Antique radios, Old Time Radios
AB1
Country:
Europe
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Brand:
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Tube type: |
Double Diode Detector |
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Identical to |
AB1
= A4DD
= DD465
= TB1
= TAB1
= WE31
= 2D4
= RAB1
= VAB1
= 4A13_Ultron
= D401
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Similar
Tubes |
Normally replaceable-slightly different:
D41_Geco
; DD
; NDD40
Heater different:
BB1
Different connections:
2D4A
; A20B
; D400_5-pin
; TB24
Other base:
AB2
Other base and other heater:
CB1
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First year |
1933
- - Manufacturers Literature Fertigungsliste Telefunken 1 alt
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First Source
(s) |
Mar.1934 : Philips Bulletin #D13
Feb.1934 : Toute la radio # 1
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Successor Tubes
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1935
AB2
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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 |
Taschenbuch zum Röhren-Codex 1948/49
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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 SK Collection of a member from D Collection of a member from FIN Collection of a member from CH
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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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