(!!) (#1 7551 Pair) 7551 RCA black plate branded Motorola NOS 1970's (45.2ma and 46ma)
(!!) (#1 7551 Pair) 7551 RCA black plate branded Motorola NOS 1970's (48ma and 48.2ma)
(!!) (#3 7551 Pair) 7551 RCA black plate branded Motorola NOS 1970's (44ma and 45ma)
(!!) 6K6GT RCA black plate NOS 1973 (39.5ma)
(!) (2nd Best Pair) JAN-6AU6WB Sylvania NOS 1969 (6.5ma and 6.5ma) 1-2% matched
1851 RCA Pentode (sold out)
6AU6WB Sylvania NOS 1968 (7.2ma)
6AU6WC Sylvania NOS 1970-1980 (0 in stock)
6AU6WC=6136 GE NOS 1978-1979 (7.7ma)
6SA7 Ken Rad NOS 1940's (1 in stock)
6SA7 Sylvania NOS 1950's (98/60)
6SA7GT Delco NOS 1940's (101/60)
6SA7GT Delco NOS 1940's (94/50)
6SA7GT GE NOS 1943 (96/60)
6SA7GT National Union NOS 1950 era (100/60)
6SA7GT Sylvania NOS 1954 (100/60)
6SA7GTY National Union NOS 1952
6SK7GT Sylvania Coronado used/good 1940's (7.2ma)
6SK7GT Sylvania FM Co. used/good 1940's (8.2ma)
6SK7GT Sylvania used/good 1940's (7.3ma)