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ID = 20367
Tube type:  Screen-grid Tetrode 
Identical to QB4/1100 = 7527 = YL1460

Base SPECIAL TUBEBASE in general Top contact with a cap.
Filament Vf 5 Volts / If 14.1 Ampere / Direct
Dimensions (WHD)
incl. pins / tip
87 x 145 x mm / 3.43 x 5.71 x inch
Weight 185 g / 6.53 oz
Tube prices 1 Tube prices (visible for members only)
Information source
QB4/1100: Eigenes Bild
Anonymous 971 Collector

QB4/1100: Valvo,Senderöhren, 1983
Anonymous 15 Collector

QB4/1100: Valvo,Senderöhren, 1983
Anonymous 15 Collector

You reach this tube or valve page from a search after clicking the "tubes" tab or by clicking a tube on a radio model page. You will find thousands of tubes or valves with interesting links. You even can look up radio models with a certain tube line up. [rmxtube-en]