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(!!) (Single) 12AV7 Sylvania black plates O getter NOS 1960's (15.6/14.8ma)
(!!) (SINGLE) 5963=12AU7 RCA NOS 1965 (10.8/13.2ma)
(!!) (SINGLE) 6BM8=ECL82 Valvo Holland used/good 1960 (1.9ma/34ma)
(!!) (Single) 6JS6C Raytheon Japan NOS 1970's (90ma)
(!!) (Single) 6SN7GTB RCA NOS 1958 tilted glass (8.8/9.2ma) (Gm the same)
(!!) (Single) E88CC=6922 Telefunken Germany <> bottom NOS 1969 (10/12.4ma) (mic grade)
(!!) (Single) PCC88=7DJ8 Philips Holland 1973 (9.5/10.6ma)
(!!) (Single) UX-120=20 Radiotron used/60% 1920's (4.8ma)
(!!) (slightly microphonic) 12AX7 Sylvania Zenith black ribbed plates "D" getter NOS/80% 1953 (Gm=1300/1400 and 0.9/1.0ma)
(!!) (sold out) JAN-CRC-808 RCA NOS 1943-1945 (strong output)
(!!) (~ Best Value Pair ~) 56 Sylvania test like new 1940's (5.3ma and 5.5ma)
(!!) (~ Recommended Pair ~) 6JD6 GE branded RCA NOS same date codes (13ma and 14ma)
(!!) 0C3 Sylvania branded GE NOS 1972-1976 (1 Pair)
(!!) 12SN7GT Sylvania Philco chrome top black plates NOS 1956 (8.2/8.4ma)
(!!) 13D3 Brimar UK black plates tests like new 1962 (6.8ma/7.2ma) (similar to 12AU7)
(!!) 1629 RCA NOS 1961 bright eye
(!!) 180C1=0B2 Mullard England NOS (neon)
(!!) 227 National balloon used/good, rattle inside base 1930 era (5.3ma)
(!!) 45 RCA 1940's used/good (22.6ma) (strong Gm)
(!!) 5963=12AU7 RCA NOS 1963 (9.2/9.6ma)