New old stock 1950's vintage US made Raytheon JAN military issue 1AD4 tubes.
These subminiature pentodes are in the original factory crates and individually boxed.
This item is shipped from Britain, in North America or Asia please allow 2 to 3 weeks for delivery.
Offers on this item considered for quantity 50 or more.
1AD4 is a battery pentode that normally operates at 45V plate (anode) voltage and has a very low power filament (1.25V at 100 ma) that will operate off a battery. For more data please see: http://www.mif.pg.gda.pl/homepages/frank/sheets/138/1/1AD4.pdf