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ID = 57420
Brand: Funkwerk Erfurt, VEB, RFT (Ostd.) - vorm. Telefunken GmbH
Tube type:  Double Triode   VHF 
  Late but no serial production. For instance only development samples. *****
Identical to ICC85
Similar Tubes
Heater different:

Base Noval, 9 pin miniature (USA pico-9) B9A
Filament Vf 20 Volts / Indirect / Specified voltage AC/DC

Nominelle Heizspannung = 20 V. Jedoch wurde erst mit 22 V und 125 mA die Heizleistung 2,75 W erreicht, entsprechend der ECC85.

Dimensions (WHD)
incl. pins / tip
22 x 55 x mm / 0.87 x 2.17 x inch
Weight 10 g / 0.35 oz

Just Qvigstad

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