1050MD/DM-5090(K) COVER 97.11.28 2:25 AM y[W 1
1050MD/DM-5090/DM-9090
SPECIFICATIONS
DM-9090
[Format]
System..........................................................................................Minidisc digital audio system
Laser ............................................................................................Semiconductor laser
Recording method ........................................................................Field modulation overwrite method
Audio compression ......................................................................ATRAC (Adaptive TRansform Acoustic Coding)
Playing rotation ............................................................................Approx. 400 rpm ~ 900 rpm (CLV)
[D/A conversion]
D/A conversion ............................................................................1 Bit (24 bit Fine D.R.I.V.E.)
Oversampling ..............................................................................8 fs (352.8 kHz)
[A/D converter]
A/D converter................................................................................4 th order sigma-delta conversion+ D.R.I.V.E. con-
version
Sampling frequency......................................................................44.1 kHz
[Digital audio performance]
Frequency response (playback mode) ........................................8 Hz ~ 20 kHz, ?1 dB
Signal to noise ratio (playback mode) ..........................................More than 110 dB
Dynamic range (playback mode)..................................................More than 98 dB
Total harmonic distortion (1 kHz, playback mode) ......................Less than 0.004 %
Wow & flutter ................................................................................Less than unmeasurable limit
Analog input sensitivity / input impedance....................................500 mV / 22 k1
Analog output level / output impedance ......................................2.0 V / Less than 300 1
Headphone output........................................................................20 mW/32 1 load
Digital input
Coaxial........................................................................................0.5 Vp-p / 75 1
Optical(Wave length 660 nm) ....................................................- 15 dBm ~ - 21 dBm
Digital output
Coaxial........................................................................................0.5 Vp-p / 75 1
Optical(Wave length 660 nm) ....................................................- 15 dBm ~ - 21 dBm
[General]
Power consumption......................................................................20 W
Dimensions ..................................................................................W : 440 mm (17 - 5 / 16 " )
H : 125 mm ( 4 - 15 / 16 " )
D : 373 mm (14 - 11 / 16 " )
Weight (Net) ................................................................................5.4 kg (11.9 lb)
Note:
Component and circuit are subject to modification to insure best operation
under differing local conditions. This manual is based on Europe (E) standard,14-6,Dogenzaka 1-chome, Shibuya-ku, Tokyo, 150 Japan
and provides information on regional circuit modification through use of alter-KENWOOD SERVICE CORPORATION
nate schematic diagrams, and information on regional component variationsP.O BOX 22745, 2201 East Dominguez St., Long Beach, CA 90801-5745, U.S.A.
through use of parts list. |