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QQV03-20A

Information - Help 
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 / Parallel, (AC/DC)
Description

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

 
Information source Röhren-Taschen-Tabelle, (Franzis RTT)   
 
qqv03_20a.jpeg
QQV03-20A: From my collection.
Niclas Pettersson

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

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



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