6 RCA 17AY3 17AY3A 17BS3 17BS3A Vacuum Tubes Valves NOS NIB Lot Of Six 17AY3A T31 T55 This RCA Radiotron number /

This RCA Radiotron number / type 80 rectifier tube was tested on our Paul Hart-calibrated TV7/U

and dynamics

It has a dimpled sheet getter

new in box milspec Sylvania JAN-0A2WA tube -- and another just like it -- tested to spec on our Paul Hart-calibrated TV7/U

It sounds very good with an occasional pop and tick audible in the pianissimo passages

6 RCA 17AY3 17AY3A 17BS3 17BS3A Vacuum Tubes Valves NOS NIB Lot Of Six 17AY3A T31 T55 This RCA Radiotron number /These six new old stock, new in box RCA 17AY3 17AY3A 17BS3 17BS3A 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