845 RCA – GE General Electric 845 – Cetron 845 – 845 United Electronics Company

RCA 845 tested 100% GBP 600.

GE 845 tested 100% GBP 600.

Cetron 845 tested 100% GBP 750.

United Electronics Company 845 this tube for display only GBP 100.

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Description

The 845 power triode is a radio transmitting valve also used in audio amplifiers with excellent results.  Plate has solid graphite for power dissipation up to 100 Watts.

The 845 tube has a bayonet mount and thoriated filament and it was first released in 1931.

This section shows from left: an RCA 845; a GE General Electric 845; a Cetron and ultimately a rare United Electronics Company.

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