3 US-Made 14BL11 Vacuum Tubes Valves NOS NIB Lot Of Three Engraved NOS-Testing

3 US-Made 14BL11 Vacuum Tubes Valves NOS NIB Lot Of Three Engraved NOS-TestingThese 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

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

This matched pair of Philips Miniwatt PCF80 / 9U8 tubes was tested on our Paul Hart-calibrated TV7/U for shorts

PETTY AND DRACONONIAN GERMAN PACKAGING REGULATIONS -- AND THE SEVERE FINES AND PRIVACY INTRUSIONS ASSOCIATED WITH THEM -- WE NO LONGER SHIP TO GERMAN ADDRESSES

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

Tube Four: 42

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

mica snubbers

It measured 36/39 where minimum (65%) is 18/18 and 100% is 28/28

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

new in box GE 6AS8 tubes tested to spec on our Paul Hart-calibrated TV7/U

This tube has anode radiators for cooler operation and longer tube life

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