Zenith 6DQ4 Vacuum Tube Valve NOS NIB 6MH6 NOS NIB new in box milspec black

new in box milspec black plate GE 6Y6GT / JAN-CG-6Y6GT tubes both tested 56 on our Paul Hart-calibrated TV7/U where minimum (65%) is 40 and 100% is 62

new in box matched pair of RCA black plate 6DQ5 tubes was tested on our Paul Hart-calibrated TV7/U for shorts

These for new old stock

This GE 7E7 tested to spec on our Paul Hart-calibrated TV7/U

It sounds excellent

Zenith 6DQ4 Vacuum Tube Valve NOS NIB 6MH6 NOS NIB new in box milspec blackThis new old stock, new in box Zenith 6DQ4 tube tested to spec on our Paul Hart calibrated TV7 U. BECAUSE OF THE BIZARRE, INTRUSIVE, CRUEL AND DRACONONIAN 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