General Electric GE 13V10 Vacuum Tube Valve NOS NIB Hardcover Edition perfectly-matched pair of Sylvania 12B4A

perfectly-matched pair of Sylvania 12B4A tubes was tested on our Paul Hart-calibrated TV7/U for shorts

These five GE number / type 27 tubes tested as good on our Paul Hart-calibrated TV7/U

large top and small bottom mica spacers and excellent flashing

Plates: black ladder plate

perfectly-matched pair of Sylvania 6SJ7s was tested on our Paul Hart-calibrated TV7/U for shorts

General Electric GE 13V10 Vacuum Tube Valve NOS NIB Hardcover Edition perfectly-matched pair of Sylvania 12B4AThis GE 13V10 tube 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. PLEASE ALSO SEE OUT ETSY SISTER