EDIROL R4PRO

R-4: 4-channel Portable Recorder and Wave Editor
Recorder Part Channels 4
Signal Processing
AD/DA Conversion: 24 bits
Sampling Frequency: 44.1/48/96 kHz
Data Type
Format: WAV
Sampling Frequency: 44.1/48/96 kHz
Bit Depth: 16/24 bits
Media
internal Hard Disk Drive (40 GB)
CompactFlash (supports 32 MB to 2 GB)
Recording time
16 bit/44.1 kHz (Stereo): 58 hours
16 bit/48 kHz (Stereo): 53 hours
24 bit/48 kHz (Stereo): 35 hours
16 bit/96 kHz (Stereo): 17 hours

* These recording times are approximate. Your actual results may vary somewhat.
* If more than one recorded file exists, the total recordable time will be less than these.
Audio Input and Output Part
Analog Inputs
Channel 1/2/3/4: XLR type (phantom powered), 1/4 inch TRS phone type (balanced/unbalanced)
Internal Microphone (Stereo)
Analog Outputs
LINE Out: 1/4 inch phone type (L, R), RCA phono type (L, R)
Headphones: Stereo 1/4 inch phone type
Digital Input/Output
Coaxial type (conforms to IEC60958)
Input Impedance
4 k ohms
Nominal Input Level (Variable)
Line Level: -33-- +4 dBu
MIC Level: -60-- -23 dBu
Output Impedance
LINE Out: 950 ohms
Headphones: 10 ohms
Output Level
LINE Out: -10 dBV
Headphones 40 mW + 40 mW
Residual Noise Level
LINE Out: -85 dBu
Digital Data: -90 dBFS
(fs = 96 kHz, Input: 1 k ohms terminated, Level Switch: MIC, Input Level Knob: Min. Input: 4 channels simultaneously)
Total Harmonic Distortion (THD + N)
0.03 %
(fs = 96 kHz, Input: 1 k ohms terminated, Level Switch: LINE, Input Level Knob: Min. Input: 4 channels simultaneously, Band Width: 22 kHz)
Recommended Load Impedance for Headphones
32 ohms
Frequency Response
20 Hz to 40 kHz (0 to -3 dB)
Phantom Power
48+/-2 V / 8 mA (Available 4 Channels simultaneously)
Other Input/Output Part
USB Interface
B Type Connector
Supports USB 1.1 and 2.0 Mass Storage Device Class.
CompactFlash Slot
Supports Type I only.
L Connector
Receiving only.
Supports Start/Stop Sync only.
Not Supports Timecode.
Effect Unit Part
Effect Type
3-BAND SHELVING EQ, 6-BAND GRAPHIC EQ, NOISE GATE, ENHANCER, COMPRESSOR AND DE-ESSER, NO EFFECT
Available to either recording or playing.
Not available to recording in 96 kHz sampling frequency.
Control
Power Switch
Hold Switch
Input Gain Knobs: CH1--CH4
Monitor Level knob
Input Level Switches: CH1/2, CH3/4 (LINE/MIC Level)
Phantom Power Switches: CH1/2, CH3/4
Limiter Switch
Scrub (Value)/Shuttle Dial
Transport Buttons: PREV (REW), NEXT (FWD), STOP, PLAY/PAUSE, REC
Marker Buttons: CLEAR, PREV, NEXT, MARK
Function Buttons: WAVE EDIT, EFFECTS, SYSTEM
A-B Repeat Button
Display Button
Others
Display
128 x 64 dots Graphic LCD (backlit LCD)
Power Supply
AC Adaptor (PSB-1U), Alkaline dry battery LR6 (AA) type x 8, or Nickel Hydrogen battery (HR15/51) x 8
Power Consumption
1.2 A
Accessories
Owner's Manual
AC Adaptor (PSB-1U)
USB cable
Carrying Case
Size and Weight
Width 240 mm
Depth 217 mm
Height 77 mm
Weight 1.7 kg