Number of Channels
32 in 8 out
AD Conversion
Sample Rate: 96.0 kHz
Signal Processing: 24 bit
DA Conversion
Sample Rate: 96.0 kHz
Signal Processing: 24 bit
Frequency Response
-2 dB / +0 dB (@ +4 dBu, 20 Hz to 20 kHz)
Total Harmonic Distortion + Noise
0.05 % or less (Pad: On, Input Gain: +4 dBu, 22 to 20000 Hz)
Dynamic Range
110 dB
Cross Talk
-80 dB
Nominal Input Level
-65 to -10 dBu (PAD: Off) -45 to +10 dBu (PAD: On) (1 dB step, Max. +28 dBu)
PAD
20 dB On/Off
Input Impedance
20 k ohms
Nominal Output Level
+4 dBu, Max. +22 dBu
Output Impedance
150 ohms
Recommended Load Impedance
10 k ohms or greater
Residual Noise Level (IHF-A, typ.)
-90 dBu
Equivalent Input Noise Level (E.I.N.)
-128 dB
Connectors
Input: 32 (XLR type, balanced, phantom power, 4 ch input module x 8)
Output: 8 (XLR type, balanced, 4 ch output module x 2)
REAC: MAIN, BACKUP (RJ-45 EtherCon type)
Remote Connector: 1 (RS-232C, DB-9 type)
MIDI Connectors: IN, OUT (5-pin DIN type)
Indicator
EXT Indicator (External Power Supply Unit)
INT Indicator
REAC Indicator
CTRL Indicator
ALARM Indicator
MUTE ALL OUTPUTS Indicator
AC Power Supply
AC 115 V, AC 117 V, AC 220 V, AC 230 V, AC 240 V (50/60 Hz)
DC Power Supply
+24 V (from optional external power supply unit : S-240P)
Power Consumption
130 W
Current Draw (for an optional external power supply unit; Model S-240P)
6 A
Phantom Power
+48 V / 14 mA (each input on SI-AD4, remote controlled)
Operation Temperature
0 to +40 degrees Celsius +32 to +104 degrees Fahrenheit
Accessories
Power Cord, Adhesive-backed number label sheets, REAC Connector Covers, Ferrite Cores, Owner's Manual