(!!!!) (Best Overall Single) GB-5963=12AU7 Sylvania Gold Brand Gold Pins NOS 1960's (11.2/13.6ma)
(!!) (BEST GE Pair) 5963 GE branded RCA NOS ribbed plates 1978 (12.2/13.0ma and 12.4/13.6ma)
(!!) (BEST GE Pair) 5963 GE branded RCA NOS ribbed plates 1978 (13.0/11.4ma and 12.6/11.4ma)
(!!) (Best Single) USN-CHS-5963=12AU7 Sylvania NOS "D" getter 1959 (10.6/11.8ma)
(!!) (Good Value Single 1959) 12AU7 Sylvania NOS "D" getter 1959 (8.5/8.0ma)
(!!) (Recommended Pair) 5963 GE branded RCA NOS ribbed plates 1978 (12.0/10.8ma and 12.0/10.8ma)
(!!) (Recommended Pair) 5963=12AU7 Sylvania NOS 1960's (9.8/10ma and 10.8/9.8ma)
(!!) (Single) 5963=12AU7 GE NOS 1981 (9.4/11.4ma)
(!!) (SINGLE) 5963=12AU7 RCA NOS 1965 (10.8/13.2ma)
(!!) 5963=12AU7 RCA NOS 1963 (9.2/9.6ma)
(!) (Single) 5963=12AU7 GE NOS 1960's (11.6/11.8ma)
5963 RCA black ribbed plates" and D getter halo NOS 1957 (sold out - read review)
5963 RCA Hewlett Packard gray plates used/good 1960 (8.0/9.2ma)
