Antique radios, Old Time Radios

A9

Country:	France		Brand:	Grammont (Fotos); Malakoff et Paris
			Tube type:	Triode, vacuum Universal

Tube ID = 21624


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Identical to	A9
Similar Tubes	Normally replaceable-slightly different: A410

Base	Europe 4-Pin (A, 4A, B4, since 1914)
Was used by	Radio/TV-reception etc.
Filament	Vf 4 Volts / If: 0.065 Ampere / -: Direct / -: Battery = /
Literature	Babani, International Radio Tube Encyclopaedia

CA
Christian ADAM

Telefunken Werkstattbuch
Wolfgang Bauer

Usage in Models (calculation each 25th of the month)	1= 1927 ;
Number of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe): 1

No further Information for

A9

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