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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 / Parallel, (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 2 Tube prices (visible for members only)
  ef55.gif
  EF55: Courtesy Bureau Belper (De Muiderkring, Bussum), Scan Frank Philipse
Karel De Reus †
 
ef55_philips_oire_p01_s.jpg
EF55: Collection Patrice ZEISSLOFF
Patrice Zeissloff

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

 
ef55_techdat01.png
EF55: SEL Handbuch 1964
Peter Hoddow


Usage in Models 1= 1951

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


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