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ID = 18617
Brand: Tesla; Praha, Bratislava etc.
Tube type:  Damper, booster, flyback diode 
Identical to EY83
Similar Tubes
Normally replaceable-slightly different:

Base Noval, 9 pin miniature (USA pico-9) B9A Top contact with a cap.
Filament Vf 6.3 Volts / If 1 Ampere / Indirect
Dimensions (WHD)
incl. pins / tip
22 x 83 x mm / 0.87 x 3.27 x inch
Weight 17 g / 0.60 oz
Tube prices 2 Tube prices (visible for members only)

EY83: Courtesy Bureau Belper (De Muiderkring, Bussum), Scan Frank Philipse
Karel De Reus †

no29_4.png EY83: RTT 1964 (Franzis) 10. Auflage
Martin Renz

Just Qvigstad
Usage in Models 1= 1960? ; 3= 1960 ; 1= 1963?? ; 1= 1965?? ; 2= 1967??

Quantity of Models at with this tube (valve, valves, valvola, valvole, válvula, lampe):8

Collection of

Collection of a member from FIN
Collection of a member from D


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