Kenwood KDC-4551UB/455UW Service Manual page 28

KDC-4551UB/455UW/4651URY
KDC-U449/U5049
■ Models for destination "E"
FM tuner section
Frequency range
FM1/FM2/FM3 (50kHz space) ......... 87.5MHz~108.0MHz
Usable sensitivity (S/N=26dB) .............................. 1.0μV/75Ω
Quieting sensitivity (DIN S/N=46dB) .................... 2.5μV/75Ω
Frequency response (±3dB) ..............................30Hz~15kHz
Signal to Noise ratio (MONO) ........................................63dB
Stereo separation (1kHz) ...............................................40dB
MW tuner section
Frequency range (9kHz space) .................. 531kHz~1611kHz
Usable sensitivity (S/N=20dB) ....................................... 36μV
LW tuner section
Frequency range ......................................... 153kHz~279kHz
Usable sensitivity (S/N=20dB) ....................................... 57μV
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
AAC decode ..........................................AAC-LC ".m4a" fi les
DANGER:
Please do not look at the laser beam directly during
re pair or operation check.
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
AAC decode ..........................................AAC-LC ".m4a" fi les
Audio section
Maximum output power ........................................... 50W x 4
Output power (DIN 45324, +B=14.4V) ..................... 30W 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
KENWOOD follows a policy of continuous advancements
in development. For this reason specifi cations may be
changed without notice.