National Union NU 813 Vacuum Tube Delco Nonal stout gray plates

stout gray plates

It teats below spec but should work fine in many applications

new in box General Electric 6U10 tube tested to spec on our Paul Hart-calibrated TV7/U

These five GE number / type 27 tubes tested as good on our Paul Hart-calibrated TV7/U

National Union NU 813 Vacuum Tube Delco Nonal stout gray platesThis National Union plate 813 output triode was tested on our Paul Hart calibrated for shorts, gas and transconductance. There were no shorts or gas. It measured 64 where minimum is 40 and new is 74. 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