6973 Sylvania gray plate NOS 1970's 

61ma

Gm=5400

Good mA range 35-45mA

Good Gm range 4300+

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