4 Tung-Sol 12A8 12A8GT Vacuum Tubes Valves Lot Of Four 9581 new in box US-made 38HE7

new in box US-made 38HE7 tubes tested to spec on our Paul Hart-calibrated TV7/U

This Telefunken ECH81 / 6AJ6 was tested on our Paul Hart-calibrated TV7 for shorts

Not for use in guitar and bass amps

dimpled-sheet getter

43 and 44 where minimum (65%) is 30 and 100% is 47

4 Tung-Sol 12A8 12A8GT Vacuum Tubes Valves Lot Of Four 9581 new in box US-made 38HE7These four Tung Sol 12A8GT tubes were tested for shorts, gas and transconductance on our Paul Hart calibrated TV7 U and measured as follows: 19, 24, 32 and 34 where minimum (65%) is 29. 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 EXCEPT MEDIA MAIL