Specifications

System

Audio playing system

MiniDisc digital audio system

Laser diode properties Material: GaAlAs Wavelength: l = 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 lens surface on the optical pick-up block.)

Revolutions

400 rpm to 900 rpm (CLV)

Error correction

Advanced Cross Interleave Reed Solomon Code (ACIRC)

Sampling frequency

44.1kHz

Coding

Adaptive TRansform Acoustic Coding (ATRAC)

Modulation system

EFM (Eight to Fourteen Modulation)

Number of channels

2 stereo channels

1 monaural channel

Frequency response

20 to 20,000 Hz ± 3 dB

Wow and Flutter

Below measurable limit

Outputs

Headphones: stereo mini-jack, maximum output level 15 mW + 15 mW, load impedance 16 ohm

General

Power requirements

Sony AC Power Adaptor AC-E45HG (not supplied) connected at the DC IN 4.5 V jack: 120 V AC, 60 Hz

Two size AA (LR6) batteries (not supplied) Nickel metal hydride rechargable battery BP- DM20 (not supplied)

Battery operation time

Approx. 4 hours with two size AA(R6) batteries Approx. 3 hours with BP-DM20 Nickel Metal Hydride Rechargeable battery

Dimensions

Approx. 129.9 × 24.5 × 79.4 mm (w/h/d) (5 1/8 × 1 × 3 1/4 in.)

Mass

Approx. 170 g (6.0 oz) the player only Approx. 300 g (10.6 oz)

incl. a premastered MD, headphones, and two Sony alkaline LR6 (SG) batteries

Supplied accessories Headphones (1) Carrying case (1)

Optional accessories

AC-E45HG AC power adaptor

BP-DM20 Nickel Metal Hydride Rechargeable battery

DCC-E245 Car battery cord CPA-9 Car Connecting Pack MDR-D33, MDR-D55, MDR-D77 Stereo Headphones

SRS-A41 Sony Active Speakers CK-MD4 MiniDisc Carrying Case CK-MD10 MiniDisc Filing Box

Your dealer may not handle some of the above listed accessories. Please ask the dealer for detailed information about the accessories in your country.

US and foreign patents licensed from Dolby Laboratories Licensing Corporation.

Design and specifications are subject to change without notice.

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Sony MZ-E40 manual Specifications, System, General, Optional accessories

MZ-E40 specifications

The Sony MZ-E40, introduced in the late 1990s, was a groundbreaking MiniDisc player that marked a significant advancement in portable audio technology. The device, characterized by its compact design and user-friendly features, quickly captured the attention of music enthusiasts and casual listeners alike.

One of the standout features of the MZ-E40 is its lightweight and slim profile, making it one of the most portable MiniDisc players of its time. With an ergonomic design, it was easy to carry, fitting comfortably into pockets or bags. This portability was complemented by its impressive battery life, allowing users to enjoy their favorite music for extended periods without frequent recharges.

The MZ-E40 utilized MiniDisc technology, which provided users with high-quality digital audio in a durable and flexible format. MiniDiscs were re-recordable, meaning users could easily update their playlists without losing the quality of the recordings. The player's ability to handle various bit rates further enhanced audio fidelity, offering a high-quality listening experience.

Additionally, the MZ-E40 came equipped with key features such as digital pitch control, allowing users to adjust the playback speed of their music without altering the pitch. This was particularly beneficial for musicians and DJs who wanted to experiment with sounds or mix tracks seamlessly. The device also boasted a built-in equalizer, enabling users to customize their listening experience by adjusting sound profiles to suit their preferences.

The MZ-E40 incorporated advanced anti-shock technology, which minimized playback interruptions caused by bumps and jolts, making it an excellent choice for active users. This feature allowed listeners to enjoy their music without worrying about disruptions from everyday activities.

Moreover, the MZ-E40 was compatible with various accessories, including remote controls and external speakers, enhancing its versatility. The inclusion of a backlit display made navigation easier, even in low-light conditions, while the intuitive interface ensured that users could quickly access their music library.

In conclusion, the Sony MZ-E40 was a pioneering device in the world of portable music, offering a unique combination of portability, audio quality, and user-friendly features. Its innovative technologies and characteristics laid the groundwork for future portable audio devices, solidifying its place in the history of music playback technology. The MZ-E40 remains a beloved piece of gear for those who cherish the nostalgia of the MiniDisc era.