5 US-Made 6C6 Vacuum Tubes Valves Shoulder Shape NOS NIB Lot Of Five 6AL7 NOS NIB They tested 51/52

They tested 51/52

It sounds very good with light surface noise and the occasional click and pop

new in box General Electric 6U10 tube tested to spec on our Paul Hart-calibrated TV7/U

There were no shorts or gas and they all measured 2200 micromhos where new/nominal is 2000 and minimum (65%) is 1300

new in box DOT-39 20K To 30K center-tapped interstage transformer is sold as-is as I have no means of testing this output transformer

5 US-Made 6C6 Vacuum Tubes Valves Shoulder Shape NOS NIB Lot Of Five 6AL7 NOS NIB They tested 51/52This lot of five new old stock, new in box US made 6C6 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