Jim Marks always enjoyed ham radio and often sought opportunities to learn more about audio equipment. He was working as a radio station engineer for Progressive Broadcasting when he heard of an opening at Crown International. He joined the company in 1970 as a service repair technician and his career developed over time, and eventually he progressed to Associate Engineer, Sustaining Engineering Manager, and then Manufacturing Engineer for Crown. He was proud of the many products he worked on during his nearly 38 years with the company including the PSA2 amplifiers.
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