Audio Section; Auxiliary Input - Kenwood DPX304 Service Manual

DPX304/DPX308U/DPX404U
DPX-MP3120/U5120/U5120S
FM tuner section
Frequency range (50 kHz space) ....... 87.5 MHz – 108.0 MHz
Usable sensitivity (S/N = 26dB) ..............................1 μV/75 Ω
Quieting Sensitivity (S/N = 46dB) ........................2.5 μV/75 Ω
Frequency response (±3.0 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 – 1611 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 ................................................................. GaAlAs
Digital fi lter (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) ..........................10 Hz – 20 kHz
Total harmonic distortion (1 kHz) .............................. 0.008 %
Signal to Noise ratio (1 kHz) ....................................... 110 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" fi les
USB Interface (DPX404U)
USB Standard .................................USB1.1/ 2.0 (Full speed)
Maximum Supply current .......................................... 500 mA
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
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SPECIFICATIONS (DPX304/DPX404U)

Audio section

Maximum output power ...........................................50 W x 4
Output power (DIN 45324, +B=14.4V) .....................30 W x 4
Speaker Impedance ................................................... 4 – 8 Ω
Tone action
Bass ..............................................................100 Hz ±8 dB
Middle .............................................................1 kHz ±8 dB
Treble .........................................................12.5 kHz ±8 dB
Preout level / Load (CD) ................................2000 mV/10 kΩ
Preout impedance ..................................................... ≤ 600 Ω

Auxiliary input

Frequency response (±1 dB) ..........................20 Hz – 20 kHz
Input Maximum Voltage ............................................1200 mV
Input Impedance .......................................................... 10 kΩ
General
Operating voltage (11 – 16V allowable) ........................14.4 V
Maximum Current consumption ......................................10 A
Installation Size (W x H x D) .................. 182 x 111 x 158 mm
Weight .......................................................................... 1.5 kg
KENWOOD follows a policy of continuous advancements
in development. For this reason specifications may be
changed without notice.