Dimensions
19” x 13.5” x 1.75” in (483 x 1343 x 45 mm)
(W x L x H) (one rack unit)

Weight
12 lbs. (5.5 kg) dry, 14 lbs. (6.4 kg) shipping

Connectors
RS-232: DB9F
OBAM In/Out: IEEE 1394B
CLINK2 : RJ45
LAN: RJ45
Control /Status: DB25F
Audio: Mini (3.5mm) quick connect terminal blocks
IR Receive: Mini (3.5mm) quick connect terminal block

Power and Thermal
Internal supply
Input voltage of 90-250 VAC; 50-60 Hz;
line power requirements (including 0.6 PF): 105VA (SR12) Thermal dissipation (Btu/hr): 215 Btu/hr
0 to 40°C operating temperature

Inputs
Phantom power: 48 V DC through 6.8kOhm
series resistor per leg, 7.5mA per channel, software selectable
Analog input Gain: -20 to 64 dB on all inputs in 0.5 dB teps, software adjustable
Maximum input amplitude: +20.4 dBu, 1% THD + N
Nominal level: 0 dBu (0.775V rms)
Equivalent input noise: <-122 dBu, 20 - 20,000 Hz, Rs=150 Ohms (1%)
Input Impedance: 10 kOhms
Input EMI Filter: Pi filter on all audio inputs

Outputs
Output Gain: -100 to 20 dBu in 1 dB steps, software adjustable
Maximum output amplitude: +23 dBu, 1% THD + N
Nominal output level: 0 dBu (0.775 V rms)
Output impedance: 50 Ohm, each leg to ground, designed to drive loads > 600 Ohms
Output EMI Filter: Pi filter on all audio outputs

System*
Frequency response:
20-22,000 Hz, + 0.1 /- 0.3 dB
Idle channel noise:
<-109 dB FS no weighting, 20 - 20,000 Hz, -60dB FS, 0.997 kHz input signal, 0 dB gain
Dynamic range:
>109 dB FS no weighting, 20 - 20,000 Hz, -60 dB FS, 0.997 kHz input signal, 0 dB gain
Linearity: 0 dB FS to -122 dB FS +/- 1 dB
THD+N: < 0.005%, -20 dB FS input signal
Common Mode Rejection Ratio:
>-61 dB, 20 - 20,000 Hz, no weighting
Cross talk: <-110 dB, 20-20,000 Hz, 1kHz, channel-to-channel
Latency: Mic/Line inputs to outputs: 5msec, 20 msec with NC processing enabled
Noise cancellation: 0-20 dB, software selectable
Control Inputs: Contact closure
Status Outputs: Open collector 60V and 500mA maximum per output
All signal ground pins connected to chassis ground through low impedance planes

*Unless noted, all values are valid for all channels at 0dB input gain