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 ST-7100 is an integrated stereo amplifier produced in the late 1970s. It is characterized by its solid build quality and straightforward design, appealing to audio enthusiasts seeking reliable sound reproduction. The amplifier typically features a power output of around 50 watts per channel into 8 ohms, making it suitable for driving various speaker types. The ST-7100 includes a range of inputs for various audio sources, including phono, tuner, and auxiliary connections. Its tone control section allows users to adjust bass and treble levels according to their listening preferences. Additionally, the amplifier usually comes with a headphone jack and possibly a loudness function to enhance sound quality at lower volumes. The appearance of the ST-7100 often includes a brushed aluminum faceplate, with clearly labeled knobs and switches for easy operation. The overall design reflects the aesthetic style of the era, combining functionality with a pleasing visual appeal.

ST-7100

by Optonica

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