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ID = 15985
Brand: Valvo GmbH, Radioröhrenfabrik; Hamburg
Tube type:  Triode, vacuum   Power/Output 
Identical to L2218 = REN1822 = B2006
Similar Tubes
Normally replaceable-slightly different:
  E2020N ; P2018
First year 1931 Tube leaflet collection E.Erb Analysis by original leaflets

Base Europe 5-Pin , B5 (Eu O, F, O5A) 1928 (Codex=F)
Filament Vf 20 Volts / If 0.18 Ampere / Indirect / Specified current DC = (Series working)
Description Die Röhre wird bei vielen Werken als Gleich REN1822 gegeben, hat aber eine Steilheit von 2,5 statt 1,6 mA/V. Darum führen wir sie lediglich als "normalerweise austauschbar". 
Tube prices 1 Tube prices (visible for members only)
Information source Taschenbuch zum Röhren-Codex 1948/49   
L2218: Sammlung
Anonymous 557 Collector

More ...
L2218: Telefunken Werkstattbuch
Wolfgang Bauer

L2218: Valvo-Röhren-Daten 1934
Jacob Roschy

from Just Qvigstad

Collection of a member from D

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