55
Additional Information
Specifications

General

Power source .............. 14.4 V DC (10.8 – 15.1 V allowable)
Grounding system .......................................... Negative type
Max. current consumption ........................................ 10.0 A
Dimensions
(mounting size) ...... 178 (W) ×100 (H) ×160 (D) mm
(front face) ................ 170 (W) ×95 (H) ×16 (D) mm
Weight ...................................................................... 2.7 kg

Audio/DSP

Continuous power output is 22 W per channel min. into 4
ohms, both channels driven 50 to 15,000 Hz with no more
than 5% THD.
Maximum power output ...................................... 50 W ×4
Load impedance ............................ 4 (4 – 8 allowable)
Preout maximum output
level/output impedance .............................. 2.0 V/1 k
Loudness contour ............ +10 dB (100 Hz), +7 dB (10 kHz)
(volume: –30 dB)
Equalizer (13-Band Graphic Equalizer)
Frequency ...................... 50/80/125/200/315/500/800
1.25k/2k/3.15k/5k/8k/12.5k Hz
Equalization range ............................................ ±12 dB
HPF Frequency .................................. 50/63/80/100/125 Hz
Slope ........................................................ –12 dB/oct.
Subwoofer
Frequency .................................. 50/63/80/100/125 Hz
Slope ........................................................ –18 dB/oct.
Gain ........................................................ +6 — –24 dB
Phase ................................................ Normal/Reverse

CD player

System .................................... Compact disc audio system
Usable discs .................................................. Compact disc
Signal format
Sampling frequency ...................................... 44.1 kHz
Number of quantization bits ........................ 16; linear
Frequency characteristics ................ 5 – 20,000 Hz (±1 dB)
Signal-to-noise ratio ............ 94 dB (1 kHz) (IEC-A network)
Dynamic range .............................................. 92 dB (1 kHz)
Number of channels ............................................ 2 (stereo)

MD player

System ................................ Mini disc digital audio system
Usable discs .......................................................... Mini disc
Signal format
Sampling frequency ...................................... 44.1 kHz
Number of quantization bits ........................ 16; linear
Frequency characteristics .............. 20 – 20,000 Hz (±1 dB)
Signal-to-noise ratio ............ 90 dB (1 kHz) (IEC-A network)
Dynamic range .............................................. 90 dB (1 kHz)
Number of channels ............................................ 2 (stereo)

FM tuner

Frequency range ........................................ 87.5 – 108 MHz
Usable sensitivity ........................................................ 9 dBf
(0.8 µV/75 , mono, S/N: 30 dB)
50 dB quieting sensitivity .......................................... 15 dBf
(1.5 µV/75 , mono)
Signal-to-noise ratio ........................ 70 dB (IEC-A network)
Distortion .......................... 0.3% (at 65 dBf, 1 kHz, stereo)
Frequency response ...................... 30 – 15,000 Hz (±3 dB)
Stereo separation .......................... 40 dB (at 65 dBf, 1 kHz)

AM tuner

Frequency range .......................... 531 – 1,602 kHz (9 kHz)
530 – 1,640 kHz (10 kHz)
Usable sensitivity .................................. 18 µV (S/N: 20 dB)
Selectivity .................................................... 50 dB (±9 kHz)
50 dB (±10 kHz)
Note:
US and foreign patents licensed from Dolby
Laboratories.
Specifications and design are subject to modifica-
tion without notice for the sake of improvements.