Sylvania Coronado 71A Vacuum Tube Matched Pair 6AK5 but also have much lower

but also have much lower gain

They tested (from left to right) as follows: 52 and 55 where minimum (65%) is 40 and 100% is 62

Realistic / Radio Shack-BRANDED 12AU6 tube tested to spec on our Paul Hart-calibrated TV7/U

These five RCA 6GX6 / 6GY6 tubes tested to spec on our Paul Hart-calibrated TV7/U

Sylvania Coronado 71A Vacuum Tube Matched Pair 6AK5 but also have much lowerThis Sylvania MANUFACTURED Coronado LABELED 71A tested 46 on our Paul Hart calibrated TV7 U where new nominal is 42. It has a banded, phi shaped top mica spacer, a dimpled sheet getter and a ribbed plate with four rectangular holes. 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