(!!) 6SN7GTB Raytheon black plates NOS 1960's (7.8/8.2ma)
(!!) 6SN7GTB Sylvania used/75% 1960's (6.0/6.4ma)
(!!) 6V6G RCA NOS rebranded Haltron England 1940's (37.5ma)
(!!) 7N7 Sylvania branded Philco used/good short bottle parallel gray plates 1948 (7.2/7.6ma)
(!!) ECC31=CV1285=6N7G Mullard black plates NOS 1950's (7.4/9.4ma)
(!!) Good Value Pair) E80CC=6085 International and Telefunken Holland gold pins used/good 1964-1971 (5.3/6.0ma and 5.8/6.4ma)
(!!) JRC-12AU7 RCA NOS long gray plates mid-1950's "D" getter (9/11.6ma)
(!!) JTL-5687WA Tungsol bronze plates "O" getter used/good 1958 (30/30.5ma)
(!) (1950's Single) 12AT7WA Sylvania black plates triple mica "D" getter used/good 1950's (6.2/7.0ma)
(!) (Best Pair) 816 RCA NOS 1954 (68/40 and 68/40)
(!) (BEST PRICE) 0B2 RCA used/good 1960's - 1970's (4 tubes for $9.99)
(!) (Best Single) 7N7 Sylvania NOS 1960 era (10.8/11.2ma)
(!) (Best Value) 5Z3G RCA Victor NOS 1940's (48/40 and 49/40)
(!) (BEST VALUE) 6X5GT National Union NOS 1950 era (8 in stock)
(!) (Good Single) 7N7 Sylvania branded GE NOS 1961-1962 (7.5/8.3ma)
(!) (Recommended Pair) 0B2 GE Italy NOS 1977 (argon gas)
(!) (Recommended Pair) 0B2 RCA NOS 1970 (neon gas)
(!) (Recommended Single) 5Z3G FAA RCA NOS 1962 (56/40 and 56/40)
(!) (SINGLE) 7N7 Sylvania TALL BOTTLE branded Hytron parallel black plates chrome top NOS 1952 (6.6/8.3ma)
(!) (SINGLE) 7N7 Sylvania TALL BOTTLE branded Hytron parallel black plates chrome top NOS 1952 - small chip/blemish at top of tube (7.6/7.8ma)
