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Audio-Technica ATUC-50DUa Wired Discussion Unit

The ATUC-50DUa is the delegate and chairperson unit for Audio-Technica's ATUC-50 wired discussion system. Each seat takes a gooseneck microphone on a 3-pin XLRF-type input - the ATUC-M32L, ATUC-M43H or ATUC-M58H - and gives the person sitting there a talk control, a headphone output for the floor or an interpretation channel, and a display for monitoring level and channel.

Units daisy-chain to the ATUC-50CU control unit, which carries audio, control and power, so a seat is one cable rather than a mic line plus a power supply. Because the microphone is a separate part, neck length can be chosen per room and a damaged mic is replaced without touching the unit.

Dynamic Range107dB A-Weighted
Frequency response+1.0, -2.0dB 20Hz - 20kHz, refer to +4dBu output @1kHz
Sampling Frequency24bit /48kHz
Signal-to-Noise Ratio87dB A-Weighted
ConnectionsInputs: Mic x 1, Outputs: Headphones x 1, CHAIN: DU / CU terminals
Headroom20dB
Equivalent Input NoiseLess than -121dBu Rs=150ohm
Total Harmonic DistortionLess than 0.07% @1kHz unity