Delco 6Z7 6Z7G Vacuum Tube Valve NOS NIB Tall Base Tube Three (triode): 51

Tube Three (triode): 51

They tested (from left to right

They were made by Ken-Rad although one is branded "Crosley

gray ladder-plates

" "Water In The Lake

Delco 6Z7 6Z7G Vacuum Tube Valve NOS NIB Tall Base Tube Three (triode): 51This new old stock, new in box Sylvania 6Z7G tube tested to spec on our Paul Hart calibrated TV7 U. BECAUSE OF THE BIZARRE, INTRUSIVE AND DRACONONIAN PACKAGING REGULATIONS AND THE SEVERE FINES AND PRIVACY INTRUSIONS ASSOCIATED WITH THEM WE WILL NO LONGER SHIP TO GERMAN ADDRESSES FROM JUNE 1, 2022. 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