Roland R-44 Specifications Page 79

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Main Specifications
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)
Recording Time
Using 8 GB SDHC card (minutes)
*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.
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
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)
Recorder Section
16 bit/44.1 kHz stereo 755 minutes
16 bit/48 kHz stereo 694 minutes
24 bit/48 kHz stereo 462 minutes
24 bit/96 kHz stereo 231 minutes
24 bit/192 kHz stereo 115 minutes
16 bit/44.1 kHz 4 ch 377 minutes
: :
16 bit/48 kHz 4 ch 347 minutes
24 bit/48 kHz 4 ch 231 minutes
24 bit/96 kHz 4 ch 115 minutes
Input and Output
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