5 General Electric GE 12DK7 Vacuum Tubes Valves NOS NIB Lot Of Five

5 General Electric GE 12DK7 Vacuum Tubes Valves NOS NIB Lot Of FiveThis lot of five new old stock, new in box GE 12DK7 tubes tested to spec on our Paul Hart calibrated TV7 U. WE HAVE SCORES OF THOUSANDS OF VACUUM TUBES. IF IT'S NOT LISTED, WE MAY HAVE IT. PLEASE ALSO SEE OUT ETSY SISTER SITE "LOWTECHTWOO" AND OR CALL OR TEXT US AT 202 372 6931 IF YOU DO NOT SEE WHAT YOU NEED OR HAVE ANY QUESTIONS. 1. MOST FORMS OF SHIPPING EXCEPT MEDIA MAIL ARE AUTOMATICALLY INSURED UP TO $100. ETSY PURCHASE PROTECTION COVERS ITEMS

WE WILL HAPPILY SEND YOUR PACKAGE TO A NEIGHBORING COUNTRY OR MAKE SUITABLE ARRANGEMENTS

There are five Sylvania 6N7 / 6N7 GT tubes in this lot

dimple getters

Tubes Two through Seven tested 40/38

5 out of ten

64 and 72 where minimum (65%) is 45 and 100% is 69

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

respectively nominal is within a standard deviation of 1100

Tube One measured 50/50 while Tube Two measured 49/54 where minimum (65%) is 25/25 and 100% is 38

IF IT APPEARS THE ITEM HAS ACTUALLY BEEN STOLEN

clear bottle 12SL7GT dual triodes was tested on our Paul Hart-calibrated TV7/U for shorts

72/76 and 92/90 where minimum (65%) is 50/50 and 100% is 77/77