7Z4 Philco, one pair (2), NOS/NIB, immaculate condition, from military stock
5 in stock
One pair (2) Philco 7Z4. The tubes are abolutely new and in immaculate condition.
These tubes have not seen daylight for more than 60 years and are still sealed on both ends on the box. I just unpacked one to show the exact type of tube you will find in the boxes, but you will receive a sealed pair
These tubes are guaranteed to be new and unused from old military stock!