5 RCA 6BK5 Vacuum Tubes NOS NIB Lot Of Five

5 RCA 6BK5 Vacuum Tubes NOS NIB Lot Of FiveThese five new old stock, new in box RCA 6BK5 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

I am playing them in my single-ended Mini Mite (with two sets of adapters

This trio of Westinghouse black plate 6CG7 / 6FQ7 dual triodes was tested on our Paul Hart-calibrated TV7/U for shorts

These tubes are the equivalent of the Chinese / Russian 6J1 and 6J2

There was no shorts or gas

4-17 188-5 and 2-48 188-5 date/provenance codes

Variations On A Theme Of Mozart

new in box GE 6AS8 tubes tested to spec on our Paul Hart-calibrated TV7/U

This is a very-well-preserved LP

It measured 64 where minimum is 40 and new is 74

This Sylvania 484 tested 40 on our Paul Hart-calibrated TV7/U where minimum (65%) is 33

This — and another — new old stock

This lot of three Ken-Rad 6AC7s was tested on our Paul Hart-calibrated TV7/U for shorts