4 US-Made 12F5 12F5GT Vacuum Tubes Valves NOS NIB Lot Of Four Symphony Orchestra new in box 7F8 tubes

new in box 7F8 tubes tested to spec on our Paul Hart-calibrated TV7/U

IF IT'S NOT LISTED

new in box GE 21GY5 tubes tested to spec on our Paul Hart-calibrated TV7/U

This new old stock-testing RCA 6CG7 / 6FQ7 dual triode tested a perfectly-balanced 2600/2600 micromhos on our Hickok 800

4 US-Made 12F5 12F5GT Vacuum Tubes Valves NOS NIB Lot Of Four Symphony Orchestra new in box 7F8 tubesThree of these four new old stock, new in box 12F5GT tubes tested to spec on our Paul Hart calibrated TV7 U. The Zenith is hermetically sealed and could not be tested. 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