The Optonica SM-5100 is a stereo receiver that exemplifies the advanced audio technology of its time, delivering high-quality sound performance. It features a robust build, with a sleek design that showcases its vintage aesthetic. The SM-5100 is equipped with a variety of input options, enabling users to connect multiple audio sources. The receiver includes a built-in phono stage for vinyl enthusiasts, as well as auxiliary and tape inputs. Furthermore, the SM-5100 supports multiple speaker outputs, making it versatile for different audio setups. The front panel includes easy-to-read tuning indicators, equalization controls, and a volume knob for straightforward user operation.
In terms of specifications, the Optonica SM-5100 typically offers an output power of approximately 50 watts per channel into an 8-ohm load. The frequency response ranges from 20 Hz to 20 kHz, with harmonic distortion values generally around 0.1% at rated power. It also includes AM/FM radio capabilities, complete with a built-in tuner for improved broadcast reception. The receiver is constructed to minimize noise levels, ensuring clean and clear audio output. The SM-5100 often features both manual and auto-tuning options for user convenience, along with a loudness button to enhance low frequencies at low volume levels.
