6SB7Y and 6BA7 – VHF pentagrids, 1946 1LA6 and later 1L6 – Battery pentagrid for Zenith Trans-Oceanic and other high-end portable short-wave radios DK91/1R5, DK92/1AC6, DK96/1AB6, DK192 – Battery pentagrids 1C8,1E8 - Subminiature battery pentagrids