Antique radios, Old Time Radios

244A

ID = 25392

Country:

United States of America (USA)

Brand:	Western Electric Company Inc.; New York (NY)
Tube type:	Triode, vacuum Audio Frequency

Identical to

244A = MY227

Similar Tubes

Other characteristic (electr. data):

UY227

Other base and data slightly different:

247A

First Source (s)

1929 : Saga of the Vacuum Tube, Tyne

Successor Tubes

285A

Base	UY-Base, 5 Pins (USA, April 1927)
Filament	Vf 2 Volts / If 1.6 Ampere / Indirect / Parallel, (AC/DC)
Description	Mu 10, Gm 0.5 to 1.2mS; low microphonics and sputter noise. Intended for low-level audio preamplifier applications. Improved, low-noise substitution for UY227.
Literature	Babani, International Radio Tube Encyclopaedia W.E.Greybar catalog 1933 - - Manufacturers Literature Tube Lore (I)

244A: KoBi
Konrad Birkner † 12.08.2014

Usage in Models

1= 1928?

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

Collection of Donald Warren (CDN)

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