User Manual

03/3/25 MD_DR470H_UK_7.fm
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MD-DR470H
MD-DR470H(E) TINSE0513AWZZ
References
-Specifications-
Specifications
As a part of our policy of continuous improvement, SHARP reserves the right to make design and specification chang-
es for product improvement without prior notice. The performance specification figures indicated are nominal values
of production units. There may be some deviations from these values in individual units.
Power source: DC 5 V: AC adaptor (AC 230 V, 50/60 Hz)
DC 1.5 V: Commercially available, "AA" size (LR6), alkaline battery x 1
DC 1.2 V: Rechargeable Nickel-Metal Hydride battery AD-N55BT x 1
DC 4.5 V: Optional car adaptor, AD-CA20X (for cars with a 12 - 24 V DC neg-
ative earth electrical system)
Power consumption: 7 W (AC adaptor)
Output power: RMS: 16 mW (8 mW + 8 mW)
(0.2 % T.H.D.)
Charging time: Approx. 3.5 hours (90 %)
Approx. 5.5 hours (fully charged)
Dimensions: Width: 78.9 mm (3-1/8") Height: 17.8 mm (23/32") Depth: 71.9 mm (2-27/32")
Weight: 140 g (0.31 lbs.) with rechargeable battery
Input socket:
Line/optical digital, microphone (powered by the main unit)
Output socket: Earphones (impedance: 32 ohms)/remote control unit
Type: Portable MiniDisc recorder
Signal readout: Non-contact, 3-beam semiconductor laser pickup
Audio channels: Stereo 2 channels/monaural 1 channel
Frequency response: 20 - 20,000 Hz ( 3 dB)
Rotation speed: Approx. 400 - 1,800 rpm
Error correction: ACIRC (Advanced Cross Interleave Reed-Solomon Code)
Coding: ATRAC/ATRAC3 (Adaptive TRansform Acoustic Coding)
Recording method:
Magnetic modulation overwrite method
Sampling frequency: 44.1 kHz (32 kHz and 48 kHz signals are converted to 44.1 kHz, and then recorded.)
Wow and flutter: Unmeasurable (less than 0.001 % W. peak)