D Specifications; Inputs/Outputs; Audio Specifications - Polycom HDX series Reference Manual
Polycom hdx systems version 1.0
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Also See for HDX series:
- Administrator's manual (194 pages) ,
- User manual (42 pages) ,
- Quick tips (2 pages)
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Specifications
Inputs/Outputs
Audio Specifications
Characteristic
Maximum Input Level
2
0 dBFS
for Audio Input 4
Maximum Input Level
2
0 dBFS
for Audio Input 3 (VCR/DVD)
Maximum Input Level
0 dBFS for Audio Input 1 (External
Input, Line-Level)
Input Impedance
Audio Input 4 Differential
Input Impedance
Audio Input 3 (VCR/DVD) Differential
Input Common-Mode Rejection Ratio
Balanced Inputs, Common-Mode
Amplitude ≤ 1 dBFS
Maximum Output Level
Balanced Outputs (≥10 k Load)
Output Impedance
Balanced Outputs
Signal-to-Noise Ratio
Dynamic Range
Crosstalk and Feed-Through
Value
+12 dBV (4.0 V
), 1 dB
RMS
+12 dBV (4.0 V
), 1 dB
RMS
20 dBV (100 mV
), 1 dB
RMS
20 k, 5%
20 k, 5%
>60 dB, 20 Hz to 22 kHz
+12 dBV (4.0 V
), 1 dB
RMS
150, 5%
>90 dB, A-weighted
>90 dB
≤ 90 dB, 20 Hz to 22 kHz
D
D - 1
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