Please click your language flag. Bitte Sprachflagge klicken.


Information - Help 
ID = 21893
United States of America (USA)
Brand: Common type USA tube/semicond.
Tube type:  Screen-grid Tetrode   UHF 
Identical to 8165 = QB3/200 = 4-65A = E-65A

Base Septar (1+6 pins) Top contact with a cap.
Was used by Transmittertube (Radio)
Filament Vf 6 Volts / If 3.5 Ampere / Direct / Specified voltage AC/DC
Dimensions (WHD)
incl. pins / tip
x 110 x 61 mm / x 4.33 x 2.40 inch
Weight 85 g / 3.00 oz
Information source Tube Lore (II)   p. 125
Universal Vade-Mecum, Electron Valves and Semiconductor Devices

8165_sock.png 8165: Valvo,Senderöhren, 1983
Anonymous 15 Collector

More ...
8165: Valvo,Senderöhren, 1983
Anonymous 15 Collector

More ...

Collection of



You reach this tube or valve page from a search after clicking the "tubes" tab or by clicking a tube on a radio model page. You will find thousands of tubes or valves with interesting links. You even can look up radio models with a certain tube line up. [rmxtube-en]