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PEN.DD4020, MAZDA, PENDD4020, PEN/DD4020 USED IN MURPHY SETS AD32 etc
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PEN.DD4020, MAZDA, PENDD4020, PEN/DD4020 USED IN MURPHY SETS AD32 etc

Only 3 left!

 PEN.DD4020 MAZDA, PENDD4020, PEN/DD4020

PEN DD 4020 Valve. A double diode LF Penrode for AC or DC supply, used as a signal rectifier and output valve. Heater Current 0.2 ma, Heater Volts 40, Anode Volts 250, Screen Volts 250.

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