RCA 5AM8 Vacuum Tube Valve NOS NIB 6BK7 6BK7B NOS NIB

RCA 5AM8 Vacuum Tube Valve NOS NIB 6BK7 6BK7B NOS NIBThis new old stock, new in box RCA 5AM8 tube tested to spec on our Paul Hart calibrated TV7 U. BECAUSE OF THE BIZARRE, INTRUSIVE AND DRACONIAN 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 2021 WE PURCHASED 150,000 VACUUM TUBES. IF IT'S NOT LISTED, WE PROBABLY HAVE IT.

outstanding flashing and a 43-C2 date code

Two are milspec and two are civilian

bayonet socket is in great shape and is very clean

47/43 and 49/50

new in box and test 15

Tube One measured 73/74 while Tube Two measured 78/75 where minimum (65%) is 50/50 and 100% is 77/77

This lot of four North American-made number 78 tubes was tested on our Paul Hart-calibrated TV7/U for shorts

These four Super Silvertone 12A8GT tubes were tested for shorts

where minimum (65%) is is 45 and 100% is 69

35 and 42 where minimum (65%) is 26 and 100% is 40

76 and 85 where minimum (65%) is 33 and 100% is 51

it tested as follows: