Sylvania 8BQ11 Vacuum Tube Valve NOS NIB Eroica new in box GE black

new in box GE black plate 6CL6 tubes was tested on our Paul Hart-calibrated TV7/U for shorts

They are dead quiet when the preamp is muted and have excellent frequency response

new in box DuMont 6LU8 tube tested to spec on our Paul Hart-calibrated TV7/U

I played it in one of my Radio Craftsmen RC-2 monoblocks and it sounds outstanding even though it tests on the cusp

This lot of five RCA new old stock

Sylvania 8BQ11 Vacuum Tube Valve NOS NIB Eroica new in box GE blackThis new old stock, new in box Sylvania 8BQ11 tested to spec on our Paul Hart calibrated TV7 U. BECAUSE OF THE BIZARRE, INTRUSIVE AND DRACONIAN GERMAN PACKAGING REGULATIONS AND THE SEVERE FINES AND PRIVACY INTRUSIONS ASSOCIATED WITH THEM WE NO LONGER SHIP TO GERMAN ADDRESSES. WE WILL HAPPILY SEND YOUR PACKAGE TO A NEIGHBORING COUNTRY OR MAKE SUITABLE ARRANGEMENTS. IN 2021 WE PURCHASED 150,000 VACUUM TUBES. IF IT'S NOT LISTED, WE PROBABLY HAVE IT.