Main Specifications - Roland R-44 Owner's Manual

Main Specifications

Recorder Section
● Channels
4
● Data Type
Format: WAV/BWF
● Sampling Bit Rate
16/24 bit
● Sampling Frequency
44.1 kHz/48 kHz/88.2 kHz/96 kHz/192 kHz
(Limited to 2 channels for 192 kHz)
* 16 or 24-bit sampling size can be selected with any frequency.
● Recording Media
SDHC memory card (compatible with 64 MB –32 GB)
Input and Output
● Analog Input
Ch 1–4: XLR/TRS Combo type
XLR type (phantom powered)
TRS phone type (balanced/unbalanced)
Stereo Built-in Microphones
● Analog Output
Ch 1–4: RCA phono type (line output)
Headphone: Stereo Phone type (1/4 inch)
● Digital In/Out
RCA phono type (IEC 60958-3 compliant)
● Input Impedance
XLR: 4 k ohms or greater (balanced)
TRS: 6 k ohms or greater (balanced)
● Nominal Input Level
11 steps: +4, -2 -,8, -14, -20, -26, -32, -38, -44, -50, -56
(Input Level Knob: Center)
Input Level Knob: negative infinity to +8 dBu
● Maximum Input
+24 dBu (Input Sens Knob: +4 dBu)
● Output Impedance
Line Output: 600 ohms
● Recording Time
Using 8 GB SDHC card (minutes)
16 bit/44.1 kHz stereo
16 bit/48 kHz stereo
24 bit/48 kHz stereo
24 bit/96 kHz stereo
24 bit/192 kHz stereo
16 bit/44.1 kHz 4 ch
:
16 bit/48 kHz 4 ch
24 bit/48 kHz 4 ch
24 bit/96 kHz 4 ch
* Recording times are approximate. Actual results may vary.
* If more than one recorded file exists, the total recordable time will
be less than listed.
* Files up to 2 GB in size can be handled. If the file size reaches 2
GB during recording, the file is closed, a new file is created, and
recording continues.
● Recommended Load Impedance
Line: 4 k ohms or greater
Headphone: 16 ohms or greater
● Output Level
Line output: -20 dBu (fixed)
Headphone: 40 mW + 40 mW
● Total Harmonic Distortion + Noise
Line output: 0.02 % (Input Sens: +4 dBu)
● Noise Level
Line Output: -100 dBu
(Input Sens: +4 dBu, Input Level: Center)
● Residual Noise Level
Line Output: -103 dBu
(Input Sens: +4 dBu, Input Level: Minimum)
● Frequency Response
20 Hz–40 kHz (0/-3 dB)
● Dynamic Range
AD: 100 dB
DA: 104 dB
● Phantom Power
48 V +/- 4 V
8 mA per 1 channel (20 mA or less for all channels)
755 minutes
694 minutes
462 minutes
231 minutes
115 minutes
377 minutes
:
347 minutes
231 minutes
115 minutes
79