3 Ken-Rad 1A7 1A7GT Vacuum Tubes NOS NIB Lot Of Three Octal NOS NIB

3 Ken-Rad 1A7 1A7GT Vacuum Tubes NOS NIB Lot Of Three Octal NOS NIBThese three Ken Rad 1A7GT tubes tested to spec on our Paul Hart calibrated TV 7 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 TO $250 IN VALUE. IF AN

It measured 82/91 where minimum (65%) is 50/50 and 100% is 77/77

This lot of three new old stock

They have engraved bases

new in box Amperex 9ED4 tube tested to spec on our Paul Hart-calibrated TV7/U

but has GE 188-5 and a sutured top

AN ELECTRONICS COMPANY THAT NEVER MADE TUBES

This album was cleaned on my VPI 16

Transconductance measured 112%/114% for Tube One and 114%/115% for Tube Two

This new old stock-testing matched pair of milspec RCA metal bottle JAN-CRC-6V6 output tubes was tested on our Maxi-Matcher 2 with 400 volts on the plates and a bias of -36 volts for shorts

These tubes have gray plates

CUSTOMS DELAYS CAN ADD WEEKS TO DELIVERIES

They tested to spec on our Paul Hart-calibrated TV7/U