The Sansui TU-α 707 i is a tuner that was manufactured between 1987 and 1990. It features a sleek black design and operates without a remote control. This model has a power consumption of 12 watts and measures 448 mm in width, 98 mm in height, and 315 mm in depth, with a weight of 5.1 kg. The initial release price was approximately 59,800 Yen in Japan. It receives both FM and MW frequencies, with an FM band of 88-108 MHz and a MW band of 535-1605 KHz. The frequency response ranges from 30 Hz to 18 kHz with minimal variations (+0.3 dB, -0.8 dB). It boasts high input sensitivity for FM at 1.8 μV and 25 μV for MW, with a low distortion factor—0.0075% for Mono and 0.0095% for Stereo at 1 kHz. The signal-to-noise ratio is impressive at 98 dB for Mono and 91 dB for Stereo, while channel separation is rated at 40 dB and selectivity at 80 dB. The tuner features common mode selection, IF suppression, and muting capabilities.
