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ID = 38173
Great Britain (UK)
Brand: Mullard Radio Valve Co. Ltd.;
Tube type:  Vacuum Pentode   RF/IF-Stage   Controlling (mu) 
Identical to CV2433 = DF63
Similar Tubes
Normally replaceable-slightly different:
Predecessor Tubes VX8172  

Base Subminiatur (wire-ends, flat) B5A Wires only.
Filament Vf 1.25 Volts / If 0.025 Ampere / Direct
Description Va <100, Ia <1.7mA; Ra=1.7M Gm=0.85mA/V. 
Dimensions (WHD)
incl. pins / tip
10 x 38 x 7 mm / 0.39 x 1.50 x 0.28 inch
Information source -- Original-techn. papers.   group 176
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CV2433: From my collection.
Jay Kinnard


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