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QQV03-20A

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ID = 20505
       
Country:
Great Britain (UK)
Brand: Mullard Radio Valve Co. Ltd.;
Tube type:  Double Tetrode   Power/Output 
Identical to QQV03-20A
Similar Tubes
Normally replaceable-slightly different:
  QQE03/20

Base Septar (1+6 pins) 2 Top contacts.
Was used by Transmittertube (Radio)
Filament Vf 12.6 Volts / If 0.65 Ampere / Indirect / Specified voltage AC/DC
Description

Heizfaden-Mittelanschluss, daher auch Betrieb mit 6.3 V und 1.3 A

 
Information source Röhren-Taschen-Tabelle, (Franzis RTT)   

sp9_g_4.gif QQV03-20A: RTT Schwandt
Günther Stabe † 19.8.20

qqv0320a_mullard_data_01.png
QQV03-20A: Mullard-original papers
Otto Galli

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Collection of

 
qqv03_20a.jpeg

QQV03-20A
 

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