5879 Sylvania branded RCA NOS 1970's (2.5ma)
By Tube World
$ 15.99
5879 Sylvania branded RCA NOS 1970's
2.5ma
Gm=1200
Tested on Amplitrex
Vplate=250
Vscreen=100V
Vgrid=-3
Good Ma range 1.5-1.8ma
Good Gm range 800-1000
recommended for:
- Divided by 13 RSA 31 amp
- Divided by 13 JRT 9/15
- AMPEX 620/621
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