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PY500

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ID = 18630
       
Country:
Europe
Brand: Common type Europe tube/semicond.
Tube type:  Damper, booster, flyback diode 
Identical to PY500 = 42EC4 = 42EC4A
Similar Tubes
Heater different:
  LY500
First Source (s)
Jul.1965 : Radio-Mentor # 7
Predecessor Tubes PY88  
Was used by Radio/TV-reception etc.
Filament Vf 42 Volts / If 0.3 Ampere / Indirect / Specified current AC/DC ~ = (Series working)
Tube prices 3 Tube prices (visible for members only)
py500.gif
PY500: Courtesy Bureau Belper (De Muiderkring, Bussum), Scan Frank Philipse
Karel De Reus †
py500_sock.png PY500: Telefunken Taschenbuch 1971
Anonymous 15 Collector
py500_spec.png
PY500: Telefunken Taschenbuch 1971
Anonymous 15 Collector
More ...
Usage in Models 3= 1967? ; 39= 1967 ; 7= 1968? ; 24= 1968 ; 4= 1969?? ; 5= 1969? ; 33= 1969 ; 4= 1970?? ; 1= 1970? ; 35= 1970 ; 5= 1971? ; 16= 1971 ; 1= 1972?? ; 15= 1972 ; 4= 1973 ; 1= 1974? ; 1= 1977?
Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):198

Collection of

Museum Roggenhofer (A)
Christian Schaufelberger (CH)
Patrice Zeissloff (F)
Karl - Heinz Bossan (D)
Klemens Rhode (D)
Ottmar Rollmann (D)
Oskar Elm (D)
Bernhard Nagel (D)
Jürgen Küting (D)
 
py500_a.jpg

PY500
 
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