5 RCA 6GX6 / 6GY6 Vacuum Tubes NOS NIB Lot Of Five Black And Silver It is extremely-quiet with nice

It is extremely-quiet with nice fidelity

new in box US-made 12K7GT tubes tested to spec on our Paul Hart-calibrated TV7/U

I played this tube this morning it in my Bottlehead Crack headphone amp with Sennheiser SD 580s and it sounded excellent

I cannot guarantee that the copper-colored finish is rose gold

5 RCA 6GX6 / 6GY6 Vacuum Tubes NOS NIB Lot Of Five Black And Silver It is extremely-quiet with niceThese five RCA 6GX6 6GY6 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 ITEMS UP TO $250 IN VALUE. IF AN