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CQ-DFX683/DF583/DF203U CQ-DFX683/DF583/DF203U
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Specifications
❐ General
Power supply: 12 V DC (11 Vj16 V),
test voltage 14.4 V, neg-
ative ground
Current consumption: Less than 2.2 A
(CD play mode;
0.5 Wa4 channels)
Maximum power output: 50 Wa4 channels at
1 kHz, volume control
maximum
Tone adjustment range:
Bass: n12 dB at 100 Hz
Treble: n12 dB at 10 kHz
Speaker impedance: 4j8 ≠
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 (WaHaD): 7za1
15
/16za6
1
/8z
(178a50a155 mm)
Weight: 3 lbs. 1 oz (1.4 kg)
❐ FM Stereo Radio
Frequency range: 87.9 MHzj107.9 MHz
Usable sensitivity: 11.0 dBf.
(1.25
¨V,
75 ≠)
50 dB quieting sensitivity: 15.2 dBf. (1.6
¨V,
75 ≠)
Frequency response: 30 Hzj15 kHz (n3 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 kHzj1 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 Hzj20 kHz (n1 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 kbpsj320 kbps,
VBR (Variable Bit Rate)
MPEG 2 audio layer 3: 8 kbpsj160 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 kbpsj192 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