Kenwood KDC-248U Car Stereo System User Manual


 
Specifications
FM tuner section
Frequency
range:
For
KDC-248UI
KDC-208U:
200
kHz
space:
87.9
MHz
-
107.9
MHz
For
KDC-MP248UI
KDC-MP148U:
50
kHz
space:
87.5
MHz
-
108.0
MHz
Usable
sensitivity
(SIN=
26
dB):
11.2
dBf
(1.0
IJV175
0)
Quieting
sensitivity
(DIN
SIN
=
46
dB):
19.2
dBf
(2.5
IJVl75
0)
Frequency
response
(±3
dB):
30
Hz
-
15
kHz
Signal-to-Noise
ratio
(MONO):
63
dB
Stereo
separation
(1
kHz):
40
dB
AM tuner section
Frequency
range
(10kHz
space):
530
kHz
- 1
700
kHz
Usable
sensitivity
(S/N=
20
dB):
31
dBIJ
(36
IJV)
CD
player section
Laser
diode:
GaAIAs
Digital
filter
(D/A):
8
Times
Over Sampling
D/A
converter:
24
Bit
Spindle
speed:
500
rpm -
200
rpm
(CLV)
Wow
&
Flutter:
Below Measurable Limit
Frequency
response
1
dB):
20
Hz
-
20
kHz
Total
harmonic
distortion
(1
kHz):
0.01
%
Signal-to-Noise
ratio
(1
kHz):
105
dB
Dynamic
range:
90
dB
MP3
decode:
Compliant with
MPEG-1/2
Audio
Layer-3
WMA
decode:
Compliant with Windows
Media Audio
USB
interface
USB
standard:
USB
1.1/2.0
(Full
speed)
Maximum
supply
current:
500
mA
File
system:
FAT16/
32
MP3
decode:
Compliant with MPEG-l/2 Audio
Layer-3
WMA
decode:
Compliant with Windows
Media
Audio
Audio section
Maximum
output
power:
50
W x 4
Full
bandwidth
power
(at
less
than
1%
THD):
22Wx4
Speaker
impedance:
4 0 - 8 0
Tone
action:
Bass:
100
Hz
±8
dB
Middle:
1
kHz
±8
dB
Treble:
10kHz ±8
dB
Preout
level
I
load
(CD):
2 000
mVil
0
kO
Preout
impedance:
$
600
0
Auxiliary
input
section
Frequency
response
(±3
dB):
20
Hz
-
20
kHz
Input
maximum
voltage:
1
200
mV
Input
impedance:
10
kO
General
Operating
voltage
(11
V-
16
V
allowable):
14.4
V
Maximum
current
consumption:
lOA
Installation
size
(W
x Hx
D):
182
mm x
53
mm x
158
mm
(7-3/16" x 2-1/8" x 6-1/4")
Weight:
2.91bs
(1.3
kg)
Subject to change
without
notice.
15