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(!!) (Best Pair) 6S4A RCA NOS 1970's (34ma and 35ma)

(!!) (Best Pair) 6S4A RCA NOS 1970's (34ma and 35ma)

$ 15.99

1 pair) 6S4A RCA NOS 1970's

1 tube) 34ma Gm=5300 

1 tube) 35ma Gm=5400

 

Matched on Amplitrex

Vplate=250V

Vgrid=-8V

Good Ma range 20-25ma

Good Gm range 4000-4500

 

 

(the 6S4A features high plate current at relatively low plate voltages and is capable
of withstanding high pulse voltages)(Vfil=6.3V @ 600ma)
MAX Ratings: Vplate=550V, Iplate=30ma, Pout=8.5 watts
Typical Operation: Vplate=250V, Vgrid=-8V, Iplate=24ma, Mu=16.5, Gm=4500, Rplate=3700 ohms)

 

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