Roland R-4 User Manual download pdf (Page 6)

Recorder Part

Tracks 6 (3 stereo)

Signal Processing

AD/DA conversion: 24-bit

96.0, 88.2, 48.0, 44.1 (kHz)

Data Type

For

Recording

WAV/BWF

Sampling Rate 96.0, 88.2, 48.0, 44.1 (kHz)

Bit Depth 24, 16 (bits)

MP3 (MPEG-1

Audio Layer 3)

Sampling Rate 48.0, 44.1 (kHz)

Bit Rates 320, 160, 128 (kbps)

WAV + MP3

Sampling Rate 48.0, 44.1 (kHz)

Bit Depth 16 bits

Bit Rates 128 kbps

For Playback

WAV/BWF

Sampling Rate 96.0, 88.2, 48.0, 44.1 (kHz)

Bit Depth 24, 16 (bits)

MP3 (MPEG-1

Audio Layer 3)

Sampling Rate 48.0, 44.1 (kHz)

Bit Rates

32 - 320 kbps or VBR

(Variable Bit Rate)

Memory Card SD Card (SDHC format compatible)

Input/Output

Audio Inputs

Internal stereo microphone

Omnidirectional (OMNI) mic

Directional (XY) mic

Analog input 1/L, 2/R

(XLR/TRS combo type)

XLR type (phantom powered)

1/4-inch TRS phone type (balanced/

unbalanced)

Plug-in powered mic input Stereo miniature phone type

Audio Output Phones (Stereo miniature phone type)

Nominal Input

Level (Variable)

* Input Level Knob :

Center

Analog input 1/L, 2/R

+4, -2, -8, -14, -20, -26, -32, -38, -44,

-50, -56, -62 (dBu)

Plug-in powered mic input

LOW -7.5 dBu

MID -21.0 dBu

HIGH -26.0 dBu

Input Impedance

Analog input 1/L, 2/R 5 k ohms

Plug-in powered mic input

MID/HIGH 3 k ohms

LOW 2 k ohms

Maximum Input

Analog Input 1/L, 2/R +24 dBu (SENS = +4 dBu)

Plug-in powered mic input +4 dBu (SENS = LOW)

Output Level 35 mW + 35 mW (In case 16 ohms load)

Recommended

Load

Impedance

16 ohms or greater

Frequency

Response

20 Hz — 40 kHz

Phantom Power

48 V ± 4 V

10 mA or less in all channels

USB Interface

Mini-B type connector

USB mass storage device class

USB audio (Hi-Speed USB)

Other

Power Supply

AC adaptor

Alkaline dry battery LR6 (AA) type x 4

Rechargeable Ni-MH battery (AA, HR6) X 4

Current Draw 500 mA

Dimensions

82.0 (W) x 180.1 (D) x 41.1 (H) mm

3-1/4 (W) x 7-1/8 (D) x 1-5/8 (H) inches

Weight 0.37 kg / 14 oz (excluding batteries)

R-26 Speciﬁ cations

USB Mass Storage

Windows Mac

Microsoft

Windows

7 / Windows

Vista

/ Windows

XP Home /

Windows

XP Professional

OS Mac OS X 10.2 or later

Computer

Windows compatible PC equipped

with a USB2.0 or 1.1 port

Computer

Apple

Mac

series computer with

onboard USB port

USB Audio U/F

Windows Mac

Microsoft

Windows

7 / Windows

Vista

SP1 or later / Windows

Home / Windows

XP Professional

SP2 or later

OS Mac OS X 10.4.11 or later

Computer

Windows compatible PC equipped

with a USB 2.0 port

Computer

Apple

Mac

series computer with

onboard USB 2.0

* Each recording time is approximate. The times may change depending on the card speciﬁ cations.

* When multiple WAV/BWF ﬁ les are recorded at once, the recording time will be shorter than shown above.

Data Format

Memory Size

2 GB 4 GB 8 GB 16 GB 32 GB

WAV/BWF

16-bit, 44.1 kHz STEREO 3.0 6.1 12.2 24.5 48.9

24-bit, 96.0 kHz STEREO 0.9 1.9 3.7 7.5 15.0

16-bit, 44.1 kHz 4 CH 1.5 3.1 6.1 12.2 24.5

24-bit, 96.0 kHz 4 CH 0.5 0.9 1.9 3.7 7.5

16-bit, 44.1 kHz 6 CH 1.0 2.0 4.1 8.2 16.3

24-bit, 96.0 kHz 6 CH 0.3 0.6 1.2 2.5 5.0

MP3

128 kbps 33.0 67.0 134.0 269.0 539.0

320 kbps 13.0 27.0 53.0 107.0 215.0

WAV/BWF + MP3

16-bit +128 kbps 44.1 kHz 2.8 5.6 11.2 22.4 44.9

16-bit +128 kbps 48.0 kHz 2.5 5.2 10.4 20.7 41.5

•R-26 •Owner’s manual •SD Card •AC Adaptor •USB Cable (mini-B

type) •Windscreen •Cakewalk SONAR LE DVD-ROM (for Windows)

www.RolandSystemsGroup.com/r26

R-26 package contents

Recording Time (unit: hours)

All specifications and appearances are subject to change without notice. Company names and

product names appearing in this document are registered trademarks or trademarks of their respective

owners. Roland is either registered trademark or trademark of Roland Corporation in the United States

and/or other countries. Cakewalk and the Cakewalk logo are either registered trademarks

or trademarks of Cakewalk, Inc. in the United States and/or other countries.

Printed in Japan August 2011 RAM-4721 RUS-UPR-SS

System Requirements

* 0 dBu = 0.775 Vrms

1 2 3 4 5 6

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Roland R-4 User Manual Page 6

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