RCA 6AK6 Vacuum Tube NOS NIB VT93 Metal This Sylvania milspec / industrial

This Sylvania milspec / industrial 5814 / 12AU7 / ECC82 dual triode was tested on our Paul Hart-calibrated TV7/U for shorts

great flashing and 63-48 188-5 and 64-13 188-5 factory/date codes

likely by GE

new in box RCA 1S4 tubes tested to spec on our Paul Hart-calibrated TV7/U

I just cleaned this four LP set on my VPI 16

RCA 6AK6 Vacuum Tube NOS NIB VT93 Metal This Sylvania milspec / industrialThis RCA 6AK6 vacuum tube and several others just like it tested to spec on our Paul Hart calibrated TV7 U. Three of these tubes are available initially in this Dutch Auction. Etsy will indicate how many are available. 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