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KDC-BT645U/ KDC-HD545U
FM Tuner Section
Frequency Range (200 kHz Space)
: 87.9 MHz – 107.9 MHz
Usable Sensitivity
: 11.2dBf (1.0 V/75 Ω: S/N = 26dB) KDC-BT645U
: 9.3dBf (0.8 V/75 Ω: S/N = 30dB) KDC-HD545U
Quieting Sensitivity
:
19.2dBf (2.5 V/75 Ω: DIN S/N = 46dB) KDC-BT645U
: 15.2dBf (1.6 V/75 Ω: S/N = 50dB) KDC-HD545U
Frequency Response (±3 dB)
: 30 Hz – 15 kHz
Signal to Noise Ratio (MONO)
: 63 dB KDC-BT645U
: 70 dB KDC-HD545U
Stereo Separation (1 kHz)
: 40 dB
Digital FM Tuner Section (KDC-HD545U)
Frequency Range (200 kHz Space)
: 87.9 MHz – 107.9 MHz
Frequency Response (±3 dB)
: 20 Hz – 20 kHz
Signal to Noise Ratio (STEREO)
: 70 dB
AM Tuner Section
Frequency Range (10 kHz Space)
: 530 kHz – 1700 kHz
Usable Sensitivity (S/N = 20dB)
: 31 dBµ (36 µV) KDC-BT645U
: 28 dBµ (25 µV) KDC-HD545U
Digital AM Tuner Section (KDC-HD545U)
Frequency Range (10 kHz Space)
: 530 kHz – 1700 kHz
Frequency Response (±3 dB)
: 40 Hz – 15 kHz
Signal to Noise Ratio (STEREO)
: 70 dB
CD Player Section
Laser diode
: GaAlAs
Digital filter (D/A)
: 8 Times Over Sampling
D/A Converter
: 24 Bit
Spindle Speed
: 500 – 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
MP3 Decode
: Compliant with MPEG-1/2 Audio Layer-3
WMA Decode
: Compliant with Windows Media Audio
AAC Decode
: AAC-LC ".m4a" files
USB Interface
USB Standard
: USB1.1/ 2.0 (Full Speed)
File System
: FAT16/ 32
MP3 Decode
: Compliant with MPEG-1/2 Audio Layer-3
WMA Decode
: Compliant with Windows Media Audio
AAC Decode
: AAC-LC “.m4a” files
Maximum Supply Current
: 500 mA
Specifications