With [Frank Olson]’s work on a 1958 Ampex 601 tape recorder though we were pleasantly surprised, because while he makes a modification to allow its use as a stand-alone microphone preamplifier ...

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Dolby Laboratories was founded by Ray Dolby, who started his career in high school, when he went to work part-time for Ampex Corporation in Redwood City, California. While still in college ...