Antique radios, Old Time Radios

ER2A7

Country:	United States of America (USA)		Brand:	Raytheon Mfg. Co.; Cambridge, USA (also tubes)
			Tube type:	Pentagrid-Converter (Heptode) Controlling (mu)

Tube ID = 33893


	previous \| next

Identical to	ER2A7 = 2A7

Base	7-Pin-Base U7A = small, old, USA Top contact with a cap
Was used by	Radio/TV-reception etc.
Filament	Vf 2.5 Volts / If: 0.8 Ampere / -: Indirect / -: Parallel, (AC/DC) /

ARRL Handbook 1972
Michael Schlör

Usage in Models (calculation each 25th of the month)	1= 1934 ;
Number of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe): 1

No further Information for

ER2A7

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]