3 RCA 6B10 Vacuum Tubes Valves NOS NIB Lot Of Three 8 Lot Of Eight new in box RCA 6DS4

new in box RCA 6DS4 nuvistor tube tested to spec on our Paul Hart-calibrated TV7/U

Tube One drew 14

top mica spacers with smooth-sided rectangular bottom mica spacers

and their top mica spacers have two X patterns incised into them

I am playing them with adapters (not included) in my Radio Craftsmen RC-2 monoblocks and they sound great

3 RCA 6B10 Vacuum Tubes Valves NOS NIB Lot Of Three 8 Lot Of Eight new in box RCA 6DS4These three new old stock, new in box RCA 6B10 tubes 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