radiomuseum.org
Please click your language flag. Bitte Sprachflagge klicken.

NT68A

Information - Help 
ID = 16107
       
Country:
Great Britain (UK)
Brand: Common type Great Britain tube/semicond.
Tube type:  Transmitting Triode, air cooled   Power/Output 
Identical to NT68A = CV1242 = W1699
Similar Tubes
Normally replaceable-slightly different:
  NT68

Base Europe 4-Pin B4 (Eu A, E, 4A) 1914 (Codex=Eo)
Was used by Transmittertube (Radio)
Filament Vf 4 Volts / If 1 Ampere / Direct
Description

20W anode dissipation, 400V max anode voltage, 3.0mA/V mutual conductance at Va=150V and Vg=0V. Uunderstood to have been made by Mullard

 
Dimensions (WHD)
incl. pins / tip
x 127 x 51 mm / x 5.00 x 2.01 inch
Weight 88 g / 3.10 oz
Information source Taschenbuch zum Röhren-Codex 1948/49   
Babani, International Radio Tube Encyclopaedia   p. 208 & 209
Röhrencodex , Röhren-Taschenbuch 1950 23000 Röhren

do60_6.png NT68A: Manufacturer's Literature
Emilio Ciardiello


Just Qvigstad
cv1242nt68a_1.png
NT68A: Manufacturer's Literature
Emilio Ciardiello

More ...

Collection of

 
nt68a_w1699_p01_s.jpg

NT68A
 

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]
  

Data Compliance More Information