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EF55

Information - Help 
ID = 18601
       
Country:
Europe
Brand:
Tube type:  Vacuum Pentode   Text 
Identical to EF55 = CV173
Similar Tubes
Normally replaceable-slightly different:
  CV296

Base Loctal-9-Pin (B9G)
Filament Vf 6.3 Volts / If 1 Ampere / Indirect / Specified voltage AC/DC
Description

Video use. Sharp cutoff with Gm of 12 at Ia of 40mA.

 
Dimensions (WHD)
incl. pins / tip
34 x 95 x mm / 1.34 x 3.74 x inch
Weight 50 g / 1.76 oz
Tube prices 3 Tube prices (visible for members only)

ef55.gif
EF55: Courtesy Bureau Belper (De Muiderkring, Bussum), Scan Frank Philipse
Karel De Reus †

lo31_2.png EF55: RTT 1964 (Franzis) 10. Auflage
Martin Renz


Just Qvigstad
ef55_techdat01.png
EF55: SEL Handbuch 1964
Peter Hoddow

More ...
Usage in Models 1= 1951

Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):1


Collection of

 
ef55_philips_oire_p01_s.jpg

EF55
 

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