Antique radios, Old Time Radios
AB1
Base |
Europe 5-Pin , B5 (Eu O, F, O5A) 1928 (Codex=Fc)
Top contact with a cap.
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Was used by |
Radio/TV-reception etc. |
Filament |
Vf 4 Volts / If 0.65 Ampere / Indirect / Specified voltage AC/DC |
Description |
Gemäss Fertigungsliste Telefunken gab es die erste Fertigung in 1933 in Berlin. Bis 1945 baute das Werk 525'731 Stück. 1946/47 kamen 22 dazu, danach 920, 1, 2113, 10, 2981 und 1952/53 noch 1894 Stück. Total also 533'672 Stück.
Für die früheste Modelldatierung in Originalbestückung hat der Faktor Erstbelieferung für Versuchsaufbauten inkl. konkreten Schaltungsvorschlägen des Reöhernherstellers bzw. -Entwicklers je nach Jahreszeit, die wir nicht kennen, eine andere Bedeutung: Fertige Seriengeräte noch im gleichen Jahr oder im folgenden.
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Tube prices |
10 Tube prices (visible for members
only)
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Information source |
Röhren-Vademecum; P.H. Brans; Antwerpen p. 5
Universal Vade-Mecum, Electron Valves and Semiconductor Devices Section 73, p. 100
Taschenbuch zum Röhren-Codex 1948/49
Babani, International Radio Tube Encyclopaedia
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AB1: Courtesy Bureau Belper (De Muiderkring, Bussum), Scan Frank Philipse
Karel De Reus †
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AB1: RTT 1974 (Franzis)
Martin Renz
More ...
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Just Qvigstad
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AB1: Telefunken
Robert Schmalstieg
More ...
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Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):326
Collection of
Collection of a member from CH Collection of a member from FIN Collection of a member from SK Collection of a member from D
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Variants
Longlife had developed a double diode type DD before Longlife became a Philips licence in November 1934. This tube was re-designated AB1. Hier a Longlife AB1, which is quit large. Dimentions 48 x 122 x 35 mm, weight 53 gram.
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