General Electric GE 6AM4 Vacuum Tube Valve NOS NIB Coated Tung-Sol new in box US-made 6S8GT

new in box US-made 6S8GT tubes tested to spec on our Paul Hart-calibrated TV7/U

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

new in box US-made 12K5 tubes tested to spec on our Paul Hart-calibrated TV7/U

new in box Amperex-MANUFACTURED mesh plate 5U9 / LCF201 tubes tested to spec on our Paul Hart-calibrated TV7/U

Transconductance measured 40

General Electric GE 6AM4 Vacuum Tube Valve NOS NIB Coated Tung-Sol new in box US-made 6S8GTThis new old stock, new in box GE 6AM4 tube tested to spec on our Paul Hart calibrated TV7 U. BECAUSE OF THE BIZARRE, INTRUSIVE, CRUEL 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.