6AN8A NOS RCA USA TUBE AMPLITREX 6AN8 TESTED for DYNACO MKIII 1960 EXCEPTIONAL
6AN8A = LOW NOISE 6AN8. ALL ARE ACTUAL Pictures of thisRARE "RCA SUPER AIRLINE" 6AN8A. LOW NOISE 6AN8A. This tube has a VERY HIGH mA/V which is really important to insure a LONG-LIFE of your 6AN8A tubes!