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EL503

Information - Help 
ID = 3461
       
Country:
Europe
Brand: Common type Europe tube/semicond.
Tube type:  Beam Power Tube   clamp grid   Power/Output 
Identical to EL503 = 8278
Similar Tubes
Other base:
  EL520
First year 1965 Tube leaflet collection E.Erb Analysis by original leaflets
First Source (s)
Jan.1966 : Funkschau # 1
Predecessor Tubes EL34  

Base Magnoval (9-Pins), B9D
Was used by Radio/TV-reception etc.
Filament Vf 6.3 Volts / If 1.05 Ampere / Indirect / Parallel, (AC/DC)
Description

Erstauslieferung in Serie 1965. Herstellung wahrscheinlich nur in Frankreich: La Radiotechnique (SFR), Chartres (Philips). Vorgestellt in Deutschland durch Valvo (Philips), danach für weitere "Vertreiber" gestempelt.

 
Tube prices 6 Tube prices (visible for members only)
  el503.png
  EL503: Courtesy Bureau Belper (De Muiderkring, Bussum), Scan Frank Philipse
Karel De Reus †
 
roehre_el503_tfk.jpg
EL503: J.K.
Jürgen Küting

 
mn15.png
EL503: RTT 1974 (Franzis) 13. Auflage
Martin Renz

 
d_el503_daten1a.png
EL503: Valvo Empfängerröhren Handb. 1971/72
Trev Levick


Usage in Models 3= 1965? ; 2= 1965 ; 2= 1966?? ; 5= 1966? ; 2= 1966 ; 3= 1967?? ; 2= 1967? ; 1= 1967 ; 1= 1968?? ; 1= 1968? ; 2= 1968 ; 1= 1969 ; 1= 1970?? ; 2= 1970? ; 3= 1970 ; 1= 1973?? ; 1= 1973?

Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):33



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