Sony MZ-R900 Operating Instructions - Page 68
Specifications, Wow and Flutter
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Specifications Audio playing system MiniDisc digital audio system Laser diode properties Material: GaAlAs Wavelength: λ = 790 nm Emission duration: continuous Laser output: less than 44.6 µW (This output is the value measured at a distance of 200 mm from the lens surface on the optical pick-up block with 7 mm aperture.) Recording and playback time When using MDW-80: Maximum 160 min. in monaural Maximum 320 min. in stereo Revolutions 350 rpm to 2,800 rpm (CLV) Error correction ACIRC (Advanced Cross Interleave Reed Solomon Code) Sampling frequency 44.1 kHz Sampling rate converter Input: 32 kHz/44.1 kHz/48 kHz Coding ATRAC (Adaptive TRansform Acoustic Coding) ATRAC3 - LP2 ATRAC3 - LP4 Modulation system EFM (Eight to Fourteen Modulation) Number of channels 2 stereo channels 1 monaural channel Frequency response 20 to 20,000 Hz ± 3 dB Wow and Flutter Below measurable limit Inputs Microphone: stereo mini-jack, minimum input level 0.25 mV Line in1): stereo mini-jack, minimum input level 49 mV Optical (Digital) in1): optical (digital) mini-jack Outputs i/LINE OUT2): stereo mini-jack headphones/earphones: maximum output level 5 mW + 5 mW, load impedance 16 ohm LINE OUT: 194 mV, load impedance 10 kilohm 68-GB 1)The LINE IN (OPT) jack is used to connect either a digital (optical) cable or a line (analog) cable. 2)The i/LINE OUT jack connects either headphones/earphones or a line cable. Power requirements Sony AC Power Adaptor connected at the DC IN 3V jack: 230- 240 V AC, 50/60 Hz (UK and Hong Kong model) 220- 230 V AC, 50/60 Hz (Other European model) 100- 240 V AC, 50/60 Hz (Other models) Nickel metal hydride rechargeable battery NH14WM LR6 (size AA) alkaline battery Battery operation time See " Battery life" (page 57) Dimensions Approx. 78.9 × 17.1 × 72.0 mm (w/h/d) (31/8 × 11/16 × 27/8 in.) Mass Approx. 110 g (3.9 oz) the recorder only Supplied accessories AC power adaptor (1) Headphones/earphones with a remote control (1) Rechargeable battery (1) Dry battery case (1) Rechargeable battery carrying case (1) Carrying pouch/carrying case with a belt clip (except U.S.A. model) (1) AC plug adaptor (World model only) (1) Optical cable (1) US and foreign patents licensed from Dolby Laboratories. Design and specifications are subject to change without notice. Optional accessories Optical Cable POC-151HG, POC-152HG, POC-MZ1, POC-MZ2, POC-15B, POC-15AB, POCDA12SP Line Cable RK-G129, RK-G136 Stereo Microphones ECM-717, ECM-MS907, ECM-MS957 Stereo Headphones/earphones* MDR-D77, MDR-D55 CD text connecting cable RK-TXT1 Active Speakers SRS-Z500 Recordable MDs MDW-series