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 RT-9100 is a stereo receiver that was produced during the late 1970s and is typically appreciated for its distinctive design and solid build quality. It features a sleek front panel with an analog dial, which adds to its vintage aesthetic. The receiver is equipped with various functionalities, including a built-in AM/FM tuner, multiple input options, and powerful amplification capabilities. The RT-9100 operates with high output power, making it suitable for driving a wide range of speakers. Users often highlight its performance in providing rich, dynamic sound, ideal for various audio applications including music and home theater setups. Key specifications include an output power rating of approximately 70 watts per channel at 8 ohms, a frequency response that extends from 20 Hz to 20 kHz, and a selective tuner with good sensitivity and selectivity. The build quality is noted for using durable materials, contributing to its longevity and functionality over time.

RT-9100

by Optonica

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