SANSUI QRX3500SpecificationsTuning range: FM, MWPower output: 22W/ch into 8¿ (quadraphonic)Frequency response: 30Hz to 30kHzTotal harmonic distortion: 0.5%.Damping factor: 30Signal to noise ratio: 75dB (line)Channel separation: 45dB (line)Speaker load impedance: 4¿ to 16¿Dimensions: 526 x 181 x 350mmWeight: 18.5kg