OTL Asylum

OTL Asylum

OTL, Output Transformerless Amplifier User Group.

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NYAL OTL 1 Julius futterman repair. - pennyford 01:57:55 11/02/24 (6) Mark Read
Just how rare is the Havard Electronics H-1 amp? - mrflex65 06:30:50 11/08/24 (2) Mark Read
Study of a circlotron with cathode and current feedback - cellailuca 10:05:51 10/12/24 (11) Mark Read
Reference 3A NEFES - MP 12:45:38 03/15/24 (8) Mark Read
Futterman - AJ 06:04:12 03/06/24 (4) Mark Read
Transcendent Sound OTL - Tube747 17:34:38 01/18/24 (4) Mark Read
Mystery DIY OTL. Help needed to figure out possible tube compliment - pennyford 17:46:36 03/12/24 (19) Mark Read
Futterman H-3 restoration - 33dot33rpm 17:51:38 03/04/24 (24) Mark Read
6AS7G/6N13S sound quality & longevity ?'s - tsully1@att.net 08:37:12 01/14/24 (6) Mark Read
OTL vs. Class D? - ltman 10:09:03 12/31/23 (6) Mark Read
Excessive DC offset on MP1 - Lew 09:57:21 12/22/23 (14) Mark Read
Questions about speaker cable characteristic impedance - MP 11:56:15 10/02/23 (11) Mark Read
Bringing up Futterman H3 with OA2 and 5651 tubes ??? - rogerh113 15:35:28 12/19/23 (6) Mark Read
Question on biasing MA-1 with DMM - MLin 20:23:07 12/07/23 (17) Mark Read
Beveridge OTL amps - AJ 18:33:06 03/28/23 (4) Mark Read
My 2008 DIY OTL - cellailuca 10:58:44 11/16/23 (2) Mark Read
M-60's with DeVore Speakers - rclanger 08:20:42 11/14/23 (3) Mark Read
Luxman MQ-36 repair - pennyford 07:14:30 11/13/23 (2) Mark Read
What is the function of V3 (CCS tube) in Silver Edition MK3.3 - MP 06:53:39 09/09/23 (4) Mark Read
6SN-7's - throwback 07:18:11 12/28/14 (16) Mark Read
MA-1 standby and tube life - Ogh 05:01:55 08/18/23 (5) Mark Read
Luxman MQ-36 - Joe Backer 13:15:47 08/11/23 (6) Mark Read
Croft Series X info - bcarlos 06:18:07 07/17/23 (21) Mark Read
otl amps/speakers and zoebel networks - lotsmorebetter1 18:44:01 05/08/23 (8) Mark Read
MP3 phono cascode mod - MP 03:52:37 12/14/22 (10) Mark Read

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