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Edirol R4

4-Channel Mobile Recorder with Onboard Wave Editing, 40GB Internal Drive

Product Code 40666

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The R-4, a 4 channel portable digital recorder and wave editor - all in one convenient unit. The R-4 is uniquely designed to offer sound professionals a cost-effective, high-quality solution to multi-channel field recording. The ability to record 4-channels in 24-bit/96kHz resolution and edit the file in the R-4 (which could contain anything from an interview to a concert), for immediate broadcast right out of the R-4 is of inestimable value to an audio or broadcast professional on a tight schedule. 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.

Extended Recording with 40GB Hard Disk Drive
The R-4 records directly to an internal 40GB hard drive providing storage capacity for 58 hours of CD quality 16-bit/44.1kHz stereo recording or over 17 hours at 24-bit/96kHz. The R-4 can record at audio resolutions up to 24-bit/96kHz on all four channels, for total high-resolution multi-channel performance. The unit features a built-in limiter and 5 different dynamic processors; 3-Band Parametric EQ, 6-Band Graphic EQ, Noise Gate, Enhancer, and Compressor / Desser. more

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.

Waveform 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. The built-in wave editing is designed to offer the user immediate access after recording to make quick edits before getting into the studio. This would be for situations where you either won’t have access to editing later, or just want to do it while you remember what you need to edit. It is perfect for sound designers or those who need to be able to quickly
get a good representative product to their editor/news team, etc.

On-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 omnidirectional, 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 at the beginning of a recording. In addition, the R-4 also provides five high-quality effects. The R-4 lets you tailor the sound during both recording and playback.

L Terminal for Linking a Digital Video Camera
The R-4’s L terminal lets you connect a similarly equipped digital video camera to synchronize the camera start/stop while R-4 is recording. Counting the camera’s two channels, this configuration gives you a total of six audio channels - a wealth of audio data to get creative with.

Index 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.

USB 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. EDIROL designs its USB devices in accordance with USB specifications and has passed all compatibility tests, which are continuously held and organized by USB Implementers Forum (USB-IF).

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UPC: 761294085837

Extended recording with 40GB hard disk drive.

Superior 24-bit/96-kHz linear recording.

Simultaneous 4-channel recording.

Waveform editing using only the R-4.

On-board limiter.

Built-in nondirectional stereo microphones.

Pre-recording function, five high-quality effects.

L terminal for linking a digital video camera.

Index Any Point Instantly .

USB 2.0 terminal provides a high-speed computer data link.

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.

Advanced Linking with the EDIROL DV-7DL: A USB cable is all you need to connect directly to an EDIROL DV-7DL Video Editor and exchange files.

CompactFlash™ Slot: The CompactFlash™ slot makes it easy to read or write recorded files. You can use CompactFlash™ 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.

Digital Audio Input/Output: Exchange data with other digital equipment while maintaining fidelity with the coaxial digital audio in/out.

Soft Carrying Case: The R-4 comes with a soft carrying case with a shoulder strap for safe, comfortable use in the field.

Controls: Input Gain Knobs (CH1, CH2, CH3, CH4), Input Level Switch (CH1/2, LINE, MIC), Input Level Switch (CH3/4, LINE MIC), Monitor Knob, Jog Shuttle.
Transport Buttons: (PREV, NEXT, STOP,PAUSE, PLAY, REC).

Function Buttons: Hold Switch, Phantom Switch (CH1/2, CH3/4), Limiter Switch.


Mini-Miniature Phone Type Receive Only. (96kHz: Invalid)

Card Slot: CompactFlash.

Effect Unit.

Tone Control.

Shelving EQ.

Graphic EQ.


Noise Reducer.


Connectors: Channel 1/2 3/4: XLR/PHONE type, (phantom powered: XLR only)

Impedance: 4 k Ohms or more

Frequency Response: 44.1kHZ: 20Hz to 20kHz (0 dB/-2dB) - 48kHz: 20Hz to 22kHz (0 dB/-2dB) - 96kHz: 20Hz to 40kHz (0dB/-3dB).

Nominal Input Level Channel 1,2,3,4: -60 to +4 dBu (Variable).

Output Connectors: RCA Phono type (L,R) Headphones jack stereo 1/4" Phone Type.

Impedance L,R: 950 Ohms, Phones: 10 Ohms.

Output Level: L,R: -7.8 dBu (-10 dBV).

Phones: 30mW +30mW (32 Ohms load).

Digital Output Jack: Coaxial type (conforms to IEC60958).

Digital Input Jack: Coaxial Type (conforms to IEC60958).

USB Connector, B Type.

Display: 128 x 64 Graphic LCD.

Signal Processing: AD/DA Conversion: 24-bit.

Headroom: 12 dB.

Sample Rate AD/DA Conversion: 44.1/48/96kHz.

Digital Output: 44.1/48/96kHz.

Digital Input: 32kHz to 96kHz (Convert to internal sample rate).

Hard Disk Capacity: 40GB.

Recording Time: 16-bit/44.1kHz: 58 hours, 16-bit/48kHz: 53 hours, 24-bit/96kHz: 17 hours.

Power Supply: DC 9V (AC Adapter) AA Battery x 8.

Dimensions: 254(W) x 221.8(D) x 72.2(H)mm.

Weight 1.7kg.

Accessories: USB Cable, AC adapter (PSB-1U), AC cord, owner’s manual, carry case.


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