Polycom Vortex EF2280 Reference Manual page 53

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ECHNICAL PECIFICATIONS
Dimensions
Weight
Connectors RS-232:
EF Bus In/Out:
Control/Status:
Audio:
Power
Inputs
Phantom Power
Audio Input Gain
Mic/Line switch gain
Maximum input amplitude
Nominal level
Equivalent input noise
Input Impedance
Input EMI Filter
Outputs
Output Gain
Maximum output amplitude
Nominal output level
Output Impedance
Output EMI Filter
System*
Frequency response
Idle channel noise
Dynamic range
Linearity
THD+N
Common Mode Rejection
Ratio
Cross talk
Latency
© Polycom, Inc.
19" (483 mm) W x 9.6" (244 mm) L x 1.75" (45 mm)
H (one rack unit)
4 lb. (1.8 kg) dry
5.5 lb. (2.5 kg) shipping
DB9F
RJ45
DB25F
Mini (3.5mm) quick connect terminal blocks
External supply (provided)
Input voltage of 110-240 VAC; 47-63 Hz;
power consumption 30 W
48 V DC, software selectable
0 to 30 dB Mic/lone inputs in 1 dB steps;
software adjustable
33 dB
+19 dBu, 1% THD + N
0 dBu (0.775V rms)
<-124 dBu, 20 -20,000 Hz
10 kOhms
Pi filter on all audio inputs
-100 to 20 dBu in 1 dB steps, software adjustable
+23 dBu, 1% THD + N
0 dBu (0.775 V rms)
33 Ohm, each leg to ground
Pi filter on all audio outputs
20-20,000 Hz, + 0.2/-0.3 dB
<-100 dB FS "A" weighted, 20 - 20,000 Hz, 0 dB gain
>100 dB FS "A" weighted, 20 - 20,000 Hz, 0 dB gain
0 dB FS to -110 dB FS +/- 1 dB
< -90 dB FS
< -61 dB, 20 - 20,000 Hz, no weighting
< -104 dB, 20 - 20,000 Hz, channel-to-channel
Mic/Line inputs to outputs: 13 ms, processing enabled
51 V
T S
ECHNICAL PECIFICATIONS
EF2280 Reference Manual
ORTEX