Specifications
Integrator’s Reference Manual for Polycom HDX Systems
D - 2
Frequency Response
Balanced Inputs, Relative to 997 Hz +0.5, 3 dB, 20 Hz to 50 Hz
1 dB, 50 Hz to 20 kHz
+0.5, 3 dB, 20 kHz to 22 kHz
Total Harmonic Distortion + Noise vs.
Frequency
1 dBFS Input Level
20 dBFS Input Level
80 dB, 20 Hz to 22 kHz
70 dB, 20 Hz to 22 kHz
Phantom Power
DC Voltage Level, Relative to Shield
Termination
DC Operating Current
Fault Current
Source Impedance
+48, 4 Volts
10 mA
16 mA
6.8 k, 1%
Characteristic Value