2 National Union NU 25Z5 Vacuum Tubes Valves Shoulder / Coke Bottle NOS NIB Lot Of Two 6W4GT T15 54 and 65 where minimum

54 and 65 where minimum (65%) is 48

These two milspec Chatham Electronics 6H6 / JAN-CAHG-6H6-WGT tubes were tested on our Paul Hart-calibrated TV7/U for shorts

Transconductance measured 49/49 where minimum (65%) is 36/36

top O getters and two additional support rods for increased ruggedness and microphony suppression

Top: smooth

2 National Union NU 25Z5 Vacuum Tubes Valves Shoulder / Coke Bottle NOS NIB Lot Of Two 6W4GT T15 54 and 65 where minimumThese two new old stock, new in box National Union 25Z5 tubes tested to spec on our Paul Hart calibrated TV7 U. They have shoulder ST Coke bottle bottles and dimpled sheet getters BECAUSE OF THE BIZARRE, INTRUSIVE AND DRACONONIAN GERMAN PACKAGING REGULATIONS AND THE SEVERE FINES AND PRIVACY INTRUSIONS ASSOCIATED WITH THEM WE NO LONGER SHIP TO GERMAN ADDRESSES. WE WILL HAPPILY SEND YOUR PACKAGE TO A NEIGHBORING COUNTRY OR MAKE SUITABLE ARRANGEMENTS. IN