2 RCA 6LU8 Vacuum Tubes Valves NOS NIB Lot Of Two Backup Tubes T04 I have played them in

I have played them in my Radio Craftsmen RC-2 monoblocks and they are dead quiet when the CD player is paused and have excellent frequency response

They tested 54

It is probably a Mullard

RCA-BRANDED 6HG8 / ECF86 tubes tested to spec on our Paul Hart-calibrated TV7/U

new in box RCA 6GF7 / 6GF7A tubes tested to spec on our Paul Hart-calibrated TV7/U

2 RCA 6LU8 Vacuum Tubes Valves NOS NIB Lot Of Two Backup Tubes T04 I have played them inThese two new old stock, new in box RCA 6LU8 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