Radio Antica e Radio d'epoca
UX240
Zoccolo |
UX-Base (4 Pins (2 thick, USA 1924) (Codex=Ha)
|
Utilizzata per |
Radio/TV-reception etc. |
Filamento |
Vf 5 Volt / If 0.25 Ampere / Direct / Battery = |
Descrizione |
Work on this tube began at the GE laboratories in 1923. It was given the type number late in 1926. Announced in February 1927, Tyne page 317. This tube had an amplification factor of 30 - four times that of the UX201A. It was specifically designed for resistance-capacitance coupled amplification. A 250000 ohm coupling resistor was used in the anode circuit.
Testo in altre lingue
(può variare)
|
Dimensioni (LxAxP) incl.pins/tip |
45 x 108 x mm / 1.77 x 4.25 x inch |
Peso |
47 g / 1.66 oz |
Bibliografia |
Saga of the Vacuum Tube, Tyne p. 317 & 318
- - Manufacturers Literature The Story of Electronics Development at the GE Co
Tube Lore (II)
Taschenbuch zum Röhren-Codex 1948/49
|
|
UX240: KoBi
Konrad Birkner † 12.08.2014
|
Just Qvigstad
|
|
Numero
totale di modelli di Radiomuseum.org che
utilizzano questa valvola:6
Collezione di
|
|
|
|
[rmxtube-en]
Conformità dei dati |
Ulteriori informazioni |
|
|