Raytheon 2B7 Vacuum Tube Valve NOS NIB On Tour

Raytheon 2B7 Vacuum Tube Valve NOS NIB On TourThis Raytheon 2B7 tube tested to spec on our Paul Hart calibrated TV7 U. IN 2021 WE PURCHASED 150,000 VACUUM TUBES. IF IT'S NOT LISTED, WE MAY HAVE IT. PLEASE ALSO SEE OUR 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 OF THE TUBES WE SELL ARE OVER 70 YEARS OLD. WE CANNOT GUARANTEE FOR FAILURES AFTER POWER UP AS THERE IS NO WAY TO DETERMINE HOW TUBES WILL INTERACT

mica snubbers for increased rigidity and lowered microphonics and excellent flashing

They have REI and Y3E date codes

MOST OF THE TUBES WE SELL ARE OVER 50 YEARS OLD

This Soviet-era pressing has very-light surface noise audible only in quiet passages

45 and 48 where minimum is (65%) is 36 and 100% is 55

new in box milspec RCA JAN-CRC-884 / VT-222 tubes tested to spec on our Paul Hart-calibrated TV7/U

tiny nicks

new in box Raytheon 6BC7 tubes tested to spec on our Paul Hart-calibrated TV7/U

It has dual D getters

This lot of four Hytron coated glass 50L6GT tubes was tested on our Paul Hart-calibrated TV7/U for shorts

The used Westinghouse 12D4 tested as Good on the English scale on our Hickok 800 and had no emissions drop with the filament at five rather than 6

Tube Two (triode): 32