99
9
RQT9725
ENGLISHENGLISH
Specifications
Amplifier section
Output power 4 W x 2 (RMS MAX / DC)
PMPO output power 90 W
FM/AM tuner section
Frequency Modulation (FM)
Frequency range 87.50 MHz to 108.00 MHz (50 kHz step)
Amplitude Modulation (AM)
Frequency range 522 kHz to 1629 kHz (9 kHz step)
520 kHz to 1630 kHz (10 kHz step)
Terminals section
Headphone jack
Terminal Stereo, 3.5 mm jack (32
)
Music port (front) jack
Sensitivity 100 mV, 4.7 k
Terminal Stereo, 3.5 mm jack
Disc section
Disc played (8 cm or 12 cm)
(1) CD-Audio (CD-DA)
(2) CD-R/RW (CD-DA, MP3
formatted disc)
(3) MP3
MPEG-1 Layer 3, MPEG-2 Layer 3
Bit rate
MP3 32 kbps to 320 kbps
Sampling frequency
CD 44.1 kHz
MP3 32 kHz, 44.1 kHz, 48 kHz
Decoding 16 bit linear
Beam source Semiconductor laser {wavelength 795 nm (CD)}
Frequency response 40 Hz to 20 kHz
Number of channels 2 channel, stereo
Wow and flutter Less than possible measurement data
Cassette deck section
Track system 4 track, 2 channel, stereo
Monitor system Variable sound monitor
Recording system AC bias 84 kHz
Erase system Multi Pole magnet
Frequency response
NORMAL 50 Hz to 12 kHz
USB section (
RX-D53
only)
USB port
Media file format support MP3 (*.mp3)
USB device file system FAT12, FAT16, FAT32
USB port power 500 mA (Max)
Speaker section
Speakers Impedance 4
Full range 2 x 8 cm
General
Power supply
AC 220 V to 240 V, 50/60 Hz
Battery 12 V (8 x LR14, C)
Memory back-up 6 V (4 x R6/LR6, AA)
Power consumption 17 W
Battery life (use only alkaline batteries)
Radio broadcast 9 hours
Radio recording 9 hours
CD playback 6 hours
CD recording 7 hours
Tape playback 8 hours
Dimensions (W x H x D) 408 mm x 148 mm x 271 mm
Mass
RX-D53
3.2 kg without batteries (3.8 kg with batteries)
RX-D48
3.1 kg without batteries (3.7 kg with batteries)
Operating temperature range 0°C to +40°C
Operating humidity range 35% to 80% (no condensation)
Power consumption in standby mode 2 W (240 V) (approximate)
Note:
1. Specifications are subject to change without notice.
Mass and dimensions are approximate.
2. Total harmonic distortion is measured by the digital spectrum analyzer.
Maintenance
If the surfaces are dirty
To clean this unit, wipe with a soft, dry cloth.
If the surfaces are extremely dirty, use a soft cloth dipped in a soap and water
solution or a weak detergent solution.
• 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.
Care of tape deck’s heads
Clean the heads regularly to ensure good quality playback and recording. Use a
cleaning tape (not included).
RX-D53.48_RQT9725-G_1en.indd 9RX-D53.48_RQT9725-G_1en.indd 9 7/17/2012 4:19:01 PM7/17/2012 4:19:01 PM
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