5 Amperex 6R3 EY81 Vacuum Tubes Valves NOS NIB Lot Of Five June 03 2025 new in box Tung-Sol 6AK6

new in box Tung-Sol 6AK6 tubes tested to spec on our Paul Hart-calibrated TV7/U

This amp was designed to use 6SN7s and I do not recommend using 12SN7s

These eleven US-made number / type 27 tubes tested below the cusp -- some far below

It’s a good pressing of a 1954 performance from right on the cusp of mono high fi

terrific flashing and GJ MVWV date codes

5 Amperex 6R3 EY81 Vacuum Tubes Valves NOS NIB Lot Of Five June 03 2025 new in box Tung-Sol 6AK6These five new old stock, new in box Amperex 6R3 EY8 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 OF THE TUBES WE SELL ARE OVER 70 YEARS OLD. WE CANNOT GUARANTEE FOR FAILURES AFTER POWER UP AS THERE IS NO WAY