3 US-Made 14BL11 Vacuum Tubes Valves NOS NIB Lot Of Three Engraved NOS-Testing new in box black plate

new in box black plate CBS-Hytron 6W4GT tested to spec on our Paul Hart-calibrated TV7/U

This new old stock-testing Silvertone round plate type 56 triode was tested on our Paul Hart-calibrated TV7 for shorts

(New US-made 7408s typically test with plate current from the mid-teens to mid-30s with transconductance from 2300 micromhos or so

It’s a good pressing of a 1954 performance from right on the cusp of mono high fi

There was no gas and it tested 2170 micromhos with a plate current draw of 25

3 US-Made 14BL11 Vacuum Tubes Valves NOS NIB Lot Of Three Engraved NOS-Testing new in box black plateThese three new old stock, new in box US made 14BL11 tubes tested to spec on our Paul Hart calibrated TV7 U. BECAUSE OF THE BIZARRE, CRUEL, 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