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(!!!!) (BEST PAIR #1) 6DJ8 Philips by Matshushita JAPAN NOS 1960's (18/19ma and 17.7/18.4ma)
(!!!!) (BEST PAIR #1) 6DJ8 Philips by Matshushita JAPAN NOS 1960's (19.8/18.9ma and 18.2/19.5ma)
(!!!!) (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 #3) 6DJ8 Philips by Matshushita JAPAN NOS 1960's (20.7/18.5ma and 18.2/21.9ma)
(!!!!) (BEST PAIR #4) 6DJ8 Philips by Matshushita JAPAN NOS 1960's (15.9/15.8ma and 14.5/15.5ma)
(!!!!) (Best Single) 12AU7 TEN KOBE JAPAN NOS 1967 (9.8/9.5ma) (same Gm) (rare)
(!!!!) (Read Review) 12AX7A=ECC83 Matsushita Japan NOS rebranded Raytheon NOS 1970 era (Gm=1800/1800 and 1.5/1.3ma) (similar to Mullard)
(!!!) (BEST PAIR) 7247=12DW7 CBS gray ribbed plates NOS 1960 (0.9/8.8ma and 0.9/8.6ma) 1-3% matched
(!) (Best Single) 7247=12DW7 Amperex Globe Logo by Matsushita Japan NOS 1967 similar sound to Mullard (1.5ma and 11.6ma) (High mA and Gm)
(!) (Good Value) 12AX7WXT Sovtek NOS 1990's (Gm=1500/1400 and 0.9/0.8ma)
(!) (slightly microphonic single) 12AU7 Hitachi JAPAN branded IEC Mullard NOS ribbed plates 1968 (9.4/11ma)
(!) 12AU7A Hitachi JAPAN branded Realistic Lifetime NOS ribbed plates 1960 era (9.2/12.2ma)
(slightly microphonic tube) JRC-12AU7 RCA tall black ribbed plates "D" getter halo tests like new 1950's (9.6/10.4ma)
50C-A10 Matsushita (sold out)
6BM8 Philips Miniwatt by Valvo Germany used 1961
6DA5=EM81 Matsushita Japan NOS 1960's (3 in stock)
6X4 Allied by Matsushita Japan NOS 1960's (58/40 and 58/40) 1% section balance
6X4 International by Matsushita Japan NOS 1960's (55/40 and 56/40)
ECH81=6AJ8 Valvo Germany like new 1960 (6.3ma and 10.6ma)
