RCA Number / Type 37 #37 Vacuum Tube NOS NIB 1st Quarter BW03 dimpled-sheet getters and terrific flashing

dimpled-sheet getters and terrific flashing

copper support rods and great flashing

The Ken-rad's base is loose

Transconductance measured 44 and 48 where minimum (65%) is 35

new in box (for Tube Two) GE 12SN7GT dual triodes was tested on our Jackson 648 Mutual Conductance tester for shorts

RCA Number / Type 37 #37 Vacuum Tube NOS NIB 1st Quarter BW03 dimpled-sheet getters and terrific flashingThis new old stock, new in box RCA Number 37 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