RCA 931 931A Photomultiplier Vacuum Tube Voronezh Girls Vocal mesh plate number 78 tube

mesh plate number 78 tube were tested on our Paul Hart-calibrated TV7/U for shorts

new in box Ken-Rad 35Z6 output tube tested to spec on our Paul Hart-calibrated TV7/U

This trio of RCA 6K7 tubes were tested on our Paul Hart-calibrated TV7/U for shorts

CHINA IS AN EXCELLENT EXAMPLE

the centering pin is missing on Tube One and Tube Two's base is cracked

RCA 931 931A Photomultiplier Vacuum Tube Voronezh Girls Vocal mesh plate number 78 tubeThis RCA 931A photomultiplier tube could not be tested and are sold as is. 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 IN VALUE. IF AN ITEM IS