2 General Electric GE 13FM7 15FM7 Vacuum Tubes NOS NIB Lot Of Two

2 General Electric GE 13FM7 15FM7 Vacuum Tubes NOS NIB Lot Of TwoThese two new old stock, new in box GE 13FM7 15FM7 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 UP

Transconductance was 1710 for Tube One and 1960 for Tube Two where new/nominal is within one standard deviation of 1900

This lot of seven new old stock

a balloon / globe bottle

This Tung-Sol 9BR7 tube tested to spec on our Paul Hart-calibrated TV7/U

it has excellent flashing

new in box Sylvania 6U8A (ECF82 / 6AX8 / 5KD8 / 6KD8) pentode/triode was tested on our Paul Hart-calibrated TV7/U for shorts

Etsy will indicate how many are available in this Dutch auction

These fifteen new old stock

Tube One measured 68/73 while Tube Two measured 72/76 where minimum (65%) is 56/56 and 100% is 87/87

This windup ladies' gold-anodized Acqua (Timex's equivalent of Tudor) watch keeps fairly-good time and has never been serviced to my knowledge

55 and 65 where minimum is (65%) is 36 and 100% is 55

new in box 12SC7s tested to spec on our Paul Hart-calibrated TV7/U