3 General Electric GE 6BD6 Vacuum Tubes NOS NIB Lot Of Three Consolidate new in box Raytheon 6BL8

new in box Raytheon 6BL8 / ECF80 tube tested to spec on our Paul Hart-calibrated TV7/U

It is dead quiet when the preamp is muted and has excellent frequency response

45 and 48 where minimum (65%) is 40 and 100% is 62

new in box US-made 6CG8A tubes tested to spec on our Paul Hart-calibrated TV7/U

I have played it in my Bottlehead Crack headphone amplifier and it sounds terrific

3 General Electric GE 6BD6 Vacuum Tubes NOS NIB Lot Of Three Consolidate new in box Raytheon 6BL8These three new old stock, new in box GE 6BD6 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