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-105 is a stereo integrated amplifier that was produced in the late 1970s and is recognized for its distinctive design and robust performance parameters. This amplifier features a power output of 45 watts per channel at 8 ohms, delivering a warm and immersive audio experience suitable for a variety of listening environments. The SM-105 incorporates multiple input options, including phono, tape, and auxiliary inputs, making it versatile for connecting various audio sources. It also includes tone controls for bass and treble adjustments, allowing listeners to customize their sound preferences. The build quality is solid, characterized by a metal chassis and wooden side panels, contributing to its aesthetic appeal and durability. The amplifier utilizes a Class A/B output stage, which enhances sound clarity and reduces distortion, making it pleasing to a wide range of audio enthusiasts. The unit is equipped with a headphone jack, control for balance, and various speaker outputs, providing flexibility for different setups.  Its vintage appeal and performance capabilities make it a sought-after piece for those interested in classic audio equipment.

SM-105

by Optonica

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