Roland PR-50 User Manual download pdf (Page 16)

R-4 Pro Specifications

Recorder Part Channels: 4, Signal Processing: AD/DA Conversion: 24 bits, Sampling Frequency: 44.1/48/88.2/96/192 kHz, Data Type: Format: WAV, Sampling Frequency: 44.1/48/88.2/96/192 kHz, Bit Depth: 16/24 bits,

Media: Internal Hard Disk Drive (80 GB), Recording time: 16 bit/44.1 kHz (Stereo): 116 hours, 16 bit/48 kHz (Stereo): 106 hours, 24 bit/48 kHz (Stereo): 70 hours, 16 bit/96 kHz (Stereo): 34 hours, 24 bit/96 kHz (Stereo): 30 hours. *

These recording times are approximate. Your actual results may vary. * If more than one recorded file exists, the total recordable time will be less than these.

Audio Input and Output: Analog Inputs: XLR type x 4 + Built in stereo microphones: Residual Noise Level: LINE Out: -90 dBu (SENS Knob: +4 dBu, Input Level Knob: Min), S/N ratio: 100 dB (max signal level is 10dBu), Total

Harmonic Distortion (THD + N): 0.01 %, (SENS Knob: +4 dBu, Input Level Knob: Center), Frequency Response: 20 Hz - 40 kHz (0 - -3 dB), Analog Outputs: RCA type x 4 + Built in stereo speakers, Headphones: 1/4 inch phone

type x 1, Digital Input/Output: AES/EBU XLR type x 1, Time Code In/Out: BNC type x 2 (SMPTE LTC), Phantom Power: 48+/-2 V / 8 mA (Available 4 Channels simultaneously), Other Input/Output: USB Interface: USB Ports A

type x 1 + B type x 1 (Supports USB 1.1 / 2.0 mass storage device class)

Effect Unit: Effect Type: 3-Bands Shelving EQ, 6-Bands Graphic EQ, Noise Gate, Enhancer, Compressor and De-esser. 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

Other: Display: 128 x 64 dots Graphic LCD (backlit LCD), Power Supply: AC Adaptor (PSB-1U) or Alkaline dry battery LR6 (AA) type x 8, or Nickel Hydrogen battery (HR15/51) x 8, Power Consumption: 1.2 A, Accessories:USB

cable, AC Adaptor with XLR 4 pins conversion cable, AC Cord, Owner's manual, Carrying Case (soft type). Size and Weight: Width: 254 mm, Depth: 221.8 mm, Height: 72.2 mm, Weight: 1.7 kg. *The specifications are subject to

change without notice.

Professional 4-Channel Portable Recorder with SMTPE Timecode

R-4 Pro

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Block Diagram

Instant Backup via USB 2.0

The USB host terminal of R-4 Pro enables high speed and instant backup of

recorded data to affordable and easy obtainable media like Flash Memory, Memory

Cards via card reader or hard drive storage. Easy and high speed duplication of

recorded data improves production workflow across multiple locations.

External Battery Power Supply

The R-4 Pro is equipped with the 4pin XLR type battery power input. This

enables power supply from industry standard battery manufacturers for

video cameras such as Anton-Bauer. Additional power options include AA

type battery power or AC power (via adapter).

Individual Monitoring of 4 channels

Individual monitoring of all channels is enabled via the four analog outputs.

This allows precise monitoring of all recorded audio.

Extended Recording with 80GB Hard Disk Drive

Equipped with an 80GB hard disk drive, the R-4 Pro can record a stereo

audio file for the following time periods:

Sync with SMPTE Time Code

The R-4 Pro accepts SMPTE time code which enables it to slave to

video cameras or VTRs. Four channels of high quality audio can be fully

synchronized with video. In addition, the R-4 Pro can also act as the master,

sending out time code to slave devices.

The R-4 Pro shares the R-4's rugged construction, robust feature set and great sound quality,

but the R-4 Pro also includes AES/EBU support and SMPTE timecode.

Record up to four channels at 24-bit 96KHz and monitor each channel discretely.

Recording times are approximate. Your actual results may vary somewhat.

EDIROL Video Equipment

Field Recorders

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Roland PR-50 User Manual Page 16

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