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(READ REVIEW) ECL82=6BM8 Pope and Valvo Holland 1960-1966 (2.1/36ma and 2.1/34ma)
(READ REVIEW) JRP-6X4W Raytheon "D" getter low hours/like new 1952 (66/40 and 68/40)
* (read review) 6072 GE 5 star triple mica black plates "O" getter halo 1962
0B2 Hytron NOS 1960's (argon)
0B2 Russian NOS rebranded GE France 1970's (2 in stock)
0B2 Sylvania branded GE 1960's (neon gas) (1 in stock)
6112A GE NOS 1956 (.8ma/1.0ma) (1 tube only)
6BM8 Philips Miniwatt by Valvo Germany used 1961
6SH7 Rauland by RCA metal can NOS 1955 (11ma)
6SH7 RCA metal can NOS (10.3ma)
6SH7 RCA metal can NOS 1955 (10.2ma)
6X4 Allied by Matsushita Japan NOS 1960's (58/40 and 58/40) 1% section balance
6X4 Arcturus by GE NOS "D" getter 1960 (54/40 and 54/40)
6X4 GE Beckman like new "D" getter 1962 (54/40 and 52/40)
6X4 GE Hewlett Packard NOS "D" getter halo 1962 (55/40 and 56/40)
6X4 GE like new 1950's "D" getter (54/40 and 54/40)
6X4 IEC Electron Japan used/tests like new 1960's (60/40 and 62/40)
6X4 International by Matsushita Japan NOS 1960's (55/40 and 56/40)
6X4 National Union "D" getter halo tests like new 1955 (56/40 and 58/40)
6X4 National Union used/good 1951 (55/40 and 56/40)