Western Electric Reflex Klystron Oscillator Tube Model 431A

Manufacturer: Western Electric

Model Number: 431A

Serial #:

Equipment Description: Reflex Klystron Oscillator Tube

Label Write-up:
Intended for use in the TE 4-GHz radio relay system. It has a small octal base insert modified for a coaxial output lead. Frequency range of 3700-4200 MHz. This tube has a marking of 2765.

Dates Produced: 1950 - 1960s

Original Price:

The museum's inventory number: MRT-1803

Located at Museum in: Tube Display Room