5879 RCA branded Raytheon chrome shield NOS 1970”s (1.7ma)

5879 RCA branded Raytheon chrome shield NOS 1970”s

1.7ma

Gm=800

Tested on Amplitrex

Vplate=250

Vscreen=100V

Vgrid=-3

Good Ma range 1.5-1.8ma

Good Gm range 800-1000

– Divided by 13 RSA 31 amp
– Divided by 13 JRT 9/15
– AMPEX 620/621