The Sansui QSD-1 features the latest QS technological advances, making it possible to recreate concert hall realism with natural and vivid musicality. The QS System itself is a 4 channel regular matrix system, completed by application of Sansui's state of the art audio and electrical techniques and know how.
QS has been reviewed critically by professionals, engineers and audio seminar members around the world. They have judged it to be a remarkable 4 channel advancement, providing excellent 4 channel sound field reproduction of music
Frequency response: 20 to 30,000Hz
Distortion: less than 0.1%
Channels separation: 20dB (adjacent channels), 30dB (diagonal channels)
Input sensitivity: 100mV (2 channel), 140mV (4 channel)
Output level: 300mV
Semiconductors: 35 x transistors, 16 x diodes, 1 x zener diode, 12 x IC, 1 x LED
Dimensions: 482 x 88.5 x 304mm
The tone arm has tracked Van den Hul and EMT cartridges and continued to handle all types of records included the Fredrick Fennel bass drum beats on his classic digital record -- the one that caused tone arms and cartridges so much trouble. This arm coupled with my EMT cartridge tracks this record well even to this day.