |
May 12, 2016, 03:48:24 pm by mresistor |
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Modify 5F1 to use 6L6
Started by leevc5 |
17 Replies
7944 Views |
May 11, 2016, 03:00:43 pm by mresistor |
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Flip 5F6A layout in Visio?
Started by mresistor |
17 Replies
5380 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
3418 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
5323 Views |
May 10, 2016, 03:48:58 pm by Paul1453 |
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Crackling tube when warming up
Started by Leevi |
6 Replies
4947 Views |
May 10, 2016, 01:37:56 pm by Paul1453 |
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Split Load Idea?
Started by goldstache |
6 Replies
3265 Views |
May 10, 2016, 12:51:00 pm by goldstache |
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Arcing output tube
Started by hesamadman |
3 Replies
3312 Views |
May 10, 2016, 10:17:36 am by Jack_Hester |
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bias circut
Started by EKDENTON |
14 Replies
5000 Views |
May 09, 2016, 11:20:02 pm by EKDENTON |
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2 Replies
3250 Views |
May 09, 2016, 01:55:33 pm by PRR |
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Layout checkup
Started by arjepsen |
6 Replies
3323 Views |
May 09, 2016, 10:38:47 am by arjepsen |
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52 Replies
17292 Views |
May 09, 2016, 10:10:10 am by Paul1453 |
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Bootstrapped Cathode Follower with 12DW7?
Started by jbefumo |
8 Replies
5289 Views |
May 08, 2016, 08:31:12 pm by jbefumo |
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Lossing master volume blues Jr.
Started by Oddvar |
3 Replies
2464 Views |
May 08, 2016, 10:06:55 am by Oddvar |
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Re: Hoffman Plexi50 Turret Board
Started by Rp3703 |
9 Replies
3478 Views |
May 08, 2016, 10:04:04 am by Rp3703 |
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High Quality wire
Started by Paul1453 |
15 Replies
5290 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
9994 Views |
May 07, 2016, 10:16:39 pm by casssax |
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Blues Junior transformer upgrade
Started by Oddvar |
2 Replies
3028 Views |
May 07, 2016, 02:16:00 pm by mresistor |
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Power Section Hummmm ....
Started by jbefumo |
20 Replies
5876 Views |
May 07, 2016, 11:52:16 am by jbefumo |
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AC30 Turret Board with Reverb.
Started by Popsleigh |
1 Replies
2824 Views |
May 06, 2016, 06:15:42 am by EL34 |
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LCR 50-50 uf electrolytic
Started by Oddvar |
1 Replies
2337 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
3334 Views |
May 06, 2016, 03:43:28 am by Ross |
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Re: Hoffman Plexi50 Turret Board
Started by Hellawatt |
8 Replies
4041 Views |
May 06, 2016, 12:31:51 am by Hellawatt |
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16 Replies
5561 Views |
May 05, 2016, 10:14:09 pm by zapped |
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POWER SUPPLY QUESTION
Started by Colas LeGrippa |
5 Replies
3208 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
4313 Views |
May 05, 2016, 05:03:15 am by Evergreen |
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13 Replies
5149 Views |
May 04, 2016, 05:21:08 pm by HotBluePlates |
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1 Replies
2592 Views |
May 04, 2016, 12:09:41 am by sluckey |
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Loud hum on 5f6a build
Started by ab764 |
14 Replies
4682 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
3532 Views |
May 02, 2016, 08:36:57 pm by Paul1453 |
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0 Replies
2315 Views |
May 02, 2016, 12:36:34 pm by hopkinWFG |
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Lower B+ options
Started by basschops1528 |
4 Replies
3579 Views |
May 02, 2016, 11:54:02 am by HotBluePlates |
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7 Replies
3367 Views |
May 02, 2016, 06:53:03 am by smackoj |
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B+ and plate voltage relationship
Started by TIMBO |
8 Replies
8737 Views |
May 01, 2016, 03:43:47 pm by TIMBO |
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40 Replies
9452 Views |
May 01, 2016, 11:33:19 am by sean_thornton |
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MOVED: Listening probe questions
Started by Willabe |
0 Replies
2491 Views |
April 30, 2016, 09:25:24 pm by Willabe |
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18 watt Hoffman Stout into 30 watt?
Started by Oddvar |
5 Replies
3295 Views |
April 30, 2016, 09:02:32 pm by basschops1528 |
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Princeton Reverb Hiss and Hum
Started by dajazzman |
44 Replies
14273 Views |
April 30, 2016, 05:37:35 pm by h4ck.b0x7 |
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17 Replies
8073 Views |
April 30, 2016, 01:20:31 pm by Fresh_Start |
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AB763 White Noise & Hum
Started by h4ck.b0x7 |
43 Replies
14403 Views |
April 29, 2016, 03:42:04 pm by h4ck.b0x7 |
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Questions about gage of wire.
Started by makingnoise88 |
20 Replies
8581 Views |
April 29, 2016, 10:31:13 am by HotBluePlates |
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Differences between pots
Started by MoparWade |
5 Replies
3279 Views |
April 29, 2016, 12:58:16 am by MoparWade |
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Bias shifts after playing
Started by osing |
9 Replies
7043 Views |
April 28, 2016, 02:44:59 pm by Paul1453 |
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36 Replies
21602 Views |
April 28, 2016, 02:25:07 pm by Ed_Chambley |
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1 Replies
3190 Views |
April 28, 2016, 11:22:48 am by shooter |
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