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Hardware Installation Guide for the Polycom SoundStructure C16, C12, C8, and SR12
Thermal
•Thermal Dissipation (Btu/hr): 266 Btu/hr (C16), 230 Btu/hr (C12), 215 Btu/hr (SR12), 200 Btu/hr (C8)
•Operating temperature 0 - 40° C (104° F)
Inputs
•Phantom power: 48 V DC through 6.8 kOhm series resistor per leg, 7.5 mA per channel, software selectable
•Analog input gain:
•Maximum input amplitude: +20.4 dBu, 1% THD + N
•Nominal level: 0 dBu (0.775 Vrms)
•Equivalent input noise:
•Input impedance: 10 kOhms
•Input EMI Filter: Pi filter on all audio inputs
Outputs
•Output gain:
•Maximum output amplitude: +23 dBu, 1% THD + N
•Nominal output level: 0 dBu (0.775 Vrms)
•Output impedance: 50 Ohm, each leg to ground, designed to drive loads > 600 Ohms
•Output EMI filter: Pi filter on all audio outputs
System
Unless noted, all values are valid for all channels at 0 dB input gain.
•Frequency response:
•Idle channel noise:
•Dynamic range: >109 dB FS no weighting, 20 - 20,000 Hz,
•Linearity: 0 dB FS to
3 - 2