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(!!) (#1 244A PAIR) USN-CW-244A Western Electric NOS 1952 (4.0ma and 4.3ma)

(!!) (#1 244A PAIR) USN-CW-244A Western Electric NOS 1952 (4.0ma and 4.3ma)

$ 399.99

1 Pair) USN-CW-244A Western Electric NOS ST-14 original boxes 1952

1 tube) 4.3ma Gm=800

1 tube) 4.0ma Gm=800

 

Vplate=120V

Vgrid=-6V

Good Ma = 4ma

Good Gm = 800-900

   

USN=US Navy

CW=control-wave

 

244A is 1st triode with heater type cathode

mu = 10.1

Gm = 1010

Vfil = 2V

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