Push-pull phono preamplifier

push-pull phono preamplifier
Component tube	Rectifier	MJ issue:
5691 / 42 / 801A	83	Jan. 1980
5691 / 801App / RCA50	83	Aug. 1980
WE-102D / WE-VT52 / VT-52p p/ PX4	274B	Nov. 1985
12A /12A / 801App / 801A	83	Nov. 1985
5691pp / WE-205Fpp / WE-205F	83	Oct. 1987
5691pp / RCA841pp / WE-300B	WE-274A	Book 1989
5691pp / NL50pp / 845	WE-422A	Jan. 1993
5691 / EL156 / WE-300B	83	Mar. 2002
5691 / 5692 / WE-VT-52 / STC-4300B	GZ37	Aug. 2003

SE phono preamplifier
Component tube	Rectifier	MJ issue:
6ZDH3A / 76 / 76 / 2A3	5R4GY	Aug. 1977
569 1/ WE-311A / RCA50	83	Oct. 1978
5691 / EL34 / KT66	GZ37	Sep. 1979
5691 / EL34	83	Oct. 1988
5691 / RCA50 / RCA50	83	Nov.1991
5691 / EL34 / EL34	GZ37	Aug. 1992
5691pp / WE-264Cpp / 300B	WE-274A	Jan. 1993
6GA4 / VV300 / VV300 / VV300	83	Sep. 1996
5691 / 845 / 845	83	Sep. 1997
5691 / 845 / 845	5R4	Oct. 1998
5691 / 6550A / 845	5R4	Feb. 1999
5692 / CV5112	WE-422	Jan. 2001
5691/ EL156	WE-422	May 2001
5691 / 5691 / WE-300B	WE-422A	Sep. 2001
5691 / 5691	5Z4G	June 2006
ML6 / ML6/ ML6	GZ37	Jan. 2007
6SL7 / 6SN7	-	Jan. 2008
5691 / 841	5R4	April 2009
841 / 450TH	5R4	June 2009
12AT7 / 841 (WE300B : bleeder tube)	5R4	April 2010
5691 / WE-102D (RCA50 : bleeder tube)	WE-249B (866A)	June 2011
6ZDH3A / 6ZP1 / 6GA4 (50CA10 : bleeder tube)	2K13	May 2013
5691 / 6J5 / DA30 + 300B	WE422A	Dec. 2014
841 / 211 (For Crystal Turnover Cartridge)	5R4	Dec. 2017