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5879 RCA low hours/tests like new 1960's (1.8ma)

$ 9.99

1 tube) 5879 RCA used/like new 1960's

1.8ma

Gm=1000

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

See more: vacuum tube
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