15
RQT7903
Specifi cations
AMPLIFIER SECTION
RMS OUTPUT POWER both channel driven
10
% Total harmonic distortion
1
kHz
(Low channel) 15
W per channel (6
Ω)
8
kHz
(High channel) 5
W per channel (6 Ω)
Total Bi-Amp power 20
W per channel
PMPO output power (For South East Asia only) 430
W
Output impedance
Headphone 16-32
Ω
FM TUNER SECTION
Frequency range 87.50–108.00
MHz
(50
kHz step)
Sensitivity 1.5
µV (IHF)
S/N 26
dB 1.25
µV
Antenna terminal(s) 75
Ω (unbalanced)
AM TUNER SECTION
Frequency range 522 – 1629
kHz (9
kHz steps)
520 – 1630
kHz (10
kHz steps)
Sensitivity
S/N 20
dB (at 999
kHz) 500
µV/m
CASSETTE DECK SECTION
Track system 4 track, 2 channel
Heads
Record/playback Solid permalloy head
Erasure AC erase head
Motor DC servo motor
Recording system AC bias 100
kHz
Erase system AC erase 100
kHz
Tape speed 4.8
cm/s
Overall frequency response (+3, -6
dB) at DECK OUT
NORMAL 35
Hz – 14
kHz
S/N RATIO 50
dB (A weighted)
Wow and fl utter 0.08
% (WRMS)
Fast forward and rewind time
Approx. 120 seconds with C-60 cassette tape
CD SECTION
Disc played
CD/MP3/CD-R/RW 8
cm/12
cm
Bit rate
MP3 32
kbps − 320
kbps
Sampling frequency
CD 44.1
kHz
MP3 32
kHz, 44.1
kHz, 48
kHz
Decoding 16 bit linear
Pickup
Beam source/wavelength Semiconductor laser/780
nm
(For Norge)
Bølgelengde 780
nm
Laserstyrke Ingen farlig stråling sendes ut
Number of channels Stereo
Wow and fl utter Below measurable limit
Digital fi lter 8
fs
D/A converter MASH (1 bit DAC)
Frequency response 20
Hz − 20
kHz (+1, -2
dB)
SPEAKER SECTION
Type 2 way, 2 speaker system
Speaker(s)
Woofer 10
cm cone type
Tweeter 6
cm cone type
Impedance
High 6
Ω
Low 6
Ω
Input power (IEC)
High 40
W (Max)
Low 40
W (Max)
Sound pressure level 82
dB/W (1.0
m)
Crossover frequency 3.5
kHz
Frequency range 50
Hz–30
kHz (–16
dB)
55
Hz–25
kHz (–10
dB)
Dimensions (W x H x D) 140
mm x 225
mm x 218
mm
Mass 1.95
kg
GENERAL
Power supply
For Continental Europe AC 230
V, 50
Hz
For United Kingdom, Australia and N.Z.
AC 230-240
V, 50
Hz
For South East Asia AC 220-240
V, 50/60
Hz
Power consumption 62 W
Dimensions (W x H x D) 165
mm x 228
mm x 315.6
mm
Mass 3.8
kg
Power consumption in standby mode 0.8
W
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.
Maintenance
If the surfaces are dirtyIf 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.
For a cleaner crisper soundFor a cleaner crisper sound
Clean the heads regularly to assure good quality playback
and recording.
Use a cleaning tape (not included).
e
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