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

DA4/140

Information - Help 
ID = 47998
       
Country:
Netherlands
Brand: Philips; Eindhoven (tubes international!); Miniwatt
Developer: Philips; Eindhoven (tubes international!); Miniwatt 
Tube type:  Half-Wave Vacuum Rectifier   Power-supply 
Identical to DA4/140
Predecessor Tubes ZG3   ZGIII  
Base Top contact with a cap.
Was used by Transmittertube (Radio)
Filament Vf 8.1 Volts / If 4.5 Ampere / Direct
Description

Special two pin base for filament.

 
Information source -- Collector info (Sammler)   
- - Manufacturers Literature   R375E 10-5-1928, 1927 catalogue
da4-140eng1.png
DA4/140: own collection
Peter den Boer † 2025
More ...
Usage in Models 1= 1934?
Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):1

Collection of

Rudolf Osterkamp (D)
 
philips_da4140.jpg

 
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