5 RCA 12CR6 Vacuum Tubes NOS NIB Sleeve Of Five Treasure Press It has very light surface

It has very light surface noise

It has an engraved / stamped base

This pressing has moderate surface noise audible in quiet passages and in moderate passages

Both tubes measured 72 where minimum (65%) is 55 and 100% 85

new in box GE 6GF7A tubes tested to spec on our Paul Hart-calibrated TV7/U

5 RCA 12CR6 Vacuum Tubes NOS NIB Sleeve Of Five Treasure Press It has very light surfaceThis sleeve of five new old stock, new in box RCA 12CR6 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 PURCHASE PROTECTION COVERS