Raytheon Number / Type 41 #41 Vacuum Tube Black Plate Clear Bottle Engraved Base NOS-Testing Special Director's an anode radiator for cooler

an anode radiator for cooler operation and longer tube life and a banded-cross top mica spacer

new in box RCA 6E5 magic eye indicator tube is nice and bright

Plates: gray ladder plate

I am listening as I write and this album sounds pretty good with only an occasional click and pop

Transconductance measured 46 for Tube One and 48 for Tube Two where minimum (65%) is 40

Raytheon Number / Type 41 #41 Vacuum Tube Black Plate Clear Bottle Engraved Base NOS-Testing Special Director's an anode radiator for coolerThis new old stock testing Raytheon number type 41 tube tested 61 on our Paul Hart calibrated TV7 U where minimum (65%) is 40 and 100% is 62. It has an anode radiator for cooler operation and longer tube life; an engraved base; black plates, a clear bottle; a dimple sheet getter and outstanding flashing. 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