Eureka EV-6-12







        High voltage rectifier valve. Sixties or early Seventies.


        10.5” (26.5cms) total length. 2.25” (6cms) largest diameter.


        Note the double filament, at a  right angle  to  the axe of  the valve,  passing through  a  metal  loop  connected  to  one  side  of  the  filaments (see x-ray pictures).


        Filament voltage selectable during  installation, 6 or 12 volts, by  the use of “jumpers” in the holes provided in the tube base.


        Note the small rectangular gettering metal frame connected to the anode cylinder, inside the glass wall near the anode end of the valve.

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