Denon Professional DN-500R SD and USB Recorder

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The Denon Professional DN-500R SD and USB Recorder is a 1U rack mountable recorder and audio playback device designed for installed sound applications such as houses of worship, education, and more. The unit can record to both SD/SDHC cards and USB media either one at a time for longer recording times or simultaneously to both mediums for backup.

The front panel of the recorder features an OLED display for showing information such as time, sample rate, and file name. A set of rubberized buttons control basic functions such as record, stop, pause, play, forward, back, as well as menu control and file management functions such as move, copy, combine, divide, and undo. A shift button changes these buttons to functions such as dimming the display, marking files, record monitoring, switching to frame mode, and adjusting pitch. A rotary knob button controls recording level, recording balance, and navigates the menu settings. The front of the unit has an SD/SDHC card slot for inserting recording media with ejection button, as well as a USB female type A port for plugging in USB media such as thumb drives and external USB hard drives. A second USB female type A port allows you to plug in a USB QWERTY keyboard for entering file information while recording. The unit also includes a 1/4" headphone out and headphone level control knob for monitoring while recording or listening to recorded tracks.

For I/O, the back of the unit features left and right balanced analog 3-pin XLR female inputs, left and right unbalanced analog RCA inputs, a balanced digital 3-pin XLR AES/EBU input, an unbalanced digital coaxial SPDIF input, left and right balanced analog 3-pin XLR male outputs, left and right unbalanced analog RCA outputs, a balanced digital 3-pin XLR AES/EBU output, and an unbalanced coaxial SPDIF output. For remote control, the unit features both an RS-232C and a 25-pin parallel port. The included rack ears are removable for tabletop operation.

Why are 4-channels of audio better than 2-channels?

• Capture more ambient sound at any shoot for an overall more convincing soundscape.
• Place mics on each participant in conferences, panels, reporters, etc.
• Redundancy or backup in case of camera mic noise or drop out.
• Simplify wedding shoots with a mic on the bride, groom, officiator and a mic for ambient sound.
• Video editing environments now support multi-channel audio as standard.

• Main Features

  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.

  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.

• 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.

  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.

  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.

  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.

• 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.

  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.

  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.

  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.