RCA Number Type 38 #38 Vacuum Tube Engraved Base Shoulder Shape NOS NIB Matsushita 40 and 62 where minimum

40 and 62 where minimum (65%) is 40

These tubes have narrow 19 MM plates

This new old stock-testing lot of six Tung-Sol black glass 6K6GT tubes were tested on our Maxi Matcher 2 with 325 volts on the plates and a bias of --36 volts for shorts

new in box milspec Tung-Sol VT-36 number / type 36 tube tested to spec on our Paul Hart-calibrated TV7/U

This RCA 604 / 7014 rectifier tube looks only slightly used

RCA Number Type 38 #38 Vacuum Tube Engraved Base Shoulder Shape NOS NIB Matsushita 40 and 62 where minimumThis new old stock, new in box RCA number type #38 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 UP