HHB MPD500 PORTABLE MINIDISC RECORDER

SPECIFICATIONS
 
GENERAL  
Format MiniDisc digital audio system
Disc MiniDisc
Recording method Magnetic field variation overwrite
Reading method Non contact optical pickup
Laser Semiconductor laser (wavelength 780mm)
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 12-15V 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
 
Analogue 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 >10kΩ
   
Headphone output  
Connector type 1/4" stereo jack
Impedance 32Ω
Output power 15mW
   
Remote control Parallel
Connector type 8-pin mini DIN
   
Digital connectors  
Coaxial digital input SPDIF
Connector type RCA phono
Input impedance 75Ω
Input level 0.5V p-p
   
Optical digital input SPDIF
Connector type TOSlink
   
Coaxial digital output SPDIF
Connector type RCA phono
Output impedance 75Ω
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,XP, Mac OS