Push-pull End power amplifier
Component tuberectifierMJ issue:
WE310 / WE336A / WE-VT52WE274AJun. 1979
EL34 / 801A5R4GYMay 1980
801A / 801AWE422ANov. 1986
56 / 47pp / 4680Mar. 1987
8455R4Aug. 1987
50pp / 50 / DA305R4Jan. 1988
845 / 8455R4Oct. 1989
801A / 211 / 2115R4Dec. 1989
845 / 6C33C-B5R4Mar. 1994
845 / 8455R4Oct. 1998
VV300B / 8455R4Feb. 1999
SV-572-10 / 8455R4Feb. 1999
STC-4212 5R4 Feb. 2004
EIMAC 304TL 5R4Sep. 2004
VT-52 / PX4 RCA83Dec. 2005
6V6 / 845 / 6V6 5U4GMay 2007
300B / 6336A 5R4WGYMay 2008
VT-52B / 6C33C-B 5U4GJuly 2008
300B / VV300B 5U4G Jan. 2013
EL34 / WE205D 5U4G April 2015
PX4 / 2A3 5U4G July 2015
KT88 / 845 5R4WGB Nov. 2016


SE power amplifier
Component tuberectifierMJ issue:
WE293A / RCA505R4GYOct. 1978
DA30pp / WE300B/5083Mar. 1987
RCA50 / RCA5083Oct. 1987
PX4 / PX483Oct. 1987
5691 / EL34274or83Oct. 1988
300B / 300B / 300B274ABook89
WE205F / WE300BWE274ABook89
4P55GZ37Aug. 1992
845 / 84583July 1993
WE300B / WE300B / VV30B83Sep. 1995
845 / 300B5R4Mar. 2000
6SN7 / KT-88GE34May 2005
6F6 / 6G-A4GE34Book 2006
211 & 8455R4Oct. 2008
RCA801A / RCA801A5U4GFeb. 2009
845 / 2115R4Sep. 2009
841 / 2115R4WGBNov. 2009
ML6 / 211 and ML6 / 845 5U4G May 2014
300B / 50 ( 50 / 300B) 5U4G Nov. 2015
845 / 211 ( 211 / 845) 5R4WBG Feb. 2016
6550UL / 300B ( 300B / 6500UL) 5R4WBG Mar. 2017


Parallel SE power amplifier
Component tuberectifierMJ issue:
801A / RCA5083Jan. 1980
WE-VT52 / 45WE274BFeb. 1984
46 / 801A83Apr. 1984
2115R4Jan.2000

Phono preamplifier
Two channels amplifier
Combination phono preamp-power amplifier
Buffer and tone control amplifier
Stereo / Monoral converter

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Introduction
Index of Sakuma's works
Japanese Introduction / Japanese Index

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