Radios antiguas y Radios de Colección
UX245
| Base |
UX-Base (4 Pins (2 thick, USA 1924) (Codex=Bo)
|
| Usada en |
Radio/TV-reception etc. |
| Filamento |
Vf 2.5 Volt / If 1.5 Ampere / Direct / Specified voltage AC/DC |
| Descripción |
According to Tyne, page 322, this audio-power output tube was introduced in March 1929. It is intermediate between UX171A and UX210 and was first named UX245, later in short 245 and 45. See other identical denominations too. The oxide-coated filament operates at 2.5 volts AC or DC, taking 1.4 amperes. The anode is of sheet nickel, carbonzed fo facilitate radiation. Power output about 0.8 watt. The tube was not yet listed in March 1929 GE tube history, which gives introductory dates for all their tubes up to that time.
Texto en otros idiomas
puede diferir
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Dimensiones
(Alt,Ancho,Prof.)
incl.pins/tip |
x 137 x 54 mm / x 5.39 x 2.13 inch |
| Peso |
59 g / 2.08 oz |
| Precios de válvulas |
2 Precios de válvulas (visible
solo para miembros)
|
| Literatura |
Saga of the Vacuum Tube, Tyne p. 321 & 322
Tube Lore (II) p. 27, 30 & 182
Taschenbuch zum Röhren-Codex 1948/49
-- Collector info (Sammler)
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UX245: KoBi
Konrad Birkner † 12.08.2014
Mas ...
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Just Qvigstad
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UX245: RCA Receiving Tube Manual RC-10
Heinz Höger
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Número de
modelos en Radiomuseum.org con esta
válvula:179
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