RCA 17DQ6 17DQ6B 17GW6 Vacuum Tube Valve NOS NIB 7025 there are no reference numbers

there are no reference numbers on it

These two Arcturus gray bottle type / number 41 tubes tested as follows on our Paul Hart-calibrated TV7/U:

43 and 44 where minimum is (65%) is 36 and 100% is 55

a clear top

This Amperex 8020 half-wave rectifier tube was tested on our Paul Hart-calibrated TV7/U

RCA 17DQ6 17DQ6B 17GW6 Vacuum Tube Valve NOS NIB 7025 there are no reference numbersThis new old stock, new in box RCA 17DQ6 17DQ6B 17GW6 tube tested to spec on our 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