Specifications - Kenwood KDC-4551UB/455UW Service Manual

■ Models for destination "M" and "C"
FM tuner section
Frequency range
200kHz space .................................. 87.9MHz~107.9MHz
50kHz space .................................... 87.5MHz~108.0MHz
Usable sensitivity (S/N=26dB) ...............11.2dBf (1.0μV/75Ω)
Quieting sensitivity (DIN S/N=46dB) .....19.2dBf (2.5μV/75Ω)
Frequency response (±3dB) ..............................30Hz~15kHz
Signal to Noise ratio (MONO) ........................................63dB
Stereo separation (1kHz) ...............................................40dB
AM tuner section
Frequency range
Band 1 (MW)
10kHz space ..................................... 530kHz~1700kHz
9kHz space ....................................... 531kHz~1611kHz
Band 2 (SW1)
5kHz space ..................................... 2940kHz~7735kHz
Band 3 (SW2)
5kHz space
............. 9500kHz~10135kHz / 11580kHz~18135kHz
Usable sensitivity (S/N=20dB)
MW ...............................................................31dBμ (36μV)
SW ...............................................................32dBμ (40μV)
CD player section
Laser diode .................................................................GaAlAs
Digital fi lter (D/A) ............................... 8 Times Over Sampling
D/A converter ................................................................ 24Bit
Spindle speed ..........................................500~200rpm (CLV)
Wow & Flutter ..................................Below Measurable Limit
Frequency response (±1dB) ..............................20Hz~20kHz
Total harmonic distortion (1kHz) ..................................0.01%
Signal to Noise ratio (1kHz) .........................................105dB
Dynamic range ..............................................................90dB
MP3 decode ......... Compliant with MPEG-1/2 Audio Layer-3
WMA decode ............ Compliant with Windows Media Audio

SPECIFICATIONS

USB interface
USB standard .................................. USB1.1/2.0 (Full speed)
Maximum supply current ............................................ 500mA
File system ............................................................. FAT16/32
MP3 decode ......... Compliant with MPEG-1/2 Audio Layer-3
WMA decode ............ Compliant with Windows Media Audio
Audio section
Maximum output power ........................................... 50W x 4
Full bandwidth power (at less than 1% THD) ........... 22W x 4
Speaker impedance ......................................................4~8Ω
Tone action
Bass ............................................................... 100Hz±8dB
Middle ...............................................................1kHz±8dB
Treble ..............................................................10kHz±8dB
Preout level/load (CD) ..................................... 2000mV/10kΩ
Preout impedance ......................................................≤600Ω
Auxiliary input section
Frequency response (±3dB) ..............................20Hz~20kHz
Input maximum voltage ............................................ 1200mV
Input impedance ...........................................................10kΩ
General
Operating voltage (11~16V allowable) .......................... 14.4V
Maximum current consumption ...................................... 10A
Installation size (W x H x D) .....................182 x 53 x 158 mm
Weight ...........................................................................1.3kg
KDC-4551UB/455UW/4651URY
KDC-U449/U5049
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