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R-4 4Channel Portable Recorder and Wave EditorR-4
Overview  Details  Specification

Overview



The R-4 brings you a new generation of portable recording. Enjoy superb sound quality. Use the 40GB hard disk drive for extended recording. Record up to four channels at once. Edit waveforms on the recorder itself. All this plus a compact size and light weight that assure outstanding mobility in the field.The EDIROL R-4. Gear up for the new generation of portable recording.

  • 4-Channel Recording
  • 24-bit/96-kHz Resolution
  • 40GB Hard Disk Drive
  • Wave Editing Function
  •  

    Details

    Advanced Recording
    Extended Recording with 40GB Hard Disk Drive
    Equipped with a 40GB hard disk drive, the R-4 can record up to 17 hours at maximum sound quality or up to 58 hours at CD quality.

    Superior 24-bit/96-kHz Linear Recording
    Totally uncompressed recording assures outstanding sound quality. Choose 16-bit or 24-bit quantization and a sampling rate of 44.1 kHz, 48 kHz, or 96 kHz. Save data as WAV files.

    Simultaneous 4-Channel Recording
    The 4 XLR/Phone combo jacks come with switchable phantom power and give you a choice of MONO, STEREO, STEREO X2, or 4CH recording. Digital input/output is also provided. Four-channel recording gives you exceptional flexibility. For example, you can use mics to capture the ambience of a performance hall while using line input to record the performance itself. Or you can record at several different level settings simultaneously.

    Built-In
    R-4On-Board Limiter
    Built into the analog stage, the Limiter helps deliver a stable and reliable recording free of clipped noise from sudden input surges.

    Built-In Nondirectional Stereo Microphones
    The R-4's nondirectional, back electret condenser microphones offer superb transient characteristics and vibration resistance.

    Pre-Recording Function
    When the REC button is pressed, the current material is appended to a buffer that contains recorded material from a few seconds earlier. This helps prevent missed recording opportunities or sound bites/actualitie at the beginning of a recording.

    Five High-Quality Effects
    The R-4 lets you tailor the sound during both recording and playback.

    *Built-In Effects

  • 3-Band EQ
  • Graphic EQ
  • Noise Gate
  • Enhancer
  • Comp & DeEsser
  • Wave Editing
    Wave EditingWaveform Editing Using Only the R-4
    The R-4 is all you need to edit waveforms. Just watch the waveform on the LCD as you edit. Scrubbing playback with the shuttle dial lets you set the edit points precisely by sound.

    *Waveform Editing Functions

    Trim (Delete) Select two points and remove the waveform between them
    Divide (Split) Select one point and divide the file there
    Divide (Split) Combine a file with the one before it
    Merge (Bounce) Merge several channels into one

    Easy Playback
    Easy PlaybackIndex Any Point Instantly
    Press the mark button anytime during recording or playback to mark that point for easy, instant indexing later. With the A-B repeat function you can set two points and repeatedly play back the material between them.

    Easy Playback with the Jog Dial
    Use the jog dial to fast-forward or rewind at any of seven speed levels.

    Built-In Stereo Speakers
    The R-4's built-in speakers make it easy to monitor recorded sound without headphones.

    Computer Linking
    Computer LinkingUSB 2.0 Terminal Provides a High-Speed Computer Data Link
    The USB 2.0 high-speed mode transfers data about 20 times faster than DAT. You can also use the R-4 as a 40GB storage device. Edit R-4 files directly from DAWs and other applications.

    Advanced Linking with the EDIROL DV-7DL
    Advanced Linking with the EDIROL DV-7DL Editor and exchange files.

    CompactFlashェ Slot
    The CompactFlash slot makes it easy to read or write recorded files. You can use CompactFlashェ memory to give data to colleagues or to transfer data to equipment not equipped with a USB interface.

    2-Way Power Supply
    The R-4 runs on eight AA batteries or with the AC adaptor.

     

    Specification

    R-4: 4-channel Portable Recorder and Wave Editor
    Recorder Part
    Channels
    Signal Processing
    4
    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

    Analog Outputs
    Channel 1/2/3/4: XLR type (phantom powered), 1/4 inch TRS phone type (balanced/unbalanced)
    LINE Out: 1/4 inch phone type (L, R), RCA phono type (L, R)
    Internal Microphone (Stereo)
    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

    CompactFlash Slot
    B Type Connector
    Supports USB 1.1 and 2.0 Mass Storage Device Class.
    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
    Power Supply
    128 x 64 dots Graphic LCD (backlit LCD)
    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
    Depth
    240 mm
    217 mm
    9-1/2 inches
    8-9/16 inches
    Height 77 mm 3-1/16 inches
    Weight 1.7 kg 3 lbs. 12 oz.
    *The specifications are subject to change without notice.