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