RCA 6DS4 Nuvistor Vacuum Valve NOS NIB FV 24 04721 Tube One measured 60 while

Tube One measured 60 while Tube Two measured 62 where minimum (65%) is 55 and 100% 85

This lot of three Super Silvertone 6K7G tubes were tested on our Paul Hart-calibrated TV7/U for shorts gas and transconductance

These 11 RCA gray glass 6D6 tubes were tested on our Paul Hart-calibrated TV7/U for shorts

This RCA 6S8GT tube was tested to spec on our Paul Hart-calibrated TV7/U

3 milliamps Plate current draw: 28

RCA 6DS4 Nuvistor Vacuum Valve NOS NIB FV 24 04721 Tube One measured 60 whileThis new old stock, new in box RCA 6DS4 nuvistor 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 TO