Antique radios, Old Time Radios

C11

Country:	United States of America (USA)	Brand:	Cunningham Inc., E.T.; Harrison (NJ)
		Developer:	Westinghouse El. & Mfg. Co. - see also Canadian W.
		Tube type:	Triode, vacuum Universal

Tube ID = 13861

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Identical to	C11 = 11 = WD11
Similar Tubes	Other base: 12; CX12; WX12
Successor Tubes	C12_Triode

Base	WD-base (Codex=Bw)
Filament	Vf 1.1 Volts / If: 0.25 Ampere / -: Direct / -: Battery = /
Description	Ua = 90 V; Ia = 2,5 mA; Ug1 = -4,5 V; Ra = 15,5 kOhm; S 0,425 mA/V V = 6,6 (in Vademecum 1960 anderer Arbeitspunkt: Ua = 135 V; Ug = -10 V; Ia = 3 mA) Text in other languages (may differ)
Literature	Taschenbuch zum Röhren-Codex 1948/49 The Cunningham Radio Tubes Manual C-10 1932


	C11: KoBi Konrad Birkner

C11: Codex 1948
Anonymous 56 Collector

C11: KoBi
Konrad Birkner

C11: Vintage Electronic catalog
Geri Meier

Forum contributions about this tube
C11
Threads: 1 | Posts: 4

Hits: 573 Replies: 0 C11 (C11)
Daniel Consales 26.Feb.06	1 C11 (C11) Daten aus "The Cunningham Radio Tubes Manual C-10 1932: direkt geheizt (DC) Uh = 1,1V Ih = 0,25A Ua = 90V Ia = 2,5mA Ug1 = -4,5V "AC Plate resistance" = 15500 Ohm "Conductance" = 425 mhos V = 6,6
Konrad Birkner 01.Mar.06	2 no subject C11 ist Cunninghams Name für die WD11. Leider ist auf unserem Röhrenblatt die falsche Sockelschaltung! Ausserdem im Text oben ebenfalls der 2dick/2dünn angegeben. Bitte Bilder vergleichen: http://www.radiomuseum.org/tubes/tube_wd11.html#variants
Daniel Consales 01.Mar.06	3 C11 S. hier: http://www.radiomuseum.org/forum/cx12_cx12.html MfG Daniel Consales
Konrad Birkner 02.Mar.06	4 no subject Des Rätsels Lösung: C11 = WD11; 4 Stift, 1 dick C12 = WD12; 4 Stifte kurz, UV-Sockel CX12 = WX12; 4 Stifte lang, 2 dick, UX-Sockel elektrisch sind sie alle weitgehend gleich. Kein Wunder, denn sie wurden (per Abkommen Cunningham/RCA) gemeinsam gefertigt.

C11
End of forum contributions about this tube

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