Raytheon BR Rectifier Detector Vacuum Tube NOS NIB

Raytheon BR Rectifier Detector Vacuum Tube NOS NIBThis tube is new old stock and new in box and is sold as is as I could not find a setting for it on our TV7 U. Will happily test it if you can send me the settings! 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

It has a bottom

hexagonal top mica spacer

This RCA 807 output tube was tested with adapters on our Maxi-Matcher 2 for shorts

46 and 49 where minimum (65%) is 30 and 100% is 47

Tube One has 3225730-3 provenance/date codes

Transconductance measured 56/56 for Tube One and 58/58 for Tube Two where minimum (65%) is 25/25 and 100% is 38

TUBES ARE GUARANTEED GOOD ON SHIPMENT

If you want them both

Zenith-LABELED 6LF6 tube tested 70 on our Paul Hart-calibrated TV7/U where minimum is 54 and new is 100

they were forwarded to West Germany

crenelated

nice flashing and ribbed