6973 RCA gray plate used/good 1970 era

56.5ma

Gm=4700

Tested on Amplitrex

Good used Ma range = 32-38ma

Good used Gm = 4000

Recommended for

– Oahu White Gold 1624T (1959-1962)
– Seeburg AY 160 with a sfha-4 amp 1961
– Valco/Gretsch Electromatic 1960
– Gretsch 6161 1960”s
– Supro
– Counterpoint SA-5 (modded)
– Rock-Ola Regis 1495 Jukebox 1961
– Fairchild
– CR amps (UK)
– Seeburg 220 Jukebox