GE 6AU6 6136 Five Star Vacuum Tube Milspec Industrial NOS NIB June 10 2024

GE 6AU6 6136 Five Star Vacuum Tube Milspec Industrial NOS NIB June 10 2024This new old stock, new in box GE 6AU6 6136 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 IN

black plates and bottom

These three RCA engraved bottle 6C5s were tested on our Paul Hart-calibrated TV7/U for shorts

These seven Sylvania-made 3CB6 tubes tested to spec on our Paul Hart-calibrated TV7/U

These two Arcturus gray bottle type / number 41 tubes tested as follows on our Paul Hart-calibrated TV7/U:

Transconductance measured 35 for Tube One and 36 for Tube Two where minimum (65%) is 25 and 100% is 38

new in box matched pair of RCA 6AK5 tubes was tested on our Paul Hart-calibrated TV7/U tester for shorts

These tubes have black plates

Tube One measured 31 while Tube Two measured 32 where minimum (65%) is 22

(Minimum (65%) is 46

This new old stock-testing RCA clear top

This new old stock-testing matched pair of Ken-Rad 6SJ7s was tested on our Paul Hart-calibrated TV7/U for shorts

There were no shorts or gas and they measured 52/52