RCA Cunningham Radiotron Number Type 78 #78 Vacuum Tube Mesh Plate NOS-Testing Gebraucht 50B5 Sorry I cannot say how

Sorry I cannot say how they sound

It has black plates

44 and 46 where minimum is (65%) is 36 and 100% is 55

This lot of three GE 12J5 triodes were tested on our Paul Hart-calibrated TV7/U for shorts

GM-BRANDED 6SK7 tested as good on our Paul Hart-calibrated TV7/U

RCA Cunningham Radiotron Number Type 78 #78 Vacuum Tube Mesh Plate NOS-Testing Gebraucht 50B5 Sorry I cannot say howThis mesh plate RCA Cunningham Radiotron number 78 tube tested 54 on our Paul Hart calibrated TV7 U where minimum (65%) is 36 and 100% is 56. 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