STC 4H/182E Military Transmitting Tetrode Valve CV1883

This is an air cooled STC 4H/182E Military Transmitting Tetrode Valve CV1883 made in England by STC (Standard Telephone Cable).

It is new old stock and still in its original transit box. It is untested and is being sold as a collectible item for display only.

Approximately 14 cm in height and 8.6 cm diameter.

In excellent cosmetic condition, this 8-pin base tetrode was capable of accepting a maximum input of 110MHz. Dates to the 1950s.

Marked:-

STC

CV 1883
4H/182E
Made in England
AM Ref No. 10CV/1883
Military Arrow
Serial No. 157 QY

Specification

Pin Function:-

1. Filament 1
2. Grid 
3. Filament 2
4. Grid 
5. Filament 1
6. Grid
7. Filament 2
   
8. Grid

Shell around the base = Screen grid

Finned Radiator = Anode

• Filament voltage 5V
• Filament current 22.5A
• Max anode voltage 2kV
• Max anode dissipation 330W
• Max anode current 300mA
• Max grid dissipation 20W
  
• Max operating frequency 110MHz

 * At Va=1kV, Vg2=500V, VG1=-30V

A great addition to a collection of vintage tech and militaria.