281A Western Electric like new 1930”s (38ma) 281A Western Electric: 281A Western Electric

281A Western Electric Balloon engraved base like new 1930”s – reboxed

38ma

Gm=1500

Vplate=150V

Vscreen=70V

Vgrid=-60

Moderate Power co-planar grid tetrode

Vplate max = 250V

Iplate max = 45mA

Vfil = 5V @ 1.6A