Technical Information
28 • English EX-440C/1280/1280C/12AEC • Installation & Operation Guide
PRO.BOSE.COM
Technical Information
Technical Specifications
EX-1280
Integrated DSP
Signal Processor 32-bit fixed/floating-point DSP 456 MHz/Arm Cortex-A8 600 MHz
Maximum Calculation 3.6 GIPS / 2.7 GFLOPS
Delay 43 s
Audio Latency 1.05 ms (analog in to analog out)
A/D & D/A Converters 24-bit
Sample Rate 48 kHz
Analog Audio Inputs
Input Channels 12 balanced, mic/line level
Input Connectors 3.81 mm, 6-pin Euroblock
Input Impedance 12 kΩ at 1 kHz (with or without phantom power active)
Maximum Input Level +24 dBu
Equivalent Input Noise −118 dB at 44 dB gain setting
Phantom Power +48 VDC, 10 mA, selectable per input
Gain Settings 0/+14/+24/+32/+44/+54/+64 dB
Analog Audio Outputs
Output Channels 8 balanced, line-level
Output Connectors 3.81 mm, 6-pin Euroblock
Output Impedance 200 Ω
Maximum Output Level +24 dBu
Audio Performance
Frequency Response 20 Hz to 20 kHz (+0.5 dB/−0.5 dB)
THD+N 0.01% at +4 dBu (A-weighted, 20 Hz to 20 kHz)
Channel Separation (Crosstalk) < −105 dB at +4 dBu input & output level, 1 kHz
Dynamic Range > 115 dB, A-weighted, 20 Hz to 20 kHz, analog input to analog output
Audio Over IP
Dante 64 × 64, primary/secondary
Digital Audio Outputs
AmpLink (output only) 8 ultra-low latency (< 21 μs), 48 kHz; requires shielded Cat 5 cable
Communication Ports
USB Device Micro-B type, stereo in/out, HID support
USB Host Type A; for future use
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