RCA Mullard 4EH7 LF183 Vacuum Tube NOS NIB Steven Curtis This new old stock-testing matched

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

2 milliamps' plate current / 1810 micromhos

5 record cleaner and then played it on my solid state rig which consists of a Rega Planar Three with an Ortofon X5-MC cartridge on an RB-300 tone arm with an Adcom GFP-555 II preamp feeding a Hafler SE240 power amplifier and PSB Alpha near-field monitors

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

new in box Sylvania 9JW8 / PCF802 tube tested to spec on our Paul Hart-calibrated TV7/U

RCA Mullard 4EH7 LF183 Vacuum Tube NOS NIB Steven Curtis This new old stock-testing matchedThis 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