2 General Electric GE Type / Number 58 #58 Vacuum Tubes Valves Lot Of Two 0-449-90019-3 new in box Hytron 6AD7G

new in box Hytron 6AD7G tube tested to spec on our Paul Hart-calibrated TV7/U

new in box RCA 7B6 tubes tested to spec on our Paul Hart-calibrated TV7/U

I am playing them played them in one of my Radio Craftsman RC-2 monoblocks and they sound great

The Ken-rad's base is loose

These four RCA-Radiotron type / number 41 tubes tested as follows on our Paul Hart-calibrated TV7/U:

2 General Electric GE Type / Number 58 #58 Vacuum Tubes Valves Lot Of Two 0-449-90019-3 new in box Hytron 6AD7GThis lot of two GE number type 58 tubes was tested on our Paul Hart calibrated TV7 U for shorts, gas and transconductance. They measured 48 and 56, respectively, where minimum (65%) is 36. 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