Home » 800=VT-64 RCA DeForest black plate engraved base used/good 1930's (38ma, Gm=1750) (tested on Amplitrex)

800=VT-64 RCA DeForest black plate engraved base used/good 1930's (38ma, Gm=1750) (tested on Amplitrex)

Name: 800=VT-64 RCA DeForest black plate engraved base used/good 1930's (38ma, Gm=1750) (tested on Amplitrex)
Brand: Tube World
SKU: 800
Price: 99.99 USD
Availability: InStock

By Tube World

$ 99.99

1 tube) 800=VT-64 RCA Deforest used/good 1930's charcoal black plate - rectangle flat-foil getter, good getter flash, in white box

38ma

Gm=1750

Good used Ma range 40-45ma

Good Gm = 2000-2100

Vplate=500V

Vgrid=-1V

General Information

Vfil=7.5V @ 3.25A, 35 watts, Vplate max=1250VDC, Mu=15

Introduced in 1933

transmitting triode

See more: vacuum tube

Tags: 1930's, 800, De Forest, power tubes, RCA, transmitting triode, VT-64