Antique radios, Old Time Radios

4BQ7A


			Tube type:	Double Triode

Tube ID = 4405


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Identical to	4BQ7A = 4BZ7
Similar Tubes	Heater different: 5BQ7A; 6BQ7A; 6BS8; 6BZ7

Base	Noval, B9A
Filament	Vf 4.2 Volts / If: 0.6 Ampere / -: Indirect /
Tube prices	0 Tube prices (visible for members only)
Literature	Essential Characteristics, GE 1973


	Courtesy Bureau Belper (De Muiderkring, Bussum), Scan Frank Philipse Karel De Reus

mi coleccion
Jose Luis Campayo-Soriano

RTT Schwandt
Günther Stabe

RCA Tube Manual
Peter Hoddow

Usage in Models (calculation each 25th of the month)	8= 1959? ;
Number of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe): 8

No further Information for

4BQ7A

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