Sony CDX-4250 Operating Instructions (primary manual) - Page 12

Specifications AUDIO POWER SPECIFICATIONS POWER OUTPUT AND TOTAL HARMONIC DISTORTION 17 watts per channel minimum continuous average power into 4 ohms, 4 channels driven from 20 Hz to 20 kHz with no more than 1 % total harmonic distortion. Other specifications CD player section System Signal-to-noise ratio Frequency response Wow and flutter Laser Diode Properties Material Wavelength Emission Duration Laser output power Compact disc digital audio system 90 dB 10 - 20,000 Hz Below measurable limit GaAlAs 780 nm Continuous Less than 44.6 µW* * This output is the value measured at a distance of 200 mm from the objective lens surface on the Optical Pick-up Block. Tuner section FM Tuning range 87.5 - 107.9 MHz Antenna terminal External antenna connector Intermediate frequency 10.7 MHz Usable sensitivity 9 dBf Selectivity 75 dB at 400 kHz Signal-to-noise ratio 65 dB (stereo), 68 dB (mono) Harmonic distortion at 1 kHz 1.0 % (stereo), 0.7 % (mono) Separation 35 dB at 1 kHz Frequency response 30 - 15,000 Hz AM Tuning range Antenna terminal Intermediate frequency Sensitivity 530 - 1,710 kHz External antenna connector 10.71 MHz/450 kHz 30 µV Power amplifier section Outputs Speaker outputs (sure seal connectors) Speaker impedance 4 - 8 ohms Maximum power output 40 W × 4 (at 4 ohms) General Outputs Tone controls Power requirements Dimensions Mounting dimensions Mass Supplied accessories Optional accessories Power antenna relay control Telephone ATT control lead Bass ±8 dB at 100 Hz Treble ±8 dB at 10 kHz 12 V DC car battery (negative ground) Approx. 178 × 50 × 185 mm (7 1/8 × 2 × 7 3/8 in.) (w/h/d) Approx. 182 × 53 × 162 mm (7 1/4 × 2 1/8 × 6 1/2 in.) (w/h/d) Approx. 1.2 kg (2 lb. 10 oz.) Parts for installation and connections (1 set) Front panel case (1) Cleaning cloth XP-CD1 Compact disc single adapter CSA-8 Design and specifications are subject to change without notice. 12