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(!!!!) (BEST PAIR #2) 6DJ8 Philips by Matshushita JAPAN NOS 1960's (15.7/14.9ma and 15.0/14.2ma)
(!!!!) (BEST PAIR #3) 6DJ8 Philips by Matshushita JAPAN NOS 1960's (18.8/16.3ma and 18.9/17.2ma)
(!!!!) (BEST PAIR #4) 6DJ8 Philips by Matshushita JAPAN NOS 1960's (15.9/15.8ma and 14.5/15.5ma)
(!!!!) (BEST PAIR #3) 6DJ8 Philips by Matshushita JAPAN NOS 1960's (20.7/18.5ma and 18.2/21.9ma)
6ER5 RCA branded GE NOS 1960's (12ma Gm=10,800)
6ER5 Sylvania NOS 1960's faded printing (10.6ma Gm=13,000)
(PAIR) 6ER5 RCA NOS 1960's - 1970's (9.5ma and 9.2ma)