Antique radios, Old Time Radios
EBL21
Country:
Netherlands
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Identical to |
EBL21
= PDD2
= EBL71
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Similar
Tubes |
Normally replaceable-slightly different:
DN143
Other base and data slightly different:
6BY8G
; EABL21
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First year |
Feb.1941
Tube leaflet collection E.Erb Philips Book III
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First Source
(s) |
Jul.1941 : Philips Bulletin
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Predecessor Tubes |
EBL1
ABL1
EABL21
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Successor Tubes
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6BV7
EBL80
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Base |
Loctal-8, B8G (Sylvania, 1938) (Codex=Wa)
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Was used by |
Radio/TV-reception etc. |
Filament |
Vf 6.3 Volts / If 0.8 Ampere / Indirect / Specified voltage AC/DC |
Description |
The EBL21 is an EBL1 transformed into an all- glas tube similar to the Sylvania-Loktal-tubes of 1938. It may used in simple superhets without audio pre stage where the output section is directly driven from the diode detector, or in sets where the audio pre-stage was combined with the IF stage or with separate tubes for IF+AF.J.R.8.Feb2003]
Text in other
languages (may
differ)
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Tube prices |
54 Tube prices (visible for members
only)
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Information source |
Taschenbuch zum Röhren-Codex 1948/49
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EBL21: Courtesy Bureau Belper (De Muiderkring, Bussum), Scan Frank Philipse
Karel De Reus †
More ...
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EBL21: RTT 1974 (Franzis) 13. Auflage
Martin Renz
More ...
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Just Qvigstad
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EBL21: Mullard - original papers
Wolfgang Romeyke
More ...
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Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):1289
Collection of
Collection of a member from D Collection of a member from CDN Collection of a member from FIN Collection of a member from D Collection of a member from FIN
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Variants
Nur Siemens Austria fertigte diese Röhre mit dem Pumpstutzen an der Röhrenspitze.
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Ab 1944 von Albis (CH) entwickelte Stahlröhre, deren Produktion 1945 wieder eingestellt wurde.
Von den Stahlausführungen der ECH21, EF22, EBL21 und AZ21 wurden insgesamt nur einige hundert Stück hergestellt.
Quelle: Willi, E., Schweizer Elektronenröhren, 2005
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