Teletronix founder Jim Lawrence first used photocells for controlling audio gain in the early 1960s. His ingenious optical compression design was a technological breakthrough, far surpassing the stability and transparency of earlier circuits. Universal Audio founder Bill Putnam later purchased this patented technology, and continued to manufacture the LA-2A for years to come.
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ALL IMAGES ARE THE COPYRIGHT OF VINTAGE DIGITAL AND CAN NOT BE USED WITHOUT WRITTEN PERMISSION