English
35
Specifications
FM tuner section
Frequency range (50 kHz space):
87.5 MHz — 108.0 MHz
Usable sensitivity (S/N= 26 dB):
1 μV/ 75 Ω
Quieting sensitivity (DIN S/N = 46 dB):
2.5 μV/75 Ω
Frequency response (±3 dB):
30 Hz — 15 kHz
Signal-to-Noise ratio (MONO):
63 dB
Stereo separation (1 kHz):
40 dB
MW tuner section
Frequency range (9 kHz space):
531 kHz – 1,611 kHz
Usable sensitivity (S/N = 20dB):
36 μV
LW tuner section
Frequency range:
153 kHz – 279 kHz
Usable sensitivity (S/N = 20dB):
57 μV
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:
93 dB
AAC decode:
AAC-LC “.m4a” files
MP3 decode:
Compliant with MPEG-1/2 Audio
Layer-3
WMA decode:
Compliant with Windows Media
Audio
USB interface
USB standard:
USB1.1/ 2.0 (Full speed)
Maximum supply current:
500 mA
File system:
FAT16/ 32
AAC decode:
AAC-LC “.m4a” files
MP3 decode:
Compliant with MPEG-1/2 Audio
Layer-3
WMA decode:
Compliant with Windows Media
Audio
SD card section (KDC-4751SD only)
Compatible physical format:
Version 2.00
Maximum memory capacity:
32 GB
File System:
FAT 16/ 32
AAC decode:
AAC-LC “.m4a” files
MP3 decode:
Compliant with MPEG-1/2 Audio
Layer-3
WMA decode:
Compliant with Windows Media
Audio
Bluetooth section (KDC-BT41U/
KDC-BT31U only)
Technology:
Bluetooth Ver. 2.0 Certified
Frequency:
2.402 – 2.480 GHz
Output Power:
+4 dBm (MAX), 0 dBm (AVE)
Power Class 2
Maximum Communication range:
Line of sight approx. 10m (32.8 ft)
Profile:
HFP (Hands Free Profile),
SPP (Serial Port Profile),
HSP (Headset Profile),
OPP (Object Push Profile),
PBAP (Phonebook Access Profile),
SYNC (Synchronization Profile)
Audio section
Maximum output power:
50 W × 4
Output power (DIN 45324, +B=14.4V):
30 W × 4
Speaker impedance:
4 Ω — 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 input section
Frequency response (±3 dB):
20 Hz — 20 kHz
Input maximum voltage:
1,200 mV
Input impedance:
10 kΩ
General
Operating voltage:
KDC-BT41U/ KDC-BT31U: (10.5 V — 16 V allowable):
14.4 V
KDC-4751SD: (11 V — 16 V allowable):
14.4 V
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.
B64-4799-10̲01̲E̲English.indd 35
B64-4799-10̲01̲E̲English.indd 35
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Summary of Contents for KDC-4751SD
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