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EF87

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ID = 18602
       
Country:
Austria
Brand: Siemens-Austria (WSW); Wien
Tube type:  Vacuum Pentode   Audio Frequency 
  Late but very rare. ***
Identical to EF87

Base Noval, 9 pin miniature (USA pico-9) B9A
Was used by Radio/TV-reception etc.
Filament Vf 6.3 Volts / If 0.3 Ampere / Indirect

ef87.gif
EF87: Courtesy Bureau Belper (De Muiderkring, Bussum), Scan Frank Philipse
Karel De Reus †

ef87.png EF87: Telefunken Röhrenhandbuch
Wolfgang Bauer


Just Qvigstad
Usage in Models 1= 1960??

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

Collection of

 
ef87~~1.jpg

EF87
 

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