ขายเครื่องเล่น MD Kenwood DM-7090 สภาพดี เสียงดี พร้อมใช้งาน Made in Japan
ขายเครื่องเล่น MD Kenwood DM-7090 สภาพดี เสียงดี พร้อมใช้งาน Made in Japan
KENWOOD DM-7090
¥ 78,000 (around 1996)
Commentary
This MD recorder was released as an improved version of the DM 7080.
The DM-7090 is equipped with a 20-bit REC D. R. I. V. E., which is an improved version of the
D. R. I. V. E. system so that it can be used for recording.
This makes it possible to enjoy both recording and playback at 20-bit resolution, and analog
sources can also be recorded and played at 20-bit resolution.
It is equipped with a sampling rate converter for recording and playback of digital sources
other than CDs such as BS, CS, and DAT. The DM-7090 can automatically convert a j-value
source at 44.1/32/48kHz to 44.1 kHz for digital recording using the SCSM method.
The A/D converter is equipped with a high-quality A to D converter with 1-bit 5th-noise shaping
and 18-bit resolution.
It is equipped with new ATRAC. In this method, compared with the conventional ATRAC, the bit
floating improves the calculation capability at the minute input, and the bit allocation algorithm at
the time of compression is also revised.
Equipped with a quick erase function, you can divide and erase the part you want to delete simply
by specifying the capacity of repeat A-B.
It is also equipped with functions such as Quick Move and Track Move for changing the order of
songs one by one, Track Divide for dividing songs, Track Combine for connecting songs, and
Erase.
It is equipped with an edit cancel function to restore the disc to its original state when editing
by mistake.
It is equipped with a title search that can be played while checking the title of the music.
Equipped with a multi-jog dial for easy title input and track skip.
Equipped with 3-mode level meter.
The display uses a large 12-character dot FL tube.
Katakana characters are supported.
It has a preview function that allows you to fine-tune editing.
Supports monaural long-time recording.
A remote control is included.
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AUDIO
Model Rating
Type MD deck
Read method Non-contact optical reading (semiconductor laser)
Recording system Magnetic field modulation overwrite system
Number of revolutions 400 rpm ~ 900 rpm (CLV)
Voice compression system ATRAC
D/A Converter
D/A conversion 1 bit
Oversampling 8fs(352.8kHz)
A/D Converter
Method 5th-order delta-sigma + D. R. I. V. E. conversion
Sampling frequency 44.1kHz
<Digital Audio Performance>
Frequency characteristic 8 Hz to 20 kHz (EIAJ)
Signal-to-noise ratio 105 dB or more (EIAJ)
Dynamic range 92 dB or more (EIAJ)
Overall strain rate 0.007% or Less (1 kHz, EIAJ)
Wow and flutter Below measurement limit (± 0.001% W PEAK, EIAJ)
Input Sensitivity / Impedance Line : 500mV/22k Ω or more
Output Level / Impedance Fixed Output : 2.0V/600 Ω or Less
Headphone : 20mW/32 Ω
Digital input Coaxial : 0.5Vp-p/75 Ω
Optical : -15dBm to -21dBm (emission wavelength 660 nm)
Digital output Coaxial : 0.5Vp-p/75 Ω
Optical : -15dBm to -21dBm (emission wavelength 660 nm)
Pwer 100 VAC, 50Hz/60Hz
Rated power consumption 18W (Electrical Appliance and Material Control Law)
Maximum external dimensions Width 440x Height 94x Depth 373 mm
Weight 5.2kg
Attachment Remote control
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