2 RCA 1851 Vacuum Tubes Valves Industrial Version Lot Of Two Triode 2A3 Drawer This Philco globe / balloon-style

This Philco globe / balloon-style bottle number 36 tube tested 24 on our Paul Hart-calibrated TV7/U where minimum (65%) is 26 and 100% is 40

Transconductance measured 57/62 for Tube One and 62/62 for Tube Two where minimum (65%) is 50

a crenelated

They measured 23

2 RCA 1851 Vacuum Tubes Valves Industrial Version Lot Of Two Triode 2A3 Drawer This Philco globe / balloon-styleThese two industrial grade RCA 1851 pentodes were tested on our Paul Hart calibrated TV7 U for shorts, gas and transconductance. There were no shorts or gas. They measured 35 and 44 where minimum (65%) is 25 and 100% is 38. 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.