Zenith 6AF5 6AF5G Vacuum Tube Valve NOS NIB Columbia Harmony Tube One measured 62 while

Tube One measured 62 while Tube Two measured 62 as well where minimum (65%) is 46

new in box Sylvania 25Z5 tubes tested to spec on our Paul Hart-calibrated TV7/U

These four metal base National Union 6Q7GT tubes tested to spec on our Paul Hart-calibrated TV7/U

They have 0-09 188-5 and 9-04 188-5 date / provenance codes

This new old stock-testing German Amperex-MANUFACTURED

Zenith 6AF5 6AF5G Vacuum Tube Valve NOS NIB Columbia Harmony Tube One measured 62 whileThis new old stock, new in box Zenith 6AF5G tube tested to spec on our Paul Hart calibrated TV7 U. 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 2021 WE PURCHASED 150,000 VACUUM TUBES. IF IT'S NOT LISTED, WE PROBABLY HAVE IT.