4 US-Made 3AL5 Vacuum Tubes Valves NOS NIB Lot Of Four Press Tube One measured 72/74 while

Tube One measured 72/74 while Tube Two (Zenith-LABELED) measured 74/73 where minimum (65%) is 50/50 and 100% is 77/77

but non-strident highs

72 and 88 where minimum (65%) is 33 and 100% is 50

And though this tube tests two standard deviations from the mean

WE PROBABLY HAVE IT

4 US-Made 3AL5 Vacuum Tubes Valves NOS NIB Lot Of Four Press Tube One measured 72/74 whileThese four new old stock, new in box US made 3AL5 tubes 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