6 Amperex Matsushita 12HL7 Vacuum Tubes NOS NIB Lot Of Six Perfectly Balanced These three US-made milspec VR-150

These three US-made milspec VR-150 / VT-139 / 0D3A tubes tested to spec in our Hickok 800

new in box GE 12EQ7 tube tested to spec on our Paul Hart-calibrated TV7/U

Interesting aside: my paternal great aunt who was from Atlanta did a screen test for "Gone With The Wind

This pressing has light surface noise audible in quiet passages and barely audible in voice-level passages

new in box Zenith 100-79 ballast tube -- and another just like it -- tested to spec on our Paul Hart-calibrated TV7/U

6 Amperex Matsushita 12HL7 Vacuum Tubes NOS NIB Lot Of Six Perfectly Balanced These three US-made milspec VR-150These six new old stock, new in box Amperex BRANDED, Matsushita MANUFACTURED 12HL7 tubes 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