Amperex RCA 6360 Vacuum Tube NOS NIB Melody Sings 64 and 72 where minimum

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

(New 6GU7s typically test from within a half standard deviation of 2000 micromhos and the Jackson expresses this in terms of a percentage

new in box (for Tube One) matched pair of GE-MANUFACTURED 12SL7 / 12SL7GT dual triodes was tested on our Pau Hart-calibrated TV7/U for shorts

These three RCA 6MD8 tubes are new old stock

They measured (from left to right) 46

Amperex RCA 6360 Vacuum Tube NOS NIB Melody Sings 64 and 72 where minimumThis new old stock, new in box Dutch Amperex RCA 6360 tube 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