GE 6AU6 6136 Five Star Vacuum Tube Milspec Industrial NOS NIB June 10 2024 black plates and bottom

black plates and bottom

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

These tubes have black plates

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

This new old stock-testing RCA clear top

GE 6AU6 6136 Five Star Vacuum Tube Milspec Industrial NOS NIB June 10 2024 black plates and bottomThis 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