Kenwood DM-SG7 User Manual

DM-SG7(EN)
13
System connections
Note on connection of optical-fiber cable
The optical-fiber cable is designed for use in the
connection of the CD player (DP-SG7). The digital
signal transmission makes it possible to record
the high-quality sound of CDs without degrada-
tion.
¶ Insert the optical-fiber cable straight into the connector
until it clicks.
¶ Be sure to attach the protection cap when the connector
is not used.
¶ Never bend or bundle the optical-fiber cable.
Easy operation function
When this unit is connected with the amplifier-tuner (R-
SG7) via a system control cord, the basic operations of
this unit can be controlled from the remote control unit
provided with the R-SG7. This connection also makes
possible the easy operation function which activates
operations according to the input selection made on the
R-SG7 (two-way operations). For details, refer to the
Instruction Manual of the R-SG7.
Timer recording/playback
When this unit is connected with the amplifier-tuner (R-
SG7) via a system control cord, timer playback of a disc
and timer recording of radio broadcasting are possible.
For details, read this instruction manual as well as the
Instruction Manual of the R-SG7.
Operations on this unit: Steps 1 to 4 in “Analog
recording.”
¢
System operation features
Insert the connector straight until it clicks.
Plugging the connector. Unplugging the connector
Connection of system control cord
While pushing the two sides of the connector, pull it
straight out.
Click!

Kenwood DM-SG7 Specifications

System and Audio

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	1 Bit
oversampling	128 fs (5644.8 kHz)
A/D conversion method	Sigma-delta method
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 92 dB
dynamic range (playback mode)	More than 90 dB
total harmonic distortion (1 kHz, playback mode)	Less than 0.007 %
channel separation (1 kHz, playback mode)	More than 85 dB
wow & flutter	Less than unmeasurable limit

Inputs and Outputs

analog input sensitivity / input impedance	300 mV / 70 kΩ
analog output level / load impedance	1.2 V / 3.2 kΩ
digital input, optical (wave length 660 nm)	- 15 dBm ~ - 21 dBm

General Specifications

power consumption	14 W
dimensions (width)	200 mm (7 - 7 / 8")
dimensions (height)	77 mm (3 - 1 / 16")
dimensions (depth)	247 mm (9 - 3 / 4")
weight (net)	2.1 kg (4.6 lb)