“Early major producer of vacuum tubes” crossword clue

Reveal the answer to see why it works and where this clue has appeared before.RCA is the answer to the New York Times crossword clue “Early major producer of vacuum tubes”. It was last seen in the puzzle of October 25, 2025, where it runs at 50 Down and fills 3 squares. It crosses 3 other entries in that grid — those are listed below and are the quickest way to confirm the letters you already have.