Appendix

IMX644 Owner’s Manual 21

ANALOG INPUT CHARACTERISTICS

* 0dBu = 0.775 Vrms. , 0dBV = 1.00 Vrms.
* +48V DC( phantom power ) is supplied to MONO INPUT[1-6] EUROBLOCK connectors via each individual switch.
* All AD converters are 24 bit linear, 64times oversampling.

ANALOG OUTPUT CHARACTERISTICS

* 0dBu = 0.775 Vrms. , 0dBV = 1.00 Vrms.
* All DA converters are 24 bit linear,128times oversampling.

CONTROL I/O CHARACTERISTICS

*1INPUT: 8 ports, OUTPUT: 8 ports
OUTPUT: Withstanding Voltage Vmax = 35V (OFF)
OUTPUT: Sink Current Imax = 30mA/1 port, Imax = 240mA/8 ports (ON)
OUTPUT: Shorted to GND when ON
POWER MONITOR: OPEN (POWER OFF), SHORT (POWER ON)
POWER MONITOR: Withstanding Voltage Vmax = 35V (POWER OFF)
POWER MONITOR: Sink Current Imax = 30mA (POWER ON)
General Specifications
Signal Delay 2.5ms (MONO INPUT [1-6] to OUTPUT[1-4])
Dimensions (W x H x D) 480 x 88 x 364.5 mm
Net Weight 5.5kg
Power Requirements
U.S/Canada: 120V, 60Hz
Korea: 220V, 60Hz
China: 220V, 50Hz
Other: 110V-240V, 50/60Hz
Power Consumption 21W
Heat Dissipation 18.06 kcal/h
Temperature range Operating: 0 to +40˚C
Storage: -20 to +60˚C
Included Accessories Owner’s Manual, AC Power Cord, Rubber feet x 4, 3-pin Euroblock plug x 12
AC Power Cord Length 200 cm
Conditions Min. Typ. Max. Unit
Sampling Frequency External Clock Frequency Range – 39.69 – 50.88 kHz
Sampling Frequency Internal Clock Frequency word clock : int 48kHz – 48 – kHz
Input/output Characteristics
Input Terminals PAD
34dB GAIN Actual Load
Impedance
For Use With
Nominal
Input level Connector
Nominal Max. before clip
MONO INPUT [1-6]
OFF MAX 4.2kΩ
50-600Ω Mics
& 600Ω Lines
-54dBu (1.55mV) -40dBu (7.75mV)
EUROBLOCK
(Balanced)
(5.08mm pitch)
MIN -30dBu (24.5mV) -16dBu (123mV)
ON MAX 20kΩ-20dBu (77.5mV) -6dBu (387mV)
MIN +4dBu (1.23V) +18dBu (6.16V)
STEREO INPUT [1L/R,
2L/R, 3L/R, 4A L/R] – 20kΩ600Ω Lines -4dBV (0.631V) +10dBV (3.16V) RCA Pin Jack
(Unbalanced)
Output Terminals Actual Source
Impedance
For Use With
Nominal
Output level Connector
Nominal Max. before clip
OUTPUT [1A/B, 2A/B, 3, 4] 900Ω10kΩ Lines +4dBu (1.23V) +18dBu (6.16V)
EUROBLOCK
(Balanced)
(5.08mm pitch)
REC OUT [L, R] 450Ω10kΩ Lines -4dBV (0.631V) +10dBV (3.16V) RCA Pin Jack
(Unbalanced)
Terminal Format Level Connector
GPI *1
IN Mechanical “make” contact Compatible with open collector output
D-SUB 25P (Female)OUT – Open Collector
POWER MONITOR OUTPUT – Open Collector
REMOTE RS-232C RS-232C D-SUB 9P (Male)
USB USB 1.1 Function – Type B

DIGITAL INPUT CHARACTERISTICS

*1 0dBm = 1mW

DIGITAL OUTPUT CHARACTERISTICS

*1 0dBm = 1mW
Terminal Format Data
length Level Connector
STEREO
INPUT [4B]
JEITA
CP-1212 24bit -24 to –14.5dBm *1 OPTICAL
Square
Terminal Format Data
length Level Connector
REC OUT JEITA
CP-1212 24bit -21 to –15dBm *1 OPTICAL
Square