The Marantz 105 is a versatile AM/FM stereophonic tuner that accommodates both mono and stereo formats. It features an analogue tuning scale, which allows users to easily navigate through the available radio stations. The tuner is designed for a wide range of frequencies, with an FM tuning range extending from 88 to 108 MHz and an MW tuning range spanning from 540 to 1605 kHz. Its sensitivity ratings indicate that it can receive FM signals at a sensitivity of 3.0uV and MW signals at 25uV. The signal to noise ratio of the tuner is notable, with 55dB for FM and 45dB for MW, contributing to its overall sound quality. Distortion levels are relatively low, measured at 0.8% for FM and 1% for MW, showcasing the unit's ability to deliver clear audio playback. The selectivity measures at 48dB for FM and 20dB for MW, which helps in separating desired signals from unwanted noise. The frequency response is quite respectable, extending from 30Hz to 15kHz for FM and 50Hz to 3.3kHz for MW. The compact dimensions of the tuner are 360 x 120 x 280mm, and it weighs approximately 5.5kg, making it a suitable addition to various audio setups without occupying too much space.