4 Ken-Rad 50L6 50L6GT Vacuum Tubes Black / Gray Glass Lot Of Four

4 Ken-Rad 50L6 50L6GT Vacuum Tubes Black / Gray Glass Lot Of FourThis lot of four Ken Rad coated glass 50L6GT tubes was tested on our Paul Hart calibrated TV7 U for shorts, gas and transconductance. There were no shorts or gas. They measured 38, 58, 60 and 68 where minimum (65%) is 45. 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

This new old stock-testing matched pair of RCA 6FQ7 / 6CG7 dual triodes was tested on our TV7/U for shorts

copiously-illustrated book is in excellent condition

and dynamics even though these amplifiers use 6J5s

and 117% respectively

US-made 12MD8 tubes tested to spec on our Paul Hart-calibrated TV7/U

new in box US-made 2BN4 / 2BN4A tubes tested to spec on our Paul Hart-calibrated TV7/U

(Transconductance: / where the TV7/U minimum (65%) is 56/56

new in box GE 33GY7A tubes tested to spec on our Paul Hart-calibrated TV7/U

This perfectly-matched septet of new old stock-testing Sylvania 7A7 tubes was tested on our Hickok 800 for shorts

Tube One measured 1610 micromhos and drew 18

This trio of Majestic Mesh plate globe G-24s was tested on our Jackson 648 for shorts

Transconductance measured 82 for Tube One (6AU6A) and 84 (6AU6) for Tube Two where minimum (65%) is 58