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New Posts Show threads NYAL OTL 1 Julius futterman repair. pennyford
11-2-2024 01:57		   Display thread 8 1-2-2025 19:56  Go to last post
by airheadair
New Posts Show threads Novacron problem rhinohifi714
12-7-2024 08:35		   Display thread 3 12-21-2024 15:19  Go to last post
by Chip647
New Posts Show threads Just how rare is the Havard Electronics H-1 amp? mrflex65
11-8-2024 06:30		   Display thread 5 12-3-2024 08:36  Go to last post
by rhinohifi714
Old Hot Topic Show threads Study of a circlotron with cathode and current feedback cellailuca
10-12-2024 10:05		   Display thread 11 10-18-2024 11:48  Go to last post
by Ralph
Old Topic Show threads Reference 3A NEFES MP
3-15-2024 12:45		   Display thread 8 9-9-2024 08:09  Go to last post
by GEO
Old Topic Show threads Futterman AJ
3-6-2024 06:04		   Display thread 4 8-17-2024 14:39  Go to last post
by Lew
Old Topic Show threads Transcendent Sound OTL Tube747
1-18-2024 17:34		   Display thread 4 3-21-2024 13:44  Go to last post
by ltman
Old Hot Topic Show threads Mystery DIY OTL. Help needed to figure out possible tube compliment pennyford
3-12-2024 17:46		   Display thread 19 3-19-2024 15:55  Go to last post
by pennyford
Old Hot Topic Show threads Futterman H-3 restoration 33dot33rpm
3-4-2024 17:51		   Display thread 24 3-13-2024 14:10  Go to last post
by Ralph
Old Topic Show threads 6AS7G/6N13S sound quality & longevity ?'s tsully1@att.net
1-14-2024 08:37		   Display thread 6 1-16-2024 18:30  Go to last post
by tsully1@att.n
Old Topic Show threads OTL vs. Class D? ltman
12-31-2023 10:09		   Display thread 6 1-12-2024 15:10  Go to last post
by ltman
Old Hot Topic Show threads Excessive DC offset on MP1 Lew
12-22-2023 09:57		   Display thread 14 1-2-2024 09:54  Go to last post
by Lew
Old Hot Topic Show threads Questions about speaker cable characteristic impedance MP
10-2-2023 11:56		   Display thread 11 1-2-2024 06:10  Go to last post
by MP
Old Topic Show threads Bringing up Futterman H3 with OA2 and 5651 tubes ??? rogerh113
12-19-2023 15:35		   Display thread 6 12-21-2023 14:56  Go to last post
by rogerh113
Old Hot Topic Show threads Question on biasing MA-1 with DMM MLin
12-7-2023 20:23		   Display thread 17 12-19-2023 19:02  Go to last post
by Lew
Old Topic Show threads Beveridge OTL amps AJ
3-28-2023 18:33		   Display thread 4 12-7-2023 14:15  Go to last post
by Lew
Old Topic Show threads My 2008 DIY OTL cellailuca
11-16-2023 10:58		   Display thread 2 11-24-2023 10:11  Go to last post
by cellailuca
Old Topic Show threads M-60's with DeVore Speakers rclanger
11-14-2023 08:20		   Display thread 3 11-21-2023 12:25  Go to last post
by Ralph
Old Topic Show threads Luxman MQ-36 repair pennyford
11-13-2023 07:14		   Display thread 2 11-14-2023 14:43  Go to last post
by 6bq5
Old Topic Show threads What is the function of V3 (CCS tube) in Silver Edition MK3.3 MP
9-9-2023 06:53		   Display thread 4 9-11-2023 20:17  Go to last post
by MP
Old Hot Topic Show threads 6SN-7's throwback
12-28-2014 07:18		   Display thread 16 9-9-2023 06:44  Go to last post
by MP
Old Topic Show threads MA-1 standby and tube life Ogh
8-18-2023 05:01		   Display thread 5 8-25-2023 10:23  Go to last post
by Ralph
Old Topic Show threads Luxman MQ-36 Joe Backer
8-11-2023 13:15		   Display thread 6 8-14-2023 17:54  Go to last post
by Joe Backer
Old Hot Topic Show threads Croft Series X info bcarlos
7-17-2023 06:18		   Display thread 21 7-21-2023 08:13  Go to last post
by Ralph
Old Topic Show threads otl amps/speakers and zoebel networks lotsmorebetter1
5-8-2023 18:44		   Display thread 8 5-12-2023 13:56  Go to last post
by Ralph

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