General Electric GE 6AM4 Vacuum Tube Valve NOS NIB Coated Tung-Sol Tube Three: 20

Tube Three: 20

Transconductance measured 40

These four Sylvania 7Q7s tested to spec on our Paul Hart-calibrated TV7/U

new in box GE 22JR6 tubes tested to spec on our on our Jackson 648

new in box Zenith 6JH8 tubes tested to spec on our Paul Hart-calibrated TV7/U

General Electric GE 6AM4 Vacuum Tube Valve NOS NIB Coated Tung-Sol Tube Three: 20This 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.