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(!!) (Recommended Pair) 5879 RCA branded Raytheon NOS 1960's (2.2ma and 2.4ma)

(!!) (Recommended Pair) 5879 RCA branded Raytheon NOS 1960's (2.2ma and 2.4ma)

$ 32.99

1 pair) 5879 RCA branded Raytheon NOS 1960's
1 tube) 2.2ma Gm=1000
1 tube) 2.4ma Gm=1100

 

Matched 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

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