Specifications

Subject to change without notice.

KDC-U449/ KDC-U3049/ KDC-U349 only:

FM tuner section

Frequency range:

200 kHz space: 87.9 MHz — 107.9 MHz

50 kHz space: 87.5 MHz — 108.0 MHz

Usable sensitivity (S/N= 26 dB):

11.2 dBf (1.0 μV/75 Ω)

Quieting sensitivity (DIN S/N = 46 dB):

19.2 dBf (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

AM tuner section

Frequency range:

Band 1 (MW):

10 kHz space: 530 kHz — 1 700 kHz

9 kHz space: 531 kHz — 1 611 kHz

Band 2 (SW1): 5 kHz space: 2 940 kHz — 7 735 kHz Band 3 (SW2):

5 kHz space: 9 500 kHz — 10 135 kHz / 11 580 kHz — 18 135 kHz

Usable sensitivity (S/N= 20 dB):

MW: 31 dBμ (36 μV) / SW: 32 dBμ (40 μV)

KDC-4051UM only:

FM tuner section

Frequency range (50 kHz space): 87.5 MHz — 108.0 MHz

Usable sensitivity (S/N = 26 dB): 1.0 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 = 20 dB): 36 μV

LW tuner section

Frequency range: 153 kHz — 279 kHz

Usable sensitivity (S/N = 20 dB): 57 μV

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: 90 dB

MP3 decode: Compliant with MPEG-1/2 Audio Layer-3

WMA decode: Compliant with Windows Media Audio KDC-4051UM only:

AAC decode: AAC-LC “.m4a” files

USB interface

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 KDC-4051UM only:

AAC decode: AAC-LC “.m4a” files

Audio section

Maximum output power: 50 W × 4

KDC-U449/ KDC-U3049/ KDC-U349 only:

Full bandwidth power (at less than 1 % THD):

22 W × 4

KDC-4051UM only:

Output power (DIN 45324, +B = 14.4 V): 30 W × 4 Speaker impedance: 4 Ω — 8 Ω

Tone action: Bass: 100 Hz ±8 dB Middle: 1 kHz ±8 dB Treble: 10 kHz ±8 dB

Preout level / load (CD): 2 000 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 (11 V — 16 V allowable): 14.4 V

ENGLISH

CD player section

Maximum current consumption: 10 A

Laser diode: GaAIAs

Installation size (W × H × D):

182 mm × 53 mm × 158 mm

Digital filter (D/A): 8 Times Over Sampling

Weight: 1.3 kg

D/A converter: 24 Bit

 

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