5 RCA 12CR6 Vacuum Tubes NOS NIB Sleeve Of Five Treasure Press This pressing has moderate surface

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

These tubes have great bass and sparkling highs and Pete Ham's voice is warm and clear as a bell

It has an engraved / stamped base

Philco-LABELED 6K6GT tubes was tested on our Maxi-Matcher 400 volts on the plates and a bias of -36 volts for shorts

It measured 50/46 where minimum (65%) is 40/40 and 100% is 62/62

5 RCA 12CR6 Vacuum Tubes NOS NIB Sleeve Of Five Treasure Press This pressing has moderate 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