Sylvania Coronado 71A Vacuum Tube Matched Pair 6AK5 but I have not been

but I have not been able to find a commercially-made amplifier for them and have had no time to build one

new in box Hytron 19BG6G tubes tested to spec on our Paul Hart-calibrated TV7/U

There were no shorts or gas and they measured 44 and 46 where minimum (65%) is 31

the distance is 2 1/4 inches

but also have much lower gain

Sylvania Coronado 71A Vacuum Tube Matched Pair 6AK5 but I have not beenThis 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