The Sansui SR-737 is a fully automatic direct drive record player manufactured between 1978 and 1980 in Japan. Its elegant grey and silver finish complements its robust build, which measures 460 x 166 x 370 mm and weighs approximately 9.6 kg. The SR-737 operates with a brushless DC motor featuring 20 poles and 30 slots, ensuring smooth playback at speeds of 33 1/3 and 45 RPM, with a speed fine adjustment range of ± 2.5%. Significant technical specifications include a quartz servo direct drive system, a low synchronization fluctuation of < 0.03%, and a notable signal-to-noise ratio of 60 dB. The turntable is constructed with a diameter of 318 mm and weighs 1.6 kg, providing stability during operation. The S-shaped tonearm is statically balanced and has an effective length of 220 mm with a 17.5 mm overhang, allowing for precise tracking. The SR-737 also boasts adjustable tonearm height and features a stroboscope for pitch accuracy. The included pickup is a Moving Magnet (MM) type with a frequency response range of 10 - 20,000 Hz and a channel separation of 25 dB, while its standard output voltage is 3.3 mV at 47 kOhm. This model originally priced at approximately 58,000 Yen in Japan, exemplifies a blend of aesthetic appeal and high-quality audio performance.
