QSC DSP-4, Руководство по оборудованию

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SPECIFICATIONS-
Audio converters
Resolution and Sampling Rate 24-bit resolution, 48 kHz sampling rate
Frequency response at 3 dB below full scale input voltage 20 Hz–10 kHz ±0.3 dB (XLR outputs)
20 Hz–20 kHz ±0.7 dB (XLR outputs)
20 Hz–20 kHz±0.2 dB (DataPort outputs)
Distortion <0.01% typical THD+N @ +4 dBu out, 20 Hz–20 kHz
Delay (throughput) 1.5 millisecond
Dynamic range >104dB min., unweighted, 1.5V input sensitivity
>106dB min., unweighted, all other input sensitivities
>107dB min., A-weighted, 1.5V input sensitivity
>109dB min., A-weighted, all other input sensitivities
Crosstalk better than 62dB down, 20 Hz–20 kHz, all sensitivities
better than 85dB down, 1 kHz bandpass, all sensitivities
Common-mode Rejection 50dB min.
Polarity In-phase or inverted
Mute >90 dB attenuation
INPUTS
Program inputs 2 via XLR female or DataPort
Type Electronically balanced
Grounding All shield terminals connected to chassis
Input sensitivity 1.5, 4.0, 9.0 or 18.0 Vrms (full scale input level)
6, 14.5, 21.5 or 27.5 dBu
3.5, 12.0, 19.0 or 25.0 dBv
Impedance 8.6 K Ohm balanced input
4.3 K Ohm unbalanced input
OUTPUTS
Program Outputs 2 via XLR male or DataPort
Type Pseudo balanced
Grounding All shield terminals connected to chassis
Output Level, pad* out (pad in) 6 (4) Vrms , full scale input level
*pad is software selectable 18 (14.5) dBu
15.5 (12) dBv
Impedance 600 ohms typical
Note: Specifications are subject to change without notice.