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SPECIFICATIONS
Tuner
FM Frequency Range
For
KDC
-
U456
/
KDC
-
U356
/
KDC
-
U3056
:
87.9 MHz to 107.9 MHz (200 kHz space)
87.5 MHz to 108.0 MHz (50 kHz space)
For
KDC
-
3257UGM
/
KDC
-
3357URM
/
KDC
-
3157UAM
:
87.5 MHz to 108.0 MHz (50 kHz space)
Usable Sensitivity
(S/N = 26 dB)
For
KDC
-
U456
/
KDC
-
U356
/
KDC
-
U3056
:
11.2 dBf (1.0 μV/75 Ω)
For
KDC
-
3257UGM
/
KDC
-
3357URM
/
KDC
-
3157UAM
: 1.0 μV/75 Ω
Quieting Sensitivity
(DIN S/N = 46 dB)
For
KDC
-
U456
/
KDC
-
U356
/
KDC
-
U3056
:
19.2 dBf (2.5 μV/75 Ω)
For
KDC
-
3257UGM
/
KDC
-
3357URM
/
KDC
-
3157UAM
: 2.5 μV/75 Ω
Frequency Response (±3 dB) 30 Hz to 15 kHz
Signal-to-Noise Ratio (MONO) 63 dB
Stereo Separation (1 kHz) 40 dB
For
KDC
-
U456
/
KDC
-
U356
/
KDC
-
U3056
:
AM Frequency Range Band 1 (MW) 530 kHz to 1 700 kHz (10 kHz space)
531 kHz to 1 611 kHz (9 kHz space)
Band 2 (SW1) 2 940 kHz to 7 735 kHz (5 kHz space)
Band 3 (SW2) 9 500 kHz to 10 135 kHz/
11 580 kHz to 18 135 kHz (5 kHz space)
Usable Sensitivity (S/N = 20 dB) MW: 31 dBμ (36 μV)/ SW: 32 dBμ (40 μV)
For
KDC
-
3257UGM
/
KDC
-
3357URM
/
KDC
-
3157UAM
:
MW Frequency Range 531 kHz to 1 611 kHz (9 kHz space)
Usable Sensitivity (S/N = 20 dB) 36 μV
LW Frequency Range 153 kHz to 279 kHz (9 kHz space)
Usable Sensitivity (S/N = 20 dB) 57 μV
CD player
Laser Diode GaAIAs
Digital Filter (D/A) 8 times over sampling
D/A Converter 24 Bit
Spindle Speed 500 rpm to 200 rpm (CLV)
Wow & Flutter Below measurable limit
Frequency Response (±1 dB) 20 Hz to 20 kHz
CD player
Total Harmonic Distortion (1 kHz) 0.01 %
Signal-to-Noise Ratio (1 kHz) 105 dB
Dynamic Range 90 dB
AAC Decode
For
KDC
-
3257UGM
/
KDC
-
3357URM
/
KDC
-
3157UAM
: AAC-LC “.m4a” files
MP3 Decode Compliant with MPEG-1/2 Audio Layer-3
WMA Decode Compliant with Windows Media Audio
USB
USB Standard USB 1.1, USB 2.0 (Full speed)
Maximum Supply Current DC 5 V
1 A
File System FAT16/ 32
AAC Decode
For
KDC
-
3257UGM
/
KDC
-
3357URM
/
KDC
-
3157UAM
: AAC-LC “.m4a” files
MP3 Decode Compliant with MPEG-1/2 Audio Layer-3
WMA Decode Compliant with Windows Media Audio
Audio
Maximum Output Power 50 W × 4
Full Bandwidth Power
For
KDC
-
U456
/
KDC
-
U356
/
KDC
-
U3056
:
22 W × 4 (at less than 1 % THD)
Output Power
(DIN 45324, +B = 14.4 V)
For
KDC
-
3257UGM
/
KDC
-
3357URM
/
KDC
-
3157UAM
: 30 W × 4
Speaker Impedance 4 Ω to 8 Ω
Tone Action Bass 100 Hz ±8 dB
Middle 1 kHz ±8 dB
Treble 12.5 kHz ±8 dB
Preout Level / Load (CD) 2 500 mV/10 kΩ
Preout Impedance ≤ 600 Ω
Auxiliary
Frequency Response (±3 dB) 20 Hz to 20 kHz
Input Maximum Voltage 1 200 mV
Input Impedance 10 kΩ
General
Operating Voltage 14.4 V (11 V to 16 V allowable)
Maximum Current Consumption 10 A
Installation Size (W × H × D) 182 mm × 53 mm × 160 mm
Weight 1.3 kg
Subject to change without notice.
EN_KDC-U456[MWM0M20]1.indd 11EN_KDC-U456[MWM0M20]1.indd 11 8/9/12 10:28:02 AM8/9/12 10:28:02 AM