Antique radios, Old Time Radios
5Z4
Country:
United States of America (USA)
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Identical to |
5Z4
= VT-74
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Similar
Tubes |
Other shape (e.g. bulb type):
5Z4G
; 5Z4GT
; 5Z4MG
; 5Ц4С
; GT5Z4
; GZ30
Normally replaceable-slightly different:
38593
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First year |
15.Aug.1935
Electron Tube Registration List
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Predecessor Tubes |
UX280
CX380
80
80S
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Base |
Octal (Int.Octal, IO) K8A, USA 1935 (Codex=Vn)
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Was used by |
Radio/TV-reception etc. |
Filament |
Vf 5 Volts / If 2 Ampere / Half indirect |
Tube prices |
4 Tube prices (visible for members
only)
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Information source |
Essential Characteristics, GE 1973
Taschenbuch zum Röhren-Codex 1948/49
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5Z4: corrected version
Roland Langfeld
More ...
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5Z4: Telefunken Werkstattbuch
Wolfgang Bauer
More ...
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Just Qvigstad
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5Z4: Original data sheet
Otto Galli
More ...
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Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):888
Collection of
Collection of a member from FIN Collection of a member from F Collection of a member from FIN
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Variants
Die ersten Versionen der 5Z4 erschienen in einer perforierten Metallhülle ("Birdcage = Vogelkäfig").
Die RCA- Version enthielt zwei bleistiftförmige Elektrodensysteme, deren äußere Umhüllung sowohl die Anodenzylinder selbst wie auch das Gehäuse des Systems darstellten.
Andere Hersteller, z. B. Raytheon, bauten eine normalem Glasröhre mit zylindrischem Kolben in diese Birdcage-Metallhülle.
Diese Glasröhre ist praktisch baugleich mit der moderneren Version der russischen 5z4s, weshalb man mit einer solchen eine Birdcage- 5Z4 rekonstruieren kann, wie hier geschehen. [JR]
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The Arcturus "Coronet" metal/glass type 5Z4 tube is unusual in that it employed a glass disc instead of the conventional "pinch" for introducing the lead-in wires into the glass bulb. The disc has the wires in a circular formation.
(70 Years of Radiotubes and V. Pages 99 & 100)
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