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1608 RCA white ceramic base tests like new in white box 1940's (32.5ma)

$ 159.99

1 tube) 1608 RCA white ceramic base tests like new in white box 1940's

Vplate=350V, Vgrid=-10V Iplate=32.5ma Gm=5400 (NOS = 36ma) 1937 RCA data sheet

Vplate=425V, Vgrid=-15V Iplate=29.2ma Gm=5100 (NOS = 30ma) 1937 RCA data sheet

 

1608=801 specs with mu raised to 20 versus 801/801A mu = 8

1608 has a 2.5V filament, 801 and 801A has a 7.5V filament

1608: quick heating filament: 2.5V filament @ 2.5amps

 

 

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