(!!) (Best Pair #1) 6K11=6Q11 GE NOS 1979 (1 pair)
(!!) (Recommended Pair) 6K11=6Q11 GE NOS 1979 (1 pair)
6K11=6Q11 GE branded RCA NOS 1960's (88/60, 92/60, 90/60)
6K11=6Q11 GE branded RCA NOS 1960's (93/60, 97/60, 92/60)
6K11=6Q11 GE branded RCA NOS 1969 (88/60, 92/60, 90/60)
6K11=6Q11 US Brands NOS 1960's (8 in stock)
