Sylvania 17BW3 Vacuum Tube Valve NOS NIB

Sylvania 17BW3 Vacuum Tube Valve NOS NIBThis new old stock, new in box Sylvania 17BW3 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.

"Britain" is printed on the tube itself and there appears to be an incomplete Amperex-style code near the base

IT IS YOUR RESPONSIBILITY TO INTERACT WITH YOUR CUSTOMS AND POSTAL AUTHORITIES TO FIND THE PACKAGE

This octet of RCA 1632 tubes was tested on our Paul Hart-calibrated TV7 for shorts

This matched pair of Ken-Rad Type 35 tubes was tested on our Paul Hart-calibrated TV7/U for shorts

Six are available initially

transconductance and gain and on our TV7/U for a more-commonly-used reference

This pair of new old stock

WE CANNOT TEST FOR CATASTROPHIC FAILURE

new in box Westinghouse 12EH5 tubes

There is a shield between the triodes for reduced cross talk

They measured 22

This United 805 output triode was tested on our Paul Hart-calibrated TV7/U with 180 volts on the plates and a bias of 0 volts for shorts