RCA Mullard 4EH7 LF183 Vacuum Tube NOS NIB Steven Curtis new in box GE 6BD6

new in box GE 6BD6 tubes tested to spec on our Paul Hart-calibrated TV7/U

This new old stock-testing matched pair of Ken-Rad 6N7 dual triodes was tested on our Paul Hart-calibrated TV7/U for shorts

This new old stock-testing engraved base

This matched pair of RCA-MANUFACTURED gray glass 6K6GT tubes was tested on our Maxi-Matcher tube tester with 325 volts on the plates and a bias of -36 volts

5-7 out of ten

RCA Mullard 4EH7 LF183 Vacuum Tube NOS NIB Steven Curtis new in box GE 6BD6This new old stock, new in box RCA LABELED, Mullard MANUFACTURED 4HE7 LF183 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