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(!!) (Pair) 6S4A GE NOS 1969-1970 (24.0ma and 25.5ma)

(!!) (Pair) 6S4A GE NOS 1969-1970 (24.0ma and 25.5ma)

By Tube World

$ 19.99

1 pair) 6S4A GE NOS

1 tube) 25.5ma Gm=4700 (1970) (MC)
1 tube) 24.0ma Gm=4400 (1969) (FZ)

 

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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