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TS-281 Tungsol Balloon NOS engraved base 1930's (60/30) (strongest single - best overall)
**** (!!) (BEST PRICE) 6AK5 US Brands used/good (10 for $19.99)
(*) 12AX7 Tungsol "D" getter used/like new 1954, slightly faded top getter (Gm=1660/1715)
6DG6GT=6W6GT
1.6.21 (!) (Good Value) 6L6GB Tungsol Black Plate used/good 1950's (65ma) (very good Gm)
EM84=6FGG Tungsol Holland 1963 (single)
7236 Sylvania NOS 1962-1963 (73/93ma and 75/94ma) (BEST 5998 SUB)
(READ REVIEW) 5998A Sylvania JAN NOS 1980 (121/118.5ma and 124/112ma) (5998A=7236)
(!!!) JAN-7236 Cetron NOS 1983 (set of 4 single tubes, not a matched quad)
*** 6AW8A RCA NOS 1970 (1 Pair)
6DC6 US Brands used/test like new (0 in stock)
12.17.20 (!!!!) (Recommended Pair) JAN-7236 Cetron NOS 1983 (103/126ma and 109/125ma)
(!!) (#1B BEST 6B4G PAIR) 6B4G Ken Rad coated glass NOS 1940's (91ma and 86ma)
(!!!) (READ REVIEW) 5V4G RCA branded GE NOS 1958 (60/40 and 60/40)
VT-138=JAN-CRC-1629 RCA NOS 1940's very slight glass tilt
6080WB Raytheon black plates NOS 1966 (95/120ma)
(!!) (#1 6073 Pair) 6073=0A2 RCA NOS 1957 (premium 0A2)
3.5.21 (!!!) (Recommended Pair) JAN-7236 Cetron NOS 1983 a few stress cracks in bases (103/117ma and 108/117ma)
421A Western Electric NOS 1984 (read review)
6.27.20 (!!!) (Recommended Pair) 6AK5 RCA gray plate NOS 1964 (8.8/9.0ma)