CQ-DFX683/DF583/DF203U
CQ-DFX683/DF583/DF203U
E
N
G
L
I
S
H
57
E
N
G
L
I
S
H
41
56
E
N
G
L
I
S
H
42
Specifications
❐
General
Power supply:
12 V DC (11 V
j
16 V),
test voltage 14.4 V, neg-
ative ground
Current consumption:
Less than 2.2 A
(CD play mode;
0.5 W
a
4 channels)
Maximum power output:
50 W
a
4 channels at
1 kHz, volume control
maximum
Tone adjustment range:
Bass:
n
12 dB at 100 Hz
Treble:
n
12 dB at 10 kHz
Speaker impedance:
4
j
8
≠
Preamp output voltage:
2.5 V (CD play mode;
1 kHz, 0 dB)
Preamp output
impedance:
200
≠
Subwoofer output voltage: 2.5 V
Subwoofer output
impedance:
200
≠
Dimensions (W
a
H
a
D):
7
za
1
15
/
16
za
6
1
/
8
z
(178
a
50
a
155 mm)
Weight:
3 lbs. 1 oz (1.4 k
g
)
❐
FM Stereo Radio
Frequency range:
87.9 MHz
j
107.9 MHz
Usable sensitivity:
11.0 dBf.
(1.25
¨
V, 75
≠
)
50 dB quieting sensitivity: 15.2 dBf. (1.6
¨
V, 75
≠
)
Frequency response:
30 Hz
j
15 kHz (
n
3 dB)
Alternate channel
selectivity:
75 dB
Stereo separation:
35 dB (1 kHz)
Image response ratio:
75 dB
IF response ratio:
100 dB
Signal to noise ratio:
70 dB
❐
AM Radio
Frequency range:
530 kHz
j
1 710 kHz
Usable sensitivity:
29 dB/
¨
V
(25
¨
V, S/N 20 dB)
❐
CD Player
Sampling frequency:
8 times oversampling
DA converter:
1 bit/4 DAC system
Pick-up type:
Astigma 3-beam
Light source:
Semiconductor laser
Wave length:
780 nm
Frequency response:
20 Hz
j
20 kHz (
n
1 dB)
Signal to noise ratio:
96 dB
Total harmonic distortion: 0.01 % (1 kHz)
Wow and flutter:
Below measurable limits
Channel separation:
75 dB
MP3 decoding:
MPEG 1 audio layer 3/
MPEG 2 audio layer 3
Bit rate:
MPEG 1 audio layer 3: 32 kbps
j
320 kbps,
VBR (Variable Bit Rate)
MPEG 2 audio layer 3: 8 kbps
j
160 kbps, VBR
(Variable Bit Rate)
Sampling frequency:
MPEG 1 audio layer 3: 32 kHz, 44.1 kHz,
48 kHz
MPEG 2 audio layer 3: 16 kHz, 22.05 kHz,
24 kHz
WMA:
Bit rate:
64 kbps
j
192 kbps
Sampling frequency:
32 kHz, 44.1 kHz,
48 kHz
CQ-DFX683U
CQ-DF583U
Above specifications comply with EIA standards.
Note:
≥
Specifications and the design are subject to modi-
fication without notice due to improvements in
technology.
CQ-DFX683U