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Specifications – Sony MZ-R900 User Manual

Page 68

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68

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Specifications

Audio playing system

MiniDisc digital audio system

Laser diode properties

Material: GaAlAs
Wavelength:

λ = 790 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 with 7 mm aperture.)

Recording and playback time

When using MDW-80:

Maximum 160 min. in monaural
Maximum 320 min. in stereo

Revolutions

350 rpm to 2,800 rpm (CLV)

Error correction

ACIRC (Advanced Cross Interleave Reed
Solomon Code)

Sampling frequency

44.1 kHz

Sampling rate converter

Input: 32 kHz/44.1 kHz/48 kHz

Coding

ATRAC (Adaptive TRansform Acoustic
Coding)
ATRAC3 — LP2
ATRAC3 — LP4

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

Inputs

Microphone: stereo mini-jack, minimum input
level 0.25 mV
Line in

1)

: stereo mini-jack, minimum input

level 49 mV
Optical (Digital) in

1)

: optical (digital) mini-jack

Outputs

i

/LINE OUT

2)

: stereo mini-jack

headphones/earphones: maximum output
level 5 mW + 5 mW, load impedance 16 ohm
LINE OUT: 194 mV, load impedance 10
kilohm

1)

The LINE IN (OPT) jack is used to connect

either a digital (optical) cable or a line
(analog) cable.

2)

The i/LINE OUT jack connects either

headphones/earphones or a line cable.

Power requirements

Sony AC Power Adaptor connected at the DC
IN 3V jack:

230– 240 V AC, 50/60 Hz (UK and Hong
Kong model)
220– 230 V AC, 50/60 Hz (Other European
model)
100– 240 V AC, 50/60 Hz (Other models)

Nickel metal hydride rechargeable battery NH-
14WM
LR6 (size AA) alkaline battery

Battery operation time

See “ Battery life” (page 57)

Dimensions

Approx. 78.9

Ч 17.1 Ч 72.0 mm (w/h/d)

(3

1

/

8

Ч

11

/

16

Ч 2

7

/

8

in.)

Mass

Approx. 110 g (3.9 oz) the recorder only

Supplied accessories

AC power adaptor (1)
Headphones/earphones with a remote control
(1)
Rechargeable battery (1)
Dry battery case (1)
Rechargeable battery carrying case (1)
Carrying pouch/carrying case with a belt clip
(except U.S.A. model) (1)
AC plug adaptor (World model only) (1)
Optical cable (1)

US and foreign patents licensed from Dolby
Laboratories.

Design and specifications are subject to change
without notice.

Optional accessories

Optical Cable

POC-151HG, POC-152HG, POC-MZ1,
POC-MZ2, POC-15B, POC-15AB, POC-
DA12SP

Line Cable RK-G129, RK-G136
Stereo Microphones ECM-717, ECM-MS907,
ECM-MS957
Stereo Headphones/earphones* MDR-D77,
MDR-D55
CD text connecting cable RK-TXT1
Active Speakers SRS-Z500
Recordable MDs MDW-series