Realistic Radio Shack Gold Clad 3V4 Vacuum Tube NOS NIB Grayston Burgess These four US-made 12SC7 tubes

These four US-made 12SC7 tubes tested as follows on our Paul Hart-calibrated TV7/U:

new in box matched pair of Raytheon 6SD7GT / JAN-CRP-6SD7GT pentodes was tested on our Paul Hart-calibrated TV7 for shorts

This lot of seven RCA industrial-grade 1852 (6AC7) tubes was tested on our Paul Hart-calibrated TV7/U for shorts

new in box and tested to spec on our Paul Hart-calibrated TV7/U

Realistic Radio Shack Gold Clad 3V4 Vacuum Tube NOS NIB Grayston Burgess These four US-made 12SC7 tubesThis new old stock, new in box Realistic (Radio Shack) Gold Clad 3V4 tube tested to spec on our Paul Hart calibrated TV7 U. It was made in the US, likely by GE. 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