Japan

Optonica was a consumer electronics brand that gained popularity for its high-quality audio components, including amplifiers, receivers, and various other audio equipment. The brand emphasized innovative design and cutting-edge technology in its products during its operating years.

Optonica

The Optonica SM-4545 is an integrated amplifier developed by Optonica, a brand under Sharp Corporation, specializing in audio equipment during the 1970s and 1980s. This model is recognized for its robust construction and clarity of sound. It operates with a nominal output power, typically catering to moderately sized listening environments. The design includes multiple input selections for different audio sources and often features substantial control knobs and switches for user interaction.

SM-4545

by Optonica

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