HHB comm HHB MDP500 - Manual (Page 31)

NOTES
PORTADISC MDP500 MiniDisc Recorder
31 30
TECHNICAL DATA
PORTADISC MDP500 MiniDisc Recorder
GENERAL
Format . . . . . . . . . . . . . . . . . . . MiniDisc digital audio system
Disc . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . MiniDisc
Recording method . . . . . . . . Magnetic field variation overwrite
Reading method . . . . . . . . . . . . . . Non contact optical pickup
Laser . . . . . . . . . . . Semiconductor laser (wavelength 780nm)
Record/playback time
Stereo mode . . . . . . . . . . . . . . . . . . . . . . . 80 minutes max
Mono mode . . . . . . . . . . . . . . . . . . . . . . . 160 minutes max
Rotation speed . . Approx 400-900rpm Constant Linear Velocity
Sampling frequency . . . . . . . . . . . . . . . . . . . . . . . . 44.1kHz
(with internal SRC to cater for 32kHz and 48kHz source signals)
Coding . . . . . . . . . . . . . . . . . . . . . . . . . . . . ATRAC Ver 4.5
Modulation system . . . . . . EFM (Eight to Fourteen Modulation)
Channels . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2
Power requirement . . . . . . . . . . . . . . . . . . . . . . 12-14V DC
Power consumption . . . . Approx 4.5W record, 3.5W playback
Weight with batteries . . . . . . . . . . . . . . . . 2.0kg / 4lbs 7oz
Weight without batteries . . . . . . . . . . . . . 1.8kg / 3lbs 15oz
Dimensions (WxHxD) . . 225 x 57 x 180mm/10 x 2.2 x 7.1 ins
Internal speaker power . . . . . . . . . . . . . . . . . . . . . . 250mW
AUDIO
Frequency response . . . . . . . . . . . . . 10Hz to 20kHz, - 0.5dB
Wow & flutter . . . . . . . . . . . . . . . . . Below measurable limits
Signal to noise ratio (playback) . > 89dB bandwidth 22Hz to 22kHz
Dynamic range (line input) . . . . . . . . . . . . . . . . . . . . > 96dB
Microphone EIN . . . . . . . . . . . . . . . . . . > 122dB A-weighted
THD & N @ 1kHz ref 0dBFS . < 0.02% bandwidth 22Hz to 22kHz
I/O CONNECTIONS
Analog connectors
Balanced mic/line input
Connector type . . XLR 3: Pin 2 + Hot; pin 3 - Cold; Pin 1 Ground
Mic input level for 0dBFS (level control at max) . . . . . . -52dBu
Line input level for 0dBFS (level control at max) . . . . . . . -2dBu
Phantom power (mic inputs) . . . . . . . . . . . . . . . . +48V, 7mA
Unbalanced line output
Connector type . . . . . . . . . . . . . . . . . . . . . . . . . RCA phono
Output level . . . . . . . . . . . . . . . . . +8dBu @ 0dBFS into >10k
Headphone output
Connector type . . . . . . . . . . . . . . . . . . . . . 1/4" stereo jack
Impedance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32
Output power . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15mW
Remote control . . . . . . . . . . . . . . . . . . . . . . . . . . . . Parallel
Connector type . . . . . . . . . . . . . . . . . . . . . . . 8-pin mini DIN
Digital connectors
Coaxial digital input . . . . . . . . . . . . . . . . . . . . . . . . . . SPDIF
Connector type . . . . . . . . . . . . . . . . . . . . . . . . . RCA phono
Input impedance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 75
Input level . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0.5V p-p
Optical digital input . . . . . . . . . . . . . . . . . . . . . . . . . . SPDIF
Connector type . . . . . . . . . . . . . . . . . . . . . . . . . . . . TOSlink
Coaxial digital output . . . . . . . . . . . . . . . . . . . . . . . . . SPDIF
Connector type . . . . . . . . . . . . . . . . . . . . . . . . . RCA phono
Output impedance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 75
Output level . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0.5V p-p
Optical digital output . . . . . . . . . . . . . . . . . . . . . . . . . SPDIF
Connector type . . . . . . . . . . . . . . . . . . . . . . . . . . . . TOSlink
USB (Ver 1) input / output
Connector . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Type B
Interface . . . . . . . . . . . . . . . . . . . . . . Windows 98/2000, Mac OS
ACCESSORIES
The following accessories are included as standard . . . . . . . . . .
Soft case, carrying strap, battery caddy with 8 x NiMH
rechargeable batteries, spare battery caddy, AC adaptor/charger,
HHB MD80 MiniDisc, operating instructions, quick reference guide
NOTE: The specifications and design of this product are subject
to change without notice, due to improvements.
US patents 4,790,016 and 4,914,701 and foreign equivalents
licensed from Dolby Laboratories Licensing Corportation.
Published by HHB Communications Ltd.
Copyright © 2001 HHB Communications Ltd.
All rights reserved.