Specifications

As a part of our policy of continuous improvement, SHARP reserves the right to make design and specification changes 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.

References

456

■ General

Power source:

 

DC 5V:

AC adaptor (AC 230 - 240V, 50/60 Hz)

DC 1.5V:

Commercially available, “AA” size (LR6), al-

 

kaline battery x 1

DC 1.2V:

Optional rechargeable Nickel-Metal Hydride

 

battery (AD-N70BT) x 1

DC 4.5V:

Optional car adaptor, AD-CA20X

 

(for cars with a 12-24V DC negative earth elec-

 

trical system)

Power consumption: 7 W (AC adaptor)

Output

RMS; 20 mW (10 mW + 10 mW)

power:

(0.2% T.H.D.)

Charging

Approx. 3.5 hours (90 %)

time:

Approx. 5.5 hours (fully charged)

 

(When using the AC adaptor included with the unit)

Battery life:

When using a commercially

When using the optional re-

available, high capacity, “AA”

chargeable battery AD-N70BT

size (LR6), alkaline battery

(fully charged)

Continuous recording:

Continuous recording:

Approx. 3 hours

Approx. 4.5 hours

Continuous play:

Continuous play:

Approx. 7 hours

Approx. 6.5 hours

●The continuous recording time is for analogue inputs when the volume level is set to “VOL 0”.

●The continuous play time shows the value when the volume level is set to “VOL 15”.

●The above values are the standard values when the unit is charged and used at an ambient temperature of 20°C (68°F).

●The operating time when using an alkaline battery may be dif- ferent, depending on the type and manufacturer of the battery, and on the operating temperature.

Input sensitivity:

Recording level

 

Reference input level

 

Input impedance

MIC H

 

 

0.25 mV

 

 

10 k ohms

MIC L

 

 

2.5 mV

 

 

10 k ohms

LINE

 

 

100 mV

 

 

20 k ohms

Output level:

 

 

 

 

 

 

 

 

 

Specified

Maximum

 

Load

 

 

 

output

output level

impedance

Earphones

 

 

—

10 mW + 10 mW 32 ohms

LINE

250 mV (-12 dB)

—

 

10 k ohms

Dimensions:

 

 

Width:

99.9 mm (3-15/16”)

 

 

 

Height:

22.9 mm (29/32”)

Weight:

 

 

Depth:

77.9 mm (3-3/32”)

 

 

168 g (0.37 lbs.) without battery

Input socket:

 

 

Line/optical digital, microphone

Output socket:

 

(powered by the main unit)

 

 

Earphones (impedance: 32 ohms)

■MiniDisc Recorder

Type:Portable MiniDisc recorder

Signal readout: Non-contact, 3-beam semi-conductor laser pick-up

Audio channels: Stereo 2 channels/monaural (long-play mode) 1 channel

Frequency response: 20 – 20,000 Hz (± 3 dB)

Rotation speed: Approx. 400 – 900 rpm

Error correction: ACIRC (Advanced Cross Interleave Reed- Solomon Code)

Coding:ATRAC (Adaptive Transform Acoustic Coding), 24-bit computed type

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)

Page 45 Page 47
Page 46
Image 46
Sharp MD-SR50H operation manual Specifications, 456
Page 45 Page 47

MD-SR50H specifications

The Sharp MD-SR50H is an innovative portable mini-disc player that captures attention with its sleek design and advanced features, making it an ideal choice for audiophiles and casual listeners alike. This compact device brings convenience and quality audio to users, showcasing Sharp's commitment to excellence in sound technology.

At the heart of the MD-SR50H is its ability to play standard MiniDiscs, providing a unique combination of digital and analog sound formats. The device features a high-quality 1-bit digital-to-analog converter, ensuring exceptionally clear audio reproduction that rivals traditional CD players. Additionally, the MiniDisc format allows for efficient data storage, enabling users to record and store multiple hours of music in high fidelity.

One of the main highlights of the MD-SR50H is its impressive storage capacity. Users can store up to 320 minutes of music on a single MiniDisc when utilizing LP4 mode, allowing for long listening sessions without the need to change discs. The player also supports various recording modes, including stereo and monaural options, which provide flexibility based on user preferences and requirements.

In terms of connectivity, the MD-SR50H includes a built-in USB port, making it easy for users to connect to their computers and transfer music files. This feature enhances the device's versatility, enabling digital file management and quick updates of music libraries. The player is also equipped with a headphone jack, providing a direct connection for personal listening with headphones.

The MD-SR50H is designed for portability, with its lightweight construction and compact form factor. It comes with an ergonomic layout, providing easy access to controls, allowing users to navigate their playlists effortlessly. The battery life of the MD-SR50H is also commendable, with a lasting power that ensures uninterrupted music playback during on-the-go use.

Additional features include a liquid crystal display, which clearly shows track information and playback status, and a variety of playback options such as shuffle and repeat modes for tailored listening experiences. Overall, the Sharp MD-SR50H combines cutting-edge technology with user-friendly design, making it a noteworthy choice for anyone looking to enjoy music in a compact and reliable format.
Top Page Image Contents