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8 channels balanced microphone input, support phantom power 48V supply
4 channels balanced line input
6 channels balanced line output
With 3.5 mm monitoring earphone interface
Support one key to restore factory settings
48 KHZ sampling rate, A/D and D/A, 24 - bit
With RJ-45 interface for remote control and setting
With RS-232 serial interface for third party control
Model | DSP9273 | ||
Echo Cancellation Tail Length | ≥512ms | ||
Echo Cancellation Amplitude | ≥70dB | ||
Convergence Speed | ≥65dB/S | ||
S/N Ratio | ≥100dB | ||
Signal Processing Delay | <8ms | ||
Mean Time Between Failures (MTBF) | ≥60000 hours | ||
Frequency Response | 20Hz~20kHz @ +4dBu | ||
MIC | +0/-2dB | ||
LINE IN | +0/-0.5dB | ||
THD +N | 1kHz @ +4dBu | ||
MIC | < 0.009% | ||
LINE IN | < 0.007% | ||
Equivalent Noise | < -84dBu(20Hz~20kHz@22dB) | ||
Dynamic Range | > 105dB(20Hz~20kHz@0dB) | ||
Maximum Input Level | MIC | -2dBu | |
LINE IN | 20dBu | ||
Maximum Output Level (Balanced) | 20dBu | ||
Maximum Gain | MIC | 50dB | |
LINE IN | 0dB | ||
Input Impedance | MIC | 2.2kΩ | |
LINE IN | 20kΩ | ||
Output Impedance | 400Ω | ||
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