CY 2, Tube CY2; Röhre CY 2 (CY2)

Antique radios, Old Time Radios

CY2

Country:	Europe		Brand:	Common type Europe
			Tube type:	High-vacuum Rectifier Power-supply

Tube ID = 278


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Identical to	CY2 = 30NG = TCY2 = UY2_Dario = MCY2 = 30BG
Similar Tubes	25Z6G (Multiple differences or of other kind) 1D4_Standard (can normally be replaced - small diff'ce) PV3018 (other base and data slightly different) PV4018 (Other base and other base diagram) PV30 (other base) CY32 (other base)
First Series	Mar.1934 Tube leaflet collection E.Erb Analysis by original leaflets
First Source (s)	Feb.1934 : Toute la radio # 1 Jul.1935 : Die Sendung 1935 #7
Successor Tubes	UY3 UY1 CY21_9pin

Base	Europe side contact base P (P8A) (Codex=Se)
Was used by	Radio/TV-reception etc.
Filament	-: Indirect / -: Series, AC/DC / If: 0.2 Ampere / Vf 30 Volts /
Description	Whith two independed diodes to be used as voltage doubler or for higher current. NOT intended as full wave rectifier. [JR] Text in other languages (may differ)
Tube prices	2 Tube prices (visible for members only)
Literature	Taschenbuch zum Röhren-Codex 1948/49


	Courtesy Bureau Belper (De Muiderkring, Bussum), Scan Frank Philipse Karel De Reus

R. Aufils
Raynal Aufils

Telefunken Werkstattbuch
Wolfgang Bauer

RVF-Röhrenbuch-M1,1947
Anonymous 15 Collector

Usage in Models

1= 1934? ; 18= 1934 ; 1= 1935? ; 20= 1935 ; 1= 1936?? ; 5= 1936? ; 23= 1936 ; 33= 1937 ; 1= 1938?? ; 29= 1938 ; 3= 1939?? ; 1= 1939? ; 29= 1939 ; 9= 1940?? ; 1= 1940? ; 21= 1940 ; 1= 1941? ; 12= 1941 ; 18= 1942 ; 4= 1943 ; 6= 1944 ; 6= 1945?? ; 3= 1945? ; 2= 1945 ; 5= 1946 ; 1= 1947? ; 9= 1947 ; 6= 1948 ; 1= 1949 ; 1= 1950?? ; 1= 1950 ; 2= 1951 ;

Number of Models with this tube 274

Further Information for

CY2

CY2 (CY2) (29.07.2007) Reinhard Hanschke	Clicks: 123 Replies: 0
Nupreis 1938: 45.-- FFR. Lit.: Catalog der Firma MANUFRANCE (MF) von 1938.

CY2 (CY2) von OPTA, wann und wo gebaut? (21.03.2006) Wolfgang Eckardt	Clicks: 495 Replies: 1
Vor mir liegt eine CY2 mit dem OPTA-Logo (Rombus). Ich kenne zwar Loewe-Röhren, doch bin ich mir nicht sicher, wo und wann diese Röhren mit diesem Logo gebaut wurden. Aus der Kennung PO 2609 vermag ich keine Schlüsse zu ziehen. Stammen solche Röhren aus der Zeit 1942-45 in dem Betrieb in Berlin-Weißensee? Wolfgang Eckardt More ...

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