Cunningham 6C6 Vacuum Tube Beautiful Gray & Silver Shoulder ST Style Engraved / Stamped Base Toshiba 6CG7 new in box Zenith 17CK3

new in box Zenith 17CK3 tubes tested to spec on our Paul Hart-calibrated TV7/U

NOR IS THERE A WAY TO DETERMINE WHETHER THEY MAY HAVE FATAL FLAWS

shiny black plates and copper support rods

Oh Sweetheart

This Soviet-era pressing has very-light surface noise audible only in quiet passages

Cunningham 6C6 Vacuum Tube Beautiful Gray & Silver Shoulder ST Style Engraved / Stamped Base Toshiba 6CG7 new in box Zenith 17CK3This RCA Cunningham 6C6 tested at 38 on our Paul Hart calibrated TV7 U where minimum (65%) is 31. It has a nifty, nostalgic Coke bottle shape; gray and silver coatings and an engraved stamped base. 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