What violin did Jascha Heifetz play?

Jascha Heifetz primarily played a Stradivarius violin, specifically the "ex-Ladenburg" Stradivarius from 1714. This instrument is renowned for its exceptional quality and sound, which contributed significantly to Heifetz's renowned performances. Heifetz's mastery and the Stradivarius combined to create a distinctive musical voice that left a lasting impact on the world of Classical Music.