Please click your language flag. Bitte Sprachflagge klicken.


Information - Help 
ID = 25774
Brand: Visseaux / Télévisso; Lyon / Paris
Developer: Westinghouse El. & Mfg. Co. - see also Canadian W. 
Tube type:  Screen-grid Tetrode   Universal 
Identical to A224 = 24 = 224 = UY224 = C324 = 124
Similar Tubes
Normally replaceable-slightly different:
First Source (s)
May.1929 : 70 Years of Radiotubes and V.

Base UY-Base, 5 Pins (USA, April 1927) Top contact with a cap.
Was used by Radio/TV-reception etc.
Filament Vf 2.5 Volts / If 1.75 Ampere / Indirect / Specified voltage AC/DC
Dimensions (WHD)
incl. pins / tip
x 123 x 45 mm / x 4.84 x 1.77 inch
Weight 50 g / 1.76 oz
Information source Babani, International Radio Tube Encyclopaedia   
Taschenbuch zum Röhren-Codex 1948/49   
A224: Ebay
Patrice Zeissloff

A224: ARRL Handbook 1972
Michael Schlör


from Just Qvigstad

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]