Categories design Mickey Hart | design When the Grateful Dead needed a quality sound system to deliver our sonic payload, I learned electronics and speaker design. Post author By Beautiful Quotes Post date December 10, 2022 No Comments on Mickey Hart | design When the Grateful Dead needed a quality sound system to deliver our sonic payload, I learned electronics and speaker design. Mickey Hart Tags design,, Mickey Hart ← Samuel E. Morison | design → John Baldacci | design Leave a Reply Cancel replyYour email address will not be published. Required fields are marked *Comment * Name * Email * Website Save my name, email, and website in this browser for the next time I comment. Δ