Appendix
Additional Information
Specifications
General
Power source ............................. 14.4 V DC (12.0 V to 14.4 V
Grounding system ................... Negative type
Max. current consumption
..................................................... 10.0 A
Dimensions (W × H × D):
DIN
Chassis ..................... 178 mm × 50 mm × 162
Nose ........................... 188 mm × 58 mm × 17 mm
D
Chassis ..................... 178 mm × 50 mm × 162
Nose ........................... 170 mm × 48 mm × 17 mm
Weight .......................................... 1.5 kg
Audio
Maximum power output ....... 50 W × 4
Continuous power output ... 22 W × 4 (50 Hz to 15 000
Load impedance ...................... 4 W to 8 W × 4
Preout max output level ....... 4 V
Equalizer (7-Band Graphic Equalizer):
Frequency .......................... 50/125/315/800/2k/5k/12.5k
Gain ...................................... ±12 dB
HPF:
Frequency .......................... 50/63/80/100/125 Hz
Slope .................................... –12 dB/oct
Subwoofer (mono):
Frequency .......................... 50/63/80/100/125 Hz
Slope .................................... –18 dB/oct
Gain ...................................... +6 dB to –24 dB
Phase .................................. Normal/Reverse
Bass boost:
Gain ...................................... +12 dB to 0 dB
CD player
System .......................................... Compact disc audio system
Usable discs .............................. Compact disc
Signal-to-noise ratio ............... 94 dB (1 kHz) (IEC-A net-
Number of channels .............. 2 (stereo)
MP3 decoding format ........... MPEG-1 & 2 Audio Layer 3
WMA decoding format ......... Ver. 7, 7.1, 8, 9, 10, 11 (2ch
60
En
allowable)
mm
mm
50 W × 2/4 W + 70 W × 1/2
W (for subwoofer)
Hz, 5 % THD, 4 W load, both
channels driven)
4 W to 8 W × 2 + 2 W × 1
Hz
work)
audio)
(Windows Media Player)
Black plate (60,1)
AAC decoding format ............ MPEG-4 AAC (iTunes en-
coded only) (.m4a)
(Ver. 7.7 and earlier)
WAV signal format .................. Linear PCM & MS ADPCM
(Non-compressed)
USB
USB standard specification
..................................................... USB 2.0 full speed
Maximum current supply .... 500 mA
Minimum memory capacity
..................................................... 256 MB
USB Class ................................... MSC (Mass Storage Class)
File system .................................. FAT16, FAT32
MP3 decoding format ........... MPEG-1 & 2 Audio Layer 3
WMA decoding format ......... Ver. 7, 7.1, 8, 9, 10, 11 (2ch
audio)
(Windows Media Player)
AAC decoding format ............ MPEG-4 AAC (iTunes en-
coded only) (.m4a)
(Ver. 7.7 and earlier)
WAV signal format .................. Linear PCM & MS ADPCM
(Non-compressed)
FM tuner
Frequency range ...................... 87.5 MHz to 108.0 MHz
Usable sensitivity ..................... 9 dBf (0.7 µV/75 W, mono,
S/N: 30 dB)
Signal-to-noise ratio ............... 72 dB (IEC-A network)
AM tuner
Frequency range ...................... 531 kHz to 1 602 kHz (9 kHz)
530 kHz to 1 640 kHz (10
kHz)
Usable sensitivity ..................... 25 µV (S/N: 20 dB)
Signal-to-noise ratio ............... 62 dB (IEC-A network)
Infrared remote control
Wavelength ................................. 940 nm ±50 nm
Output ........................................... typ; 12 mw/sr per Infrared
LED
Note
Specifications and the design are subject to mod-
ifications without notice due to improvements.
QRD3028-A/N
<
>60