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D12F

Information - Help 
ID = 9997
       
Country:
Netherlands
Brand: Philips; Eindhoven (tubes international!); Miniwatt
Developer: Philips; Eindhoven (tubes international!); Miniwatt 
Tube type:  Vacuum Pentode   RF/IF-Stage 
  Ca. 1925 up to 1945 rare.
Identical to D12F
Similar Tubes
Other shape (e.g. bulb type):
  D2F

Base Acorn 7 pin P7 (Philips only) (Codex=Ay)
Filament Vf 1.4 Volts / If 0.2 Ampere / Direct / Battery =
Description

Die D12F ist eine D2F, aber ohne Handgriff.

 
Information source Taschenbuch zum Röhren-Codex 1948/49   
- - Manufacturers Literature   1942

d12f_sock.png D12F: Tabu Röhren-Codex, 1948
Anonymous 15 Collector

More ...

Just Qvigstad
d2fd12fdata1_1.png
D12F: own collection
Peter den Boer

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Usage in Models 1= 1940??

Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):1

Collection of

 
philips_d12f_bild1.jpg

D12F
 

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