6Y6G Arcturus by Tungsol coated glass used/good/70% 1940's (43ma) tested on amplitrex
6Y6G GE 1943 used/good black plate, double filaments, crack in base (56ma) tested on amplitrex
6Y6G GE used/good/75% 1958 (46ma) tested on amplitrex (high Gm)
6Y6G National Union coated glass used/good/75% 1952 (46ma) tested on amplitrex
6Y6G RCA clear glass gray plate NOS 1959 (52ma)
6Y6G Sylvania rebranded Raytheon coated glass used 1953 (45ma) tested on amplitrex
6Y6G Westinghouse coated glass NOS 1940's (50ma) (tested on amplitrex)
6Y6GT GE NOS 1960's (85ma)
6Y6GT RCA NOS 1964 (66ma)
6Y9=EFL200 GE NOS
6Z10=6J10 US Brands (8 in stock)
6Z7G US Brands NOS (5 in stock)
6Z7G used
7014
7015=604L Reliance NOS with 4 spade lugs 1979, some loose glue pieces at bottom of base
7021=714 National NOS in white box
7022
7027A RCA metal base gray plate NOS 1960 (74.2ma)
7036 NOS
7061 US Brands NOS (10 in stock) (Mobile-Rated 12AB5)
