(!!!) 5963=12AU7 RCA "black ribbed plates" and D getter halo 1959 like new (10.6/10.8ma) (12AU7 SUB) 1-2% section balance
(!!) (#1 5963 GE Pair) 5963 GE NOS ribbed plates 1960's - 1970's 1-2% matched
(!!) (#1 5963 GE Single) 5963=12AU7 GE NOS 1960's (11.6/11.8ma)
(!!) (#2 5963 GE Pair) 5963 GE NOS ribbed plates 1960's - 1970's 2-3% matched
(!!) (Best Pair) 5963 GE NOS ribbed plates rebranded Westinghouse mid-1960's (9.2/10.4ma and 9.8/10.2ma) 1-3% matched
(!!) (Best Pair) 5963 GE NOS ribbed plates rebranded Westinghouse mid-1960's (9.8/10ma and 9.8/10ma) 1% matched
(!!) 5963 RCA black ribbed plates" and D getter halo used/very good 1956 era (9.0/10.2ma) (12AU7 SUB)
5963 RCA gray plates used/good (50 in stock) (Beckman/HP/CMC)
5963 RCA gray plates used/good/tested (set of 10 for $39.99) (Beckman/HP/CMC)
5963 RCA Hewlett Packard gray plates tests like new 1961 (10.8/11.0ma) 1-2% section balance
5963 RCA Hewlett Packard gray plates used/good 1960 (8.0/9.2ma)
5963=12AU7 GE rebranded WL5963 Westinghouse 1960's (8.6/8.8ma)
