The following is posted on behalf of Joe's daughter.Today the world lost a great leader, creative inventor and entrepreneur in the audio world.Joseph Frederick Grado, founder and creator of Grado Labs and Signature Products, passed away this morning. On his behalf, I would like to thank you all for the support of his products, your friendship to my father and for contributing to his success in the audio world.Thank you,Evelyn Grado-Wolynies

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