Symetrix Edge & Radius 4 Channel AEC Input Card

Wideband dedicated processing.
Zero-latency direct outputs and discrete reference inputs per AEC channel.
AEC processing available to the cards direct inputs or internally routed sources.
11 mS AEC latency, up to 300 mS tail length, and greater than 100 dB/S convergence time.
Field swappable by certified technicians.

Features

• AEC Number of Inputs: Four (4) acoustic echo cancellation
• AEC Connectors: 3.81 mm terminal blocks
• AEC Tail Length: > 250 mS
• AEC Nominal Input Level: +4 dBu with 20 dB of headroom
• AEC Maximum Input Level: +23 dBu
• AEC Mic Pre-amp Gain: 0, 11.8, 24, 44 or 54 dB switchable with 24 dB trim
• AEC Mic Pre-amp EIN: <-127 dB with 150 Ohm source impedance
• AEC CMRR: > 76 dB @ 1 kHz, unity gain
• AEC Input Impedance: 8k Ohms balanced, 4k Ohms unbalanced
• AEC Convergence Time: > 100 dB/S
• AEC Phantom Power: +20 VDC @ 10 mA maximum
• AEC A/D Dynamic Range: < 115 dB, A-weighted
• AEC A/D Latency: 0.28 mS (direct), 11 mS (AEC enabled)
• AEC A/D THD + Noise: <-94 dB, unweighted

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