International 6HS5 Vacuum Tube Valve NOS NIB Melody Sings That song was a monster

That song was a monster hit and defined an entire summer if my memory is correct

This matched pair of RCA Radiotron number 89 tubes was tested on our Paul Hart-calibrated TV7/U for shorts

Just a few pops and ticks in the quietest passages

64 and 70 on our Paul Hart-calibrated TV7/U where minimum (65%) is 50

This tube has two additional vertical support rods

International 6HS5 Vacuum Tube Valve NOS NIB Melody Sings That song was a monsterThis new old stock, new in box International 6HS5 tube 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