If the surfaces are dirty
To clean this unit, wipe with a soft, dry cloth.
• Never use alcohol, paint thinner or benzine to clean this unit.
• Before using chemically treated cloth, read the instructions that came with the cloth carefully.
Specifi cations
AMPLIFIER SECTION
RMS OUTPUT POWER both channel
driven simultaneously
10 % Total harmonic distortion
15 W per channel (6 Ω)
Input impedance
MUSIC PORT 12 kΩ
Output impedance
HEADPHONE 16 to 32 Ω
Phone jack
Terminal Stereo, 3.5 mm
Music Port jack
Terminal Stereo, 3.5 mm
DAB External Antenna
Terminal F-Connector (12 Ω)
Option Port Version 1
FM TUNER SECTION
Frequency range
87.50 to 108.00 MHz (50 kHz step)
Sensitivity 0.10 µV (IHF)
S/N 26 dB 1.20 µV
Antenna terminal(s) 75 Ω (unbalanced)
Preset station FM 20 stations
DAB SECTION
Frequency Band (Wavelength)
Band III (UK Only)
11B to 12D (218.640 MHz to 229.072 MHz)
Band III (Europe)
5A to 13F (174.928 MHz to 239.200 MHz)
L Band
LA to LW (1452.960 MHz to 1490.624 MHz)
Intermediate frequency
1st : 38.912MHz, 2nd : 2.048 MHz
Sensitivity *BER 4x10
-4
MAX. input power 0 dBm
Min requirement -98 dBm
Selectivity
Adjacent channel (Band III) 33 dB
Far-Off channel (Band III) 45 dB
DAB memories 20 channels
SPEAKER SECTION
Type 1 way, 1 speaker system
Speaker(s)
FULL RANGE 8 cm CONE type 6 Ω
Impedance 6 Ω
Input power (IEC) 15 W (MAX)
Output sound pressure
79.05 dB/W (1.0 m)
Frequency range 55 Hz to 25 kHz (-16 dB)
60 Hz to 20 kHz (-10 dB)
Dimensions (W x H x D)
127 mm x 184 mm x 228 mm
Mass 1.4 kg
GENERAL
Power supply AC 230 to 240V, 50 Hz
Power consumption 60 W
Dimensions (W x H x D)
212 mm x 184 mm x 308 mm
Mass 3.5 kg
Operating temperature range
+5˚C to +35˚C
Operating humidity range
5% to 90% RH (no condensation)
Power consumption in standby
mode 0.7
W (approx.)
Note
1. Specifi cations are subject to change
without notice.
Mass and dimensions are approximate.
2. Total harmonic distortion is measured by
the digital spectrum analyzer.
CD SECTION
Disc played [8 cm or 12 cm]
(1) CD-Audio (CD-DA)
(2) CD-R/RW (CD-DA, MP3)
(3) MP3
Sampling frequency
CD 44.1 kHz
MP3 32 kHz, 44.1 kHz, 48 kHz
Bit rate
MP3 32 kbps to 384 kbps
Decoding 16/20/24 bit linear
Pickup
Wavelength 785 nm
Laser power CLASS 1
Audio output (Disc)
Number of channels 2 channel
Frequency response
20 Hz to 20 kHz (+1, -2 dB)
Wow and fl utter Below measurable limit
Digital fi lter 8 fs
D/A converter MASH (1 bit DAC)
USB SECTION
Playable USB Storage Media
(1) HDD
(2) USB MP3 player/Digital audio player
(3) USB thumbdrives
Supported audio fi le format
MP3
USB memory port
Maximum current 500 mA
Bit rate
MP3 32 kbps to 320 kbps
Audio output (MP3)
Number of channels 2 channel
Frequency response (MP3)
20 Hz to 20 kHz
NS55DB_EB_EN.indd 19NS55DB_EB_EN.indd 19 4/2/07 12:16:07 PM4/2/07 12:16:07 PM
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