Antique radios, Old Time Radios

D-II

Country:	Netherlands	Brand:	Philips; Eindhoven (tubes international!); Netherlands
		Developer:	Philips; Eindhoven (tubes international!); Netherlands
		Tube type:	Triode, vacuum Universal
			<1925 rare.

Tube ID = 22656

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Identical to	D-II = D2 = PR12_Condor = D-II_Ideezet = DHV_Ideezet
First Source (s)	1923 : Saga of the Vacuumtube, Tyne p.418

Base	Europe 4-Pin (A, 4A, B4, since 1914)
Filament	Vf 3.5 Volts / If: 0.5 Ampere / -: Direct / -: Battery = /
Description	Uf=3,5VDC, If=0,5A, Ua=30-75V. Röhren mit dem Aufdruck "Serie" sind zur Heizung mit einem Eisen-Serienwiderstand für 6V-Batterie vorgesehen. Die gleiche Röhre heisst in 1920 und in 1925 und 1926 D2. Sehe D2. Text in other languages (may differ)
Dimensions (WHD) incl. pins / tip	30 x 93 x 28 mm / 1.18 x 3.66 x 1.10 inch
Weight	32 g / 1.13 oz
Tube prices	1 Tube prices (visible for members only)
Literature	- - Manufacturers Literature 1920

D-II: K.K.
Anonymous 719 Collector

Variants

D-II
Peter den Boer

Usage in Models	1= 1923
Number of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe): 1

Variants

own collection
Peter den Boer

D-II*tipless

In 1924/1925 the D II (the - is not a part of the designation) became tipless.

05.Jul.2011 Peter den Boer

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]