English
— 40 —
— 40 —
Specifications
Specifications subject to change without notice.
FM tuner section
Frequency range (50 kHz space) ..............87.5 MHz – 108.0 MHz
Usable sensitivity (S/N = 26dB) ...............................
0.7 µV /75
Ω
Quieting Sensitivity (S/N = 46dB) ............................
1.6 µV /75
Ω
Frequency response (
±
3 dB) .................................30 Hz – 15 kHz
Signal to Noise ratio (MONO) ..............................................65 dB
Selectivity (DIN) (
±
400 kHz)..............................................
≥
80 dB
Stereo separation (1 kHz) ....................................................35 dB
MW tuner section
Frequency range (9 kHz space) .....................531 kHz – 1611 kHz
Usable sensitivity (S/N = 20dB) ...........................................
25 µV
LW tuner section
Frequency range .............................................153 kHz – 281 kHz
Usable sensitivity (S/N = 20dB) ...........................................
45 µV
CD player section
Laser diode ....................................................GaAlAs (
λ
=780 nm)
Digital filter (D/A)......................................8 Times Over Sampling
D/A Converter .......................................................................1 Bit
Spindle speed ...............................................500 – 200 rpm (CLV)
Wow & Flutter........................................Below Measurable Limit
Frequency response (
±
1 dB) .................................10 Hz – 20 kHz
Total harmonic distortion (1 kHz) ......................................0.01 %
Signal to Noise ratio (1 kHz) ................................................96 dB
Dynamic range ....................................................................95 dB
Channel separation ..............................................................90 dB
Audio section
Maximum output power .................................................50 W x 4
Full Bandwidth Power (DIN 45324, +B=14.4V) .............30 W x 4
Tone action
Bass : ..............................................................100 Hz
±
10 dB
Middle : .............................................................1 kHz
±
10 dB
Treble : ............................................................10 kHz
±
10 dB
Preout level / Load (during disc play)....................
1800 mV/10 k
Ω
Preout impedance ............................................................
≤
600
Ω
General
Operating voltage (11 – 16V allowable) .............................14.4 V
Current consumption.............................................................10 A
Installation Size (W x H x D) .........................180 x 50 x 159 mm
Weight ................................................................................1.4 kg
Z638_U.S 01.12.3 1:48 PM Page 40
Summary of Contents for Z-638
Page 1: ...NUAL ...