DuMont 6GV5 Vacuum Tube Valve NOS NIB

DuMont 6GV5 Vacuum Tube Valve NOS NIBThis new old stock, new in box DuMont 6GV5 tube tested to spec on our Paul Hart calibrated TV7 U. 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 ARE AUTOMATICALLY INSURED UP TO $100. ETSY PURCHASE PROTECTION COVERS ITEMS UP TO $250

Etsy will indicate how many of these are available in this listing

selected 6L6s

68 and 69 where minimum is 45

Setchell-Carlson-BRANDED 6GF7A tubes tested to spec on our Paul Hart-calibrated TV7/U

4 milliamps' plate current while Tube Two drew 21

45/49 and 48/48 on our Paul Hart-calibrated TV7/U where minimum (65%) is 40/40

new in box Sylvania 6U8A (ECF82 / 6AX8 / 5KD8 / 6KD8) pentode/triode was tested on our Paul Hart-calibrated TV7/U for shorts

This RCA 6JE6A tube tested 93 on our Paul Hart-calibrated TV7/U where minimum is 54 and new is 100

They measured 85/66 for Tube One and 85/70 for Tube Two where minimum (65%) is 57/57 and 100% is 88/88

Both tubes have gray

nearly-perfectly-matched pair of GE 6SJ7s was tested on our Paul Hart-calibrated TV7/U for shorts

This new in box JJ 6BQ5 was tested on our Maxi-Matcher with 325 volts on the plates and a bias of -14 volts for shorts