Westinghouse 21GY5 Vacuum Tube Valve NOS NIB 33GY7 NOS NIB I just cleaned this two

I just cleaned this two LP set on my VPI 16

Five are Sylvania and one is National Union

Tube Eight: 37

Transconductance measured 40/40 for Tube One and 42/46 for Tube Two where minimum (65%) is 32/32

Westinghouse 21GY5 Vacuum Tube Valve NOS NIB 33GY7 NOS NIB I just cleaned this twoThis new old stock, new in box Japanese made Westinghouse 26LX6 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 "LOWTECHELEC" 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