12 US-Made 6KY8 6KY8A Vacuum Tubes NOS NIB Lot Of Twelve July 18 2022 I have played it in

I have played it in my Bottlehead Crack headphone amplifier

but They are more cosmetic than anything else

THERE ARE NO MANUFACTURERS TO TAKE PRODUCT BACK BECAUSE OF DESIGN FAILURES OR QUALITY-CONTROL ISSUES

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

new in box Raytheon 9CL8 tube tested to spec on our Paul Hart-calibrated TV7/U

12 US-Made 6KY8 6KY8A Vacuum Tubes NOS NIB Lot Of Twelve July 18 2022 I have played it inThis lot of twelve new old stock, new in box US made 6KY8A 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