RCA 6BQ7 6BQ7A Vacuum Tube Valve Black Plate NOS NIB For Your Schiit

RCA 6BQ7 6BQ7A Vacuum Tube Valve Black Plate NOS NIB For Your SchiitThis new old stock, new in box RCA 6BQ7 6BQ7A tube tested to spec on our Hickok 800. I played it in my Schiit Vali 2 headphone amplifier. It worked fine and sounded great. 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

This lot of five RCA 25Z5 tubes were tested on our Paul Hart-calibrated TV7/U for emissions

These six new old stock

new in box Sylvania 6JH6 tubes tested to spec on our Paul Hart-calibrated TV7/U

All were made by Sylvania

These eight US-made new old stock

There is no dust jacket

Tube Three measured 27

Tube One measured 64/64 while Tube Two measured 66/66 where minimum (65%) is 50/50 and 100% is 77/77

new in box Zenith 6AD7G tube tested to spec on our Paul Hart-calibrated TV7/U

steel support rods and anode radiators for cooler operation and longer life

new in box Tung-Sol 6K7GT tested to spec on our Paul Hart-calibrated TV7/U

copper support rods and great flashing