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

Raytheon Number / Type 41 #41 Vacuum Tube Black Plate Clear Bottle Engraved Base NOS-Testing Special Director'sThis 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

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

(New Russian EL84s typically test from the mid 20s to mid 60s with transconductance from 5000 micromhos

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

ironically reflect the communist dictum of "The capitalists will sell us the rope with which we hang them

-- GE 6L6GC output tube was tested on our Maxi-Matcher with 400 volts on the plates and a bias of -48 volts for shorts

This new old stock-testing matched pair of National Union-MANUFACTURED

an silkscreened base

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

This lot of three US-made type 42 tubes was tested our Paul Hart-calibrated TV7/U for shorts

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

Plates: gray ladder plate

bottom mica spacers with rectangular top-mica spacers