Tung-Sol 50X6 Vacuum Tube NOS NIB 6DS4 Nuvistor T15 This lot of three Sylvania

This lot of three Sylvania 12Q7G tubes tested to spec on our Paul Hart-calibrated TV7/U

They have E5E and E5E date codes

They tested (from left to right) as follows: 44

(New 6SN7s typically test within a standard deviation of 2600 micromhos

These tubes have black and silver bottles

Tung-Sol 50X6 Vacuum Tube NOS NIB 6DS4 Nuvistor T15 This lot of three SylvaniaThis new old stock, new in box Tung Sol 50X6 tube tested to spec on our Paul Hart calibrated TV7. 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