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DAD-1000
Commentary

The first CD player announced by Hitachi Lo-D.

It uses an upright see-through front loading system that can see the rotation of the disk.

In addition to functions such as random memory music selection, one touch music selection, scanner play, memory stop, auto repeat, it is equipped with a location indicator which can tell the pickup position at a glance.

Model Rating
Type CD Player
<Audio section>
Number of channels 2 Channel
Frequency characteristic 5 Hz to 20 kHz ± 0.5 dB
Dynamic range 90 dB or more
Signal-to-noise ratio 90 dB or more
Harmonic distortion factor Not more than 0.03%
Separation 85 dB or More (1 kHz)
Wow and flutter Measurement limit (± 0.001% W. Peak) or less
<disk>
Playing time 60 minutes / one side (up to 75 minutes possible)
Diameter 120mm
Signal Format
Sampling frequency 44.1kHz
Quantization number 16-bit linear / channel
Transmission bit rate 4.3218 Mb / s
<Pickup>
Method Objective lens drive type optical pickup
Objective lens drive system 2 d parallel drive
Light source Semiconductor laser
Wave length 790nm
<General>
Output voltage 2.0Vrms
Power supply voltage 100 VAC, 50Hz/60Hz
Power consumption 24W
External dimensions Width 320x Height 145x Depth 234 mm
Weight 5.6kg