Specifications

System

MiniDisc digital audio system

Disc

MiniDisc

Laser

Semiconductor laser (λ = 780 nm)

 

Emission duration: continuous

Laser output

Less than 44.6 µW*

 

* This output is the value measured at a

 

distance of 200 mm from the objective

 

lens surface on the Optical Pick-up

 

Block with 7 mm aperture.

Laser diode properties

Material: GaAlAs

Revolutions (CLV)

400 rpm to 900 rpm

Error correction

Advanced Cross Interleave Reed

 

Solomon Code (ACIRC)

Sampling frequency

44.1 kHz

Coding

Adaptive Transform Acoustic Coding

 

(ATRAC)

Modulation system

EFM (Eight-to-Fourteen Modulation)

Number of channels

2 stereo channels

Frequency response

5 to 20,000 Hz ±0.5 dB

Signal-to-noise ratio

Over 92 dB during playback

Wow and flutter

Below measurable limit

Inputs

 

Jack type

Input

Raterence

Maximum

 

 

impedance

input

input

 

 

 

 

ANALOG

Phono jacks 47 kilohms

–4 dBu

+12 dBu

(UNBAL) IN

 

 

 

 

 

 

 

 

 

ANALOG

XLR-3-31

30 kilohms

+4 dBu

+24 dBu

(BAL) IN

type

 

 

 

 

 

 

 

 

DIGITAL

Square

Optical

 

 

OPTICAL IN

optical

wave

 

connector

length:

 

 

 

 

jack

660 nm

 

 

 

 

 

 

 

DIGITAL

Phono

75 ohms

0.5Vp-p

COAXIAL IN

jacks

 

±20%

 

 

 

 

 

 

 

Additional Information

Outputs

 

Jack type

Raterence

Load impedance

 

 

output

 

PHONES

Stereo

0–10 mW

32 ohms

 

phone

The level

 

 

jack

varies.

 

 

 

 

 

ANALOG

Phono

Maximum

Over 10 kilohms

(UNBAL)

jacks

+8 dBu

 

OUT

 

 

 

 

 

 

 

ANALOG

XLR-3-32

Maximum

Over 600 ohms

(BAL) OUT

type

+10/+24dBu

 

 

 

(switchable)

 

 

 

 

 

DIGITAL

Square

Optical power

Wave length:

OPTICAL

optical

–18 dBm

660 nm

OUT

connector

 

 

 

jack

 

 

 

 

 

 

DIGITAL

Phono

0.5Vp-p

75 ohms

COAXIAL

jacks

(at 75 ohms)

 

OUT

 

 

 

 

 

 

0 dBu=0.775Vrms

 

 

General

Power requirements

Refer to warning letter.

Power consumption

20 W

Dimensions (approx.) (w/h/d) incl. projecting parts

 

482 ⋅ 91 ⋅ 285 mm

 

(19 ⋅ 3 5/8 ⋅ 11 1/4 in.)

Mass (approx.)

4.5 kg (9 lbs 15 oz)

Supplied accessories

See page 4.

Optional accessories

Wired/wireless remote unit: RM-D5ME

Optical cable: POC-15A, etc.

Coaxial digital connecting cable: VMC-10, etc.

Recordable MDs: MDW-60 (60 min), MDW-74 (74 min)

U.S. and foreign patents licensed from Dolby Laboratories Licensing Corporation.

Design and specifications are subject to change without notice.

31

1/28-36_MDS-E52.12E

31

99.1.29, 10:21 AM

Actual total number:

Sony Sound Tec MDS-E52(E) 2-346-702-12(1)

 

 

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Sony MDS-E52 manual Specifications, Inputs, Outputs, General, Optional accessories

MDS-E52 specifications

The Sony MDS-E52 is a remarkable piece of audio technology introduced as part of the MiniDisc lineup, which was popular during the late 1990s and early 2000s. This device exemplifies Sony's commitment to high-quality sound and innovative features, making it an appealing option for audiophiles and casual listeners alike.

At its core, the MDS-E52 is a MiniDisc recorder that allows users to record and playback digital audio on MiniDiscs. One of its defining features is the Adaptive TRK function, which enables the unit to automatically allocate recording space depending on the length of the audio being captured. This functionality ensures that users can maximize the capacity of their MiniDiscs, accommodating various recording lengths without wasting valuable space.

The MDS-E52 supports various recording modes, including SP (Standard Play), LP2 (Long Play 2), and LP4 (Long Play 4), allowing users to choose between sound quality and recording time. In SP mode, the highest audio fidelity is achieved, while LP modes extend recording time significantly—up to four times the capacity of a standard MD in LP4 mode. This versatility makes it suitable for both high-quality music playback and lengthy voice recordings.

Moreover, the MDS-E52 boasts a digital optical input, making it easy to connect to other digital audio devices. This feature facilitates high-quality audio transfers, preserving the integrity of the sound during recording. The built-in A/D converter ensures that analog audio signals are accurately converted to a digital format, thereby maintaining sound clarity.

Another significant technological advancement of the MDS-E52 is its ability to edit recordings post-capture. Users have the freedom to create playlists, erase tracks, and move audio segments with ease, providing a level of flexibility that earlier formats didn't offer. The user-friendly interface, complete with a clear display and intuitive controls, enhances the overall user experience.

Additionally, the MDS-E52 features a variety of playback options, including shuffle and repeat modes, which allow users to enjoy their favorite tracks in a customizable manner. Its compact design makes it easy to integrate into various audio setups, whether at home or on the go.

Overall, the Sony MDS-E52 stands out as a noteworthy example of early digital audio technology, combining high-quality sound, versatility in recording capabilities, and user-friendly features. Its legacy is marked by its contribution to the evolution of portable and digital music formats, making it a cherished piece of equipment for many music enthusiasts.