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ID = 18716
Brand: Werk für Fernmeldewesen (OSW, HF, WF) Berlin, VEB, RFT (Ostd.)
Tube type:  Double Tetrode   Power/Output 
Identical to SRS4451 = RS1009 = QQE06/40

Base Septar (1+6 pins) 2 Top contacts.
Was used by Transmittertube (Radio)
Filament Vf 12.6 Volts / If 0.9 Ampere / Indirect / Specified voltage AC/DC

Heizfaden mit Mittenabgriff, dadurch auch 6,3 V; 1,8 A möglich.

Dimensions (WHD)
incl. pins / tip
46 x 89 x mm / 1.81 x 3.50 x inch
Weight 95 g / 3.35 oz
Tube prices 2 Tube prices (visible for members only)
Information source - - Manufacturers Literature   RFT-Spezialröhren, 1965

SRS4451: Elektr. Jahrb. 1970 S. 136
Egon Strampe

srs4451_so.png SRS4451: rtt
Anonymous 10 Collector

SRS4451: RFT-Spezialröhren 1965
Anonymous 15 Collector

More ...
Usage in Models 1= 1957?

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

Collection of



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