6 Amperex Matsushita 12HL7 Vacuum Tubes NOS NIB Lot Of Six Perfectly Balanced This pressing has light surface

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

new in box US-made 6CY5 tubes tested to spec on our Paul Hart-calibrated TV7/U

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

This (most likely) Sylvania-MANUFACTURED Wizard-BRANDED number / type 80 rectifier tube was tested on our Paul Hart-calibrated TV7/U

These tubes have gray coated bottles

6 Amperex Matsushita 12HL7 Vacuum Tubes NOS NIB Lot Of Six Perfectly Balanced This pressing has light surfaceThese 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