Audio-Technica ATW-3131b Wireless Lavalier Microphone System (Band D: 655.500 - 680.375 MHz)

Audio-Technica ATW-3131b Wireless Lavalier Microphone System (Band D: 655.500 - 680.375 MHz)

Audio-Technica ATW-3131b Wireless Lavalier Microphone System (Band D: 655.500 - 680.375 MHz)

B&H # AUATW3131BD MFR # ATW-3131BD
Audio-Technica ATW-3131b Wireless Lavalier Microphone System (Band D: 655.500 - 680.375 MHz)

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Product Highlights

  • ATW-R310b Receiver
  • ATW-T310b UniPak Transmitter
  • AT831cW Lavalier
  • Band D: 655.500 - 680.375 MHz
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  • 1Description
The Audio-Technica ATW-3131b is a frequency agile, true-diversity wireless lavalier microphone system which is part of the 3000 Series. It is designed to provide reliable, professional UHF technology for the most demanding audio applications. The system includes the ATW-R310b receiver, ATW-T310b UniPak Transmitter, and AT831cW Cardioid Lavalier Microphone.

The ATW-R310b Receiver features frequency adjustable UHF reception, allowing access of up to 200 user-selectable channels. Diversity reception allows 2 built-in, independent receivers to rely on a single frequency for the strongest possible reception. The rear panel includes both unbalanced 1/4" phone and balanced XLR outputs. A comprehensive back-lit LCD display on the front panel reveals channel and frequency settings, signal status, and transmitter battery status. The receiver also features a ground lift switch, convenient in settings where bad power feeds result in ground hum and noise on the output stage.

The ATW-T310b Bodypack Transmitter features Audio-Technica's unique UniPak input connector. The input conveniently accepts both line and microphone level signals (adjustable) allowing it to be used for both instruments and microphones. The system includes the AT831cW Cardioid Lavalier Microphone, and an assortment of compatible microphones and instrument cables are also available separately from Audio-Technica. This lightweight transmitter operates on 2 AA Alkaline batteries for up to 6 hours (High) and 8 hours (Low).

Frequency Agile
The system operates on UHF frequencies allowing greater channel selectability and range. The transmitter and receiver feature 200 user-selectable channels.
Diversity Reception
The ATW-R310b receiver features dual internal receivers. The receivers relay between each-other, vying for the strongest reception while minimizing noise and signal drop-out.
UniPak Transmitter
Audio-Technica's UniPak transmitter is a bodypack with an input connection designed for low and high impedance signal. This makes the transmitter versatile enough to handle microphone and line level signals.
UPC: 042005145751
In the Box
Audio-Technica ATW-3131b Wireless Lavalier Microphone System (Band D: 655.500 - 680.375 MHz)
  • ATW-R310b Receiver
  • ATW-T310b Bodypack Transmitter
  • AT831cW - Mini Cardioid Condenser Mic
  • Power Supply
  • 2 x UHF Receiver Antenna
  • Rack-Mount Adapters
  • Limited 2-Year Warranty
  • Table of Contents
    • 1Description
    System
    Type of System UHF Frequency Agile Bodypack
    RF Carrier Frequency Range Band D: 655.500 - 680.375 MHz
    Approx. Working Range 300' (91.4 m)
    Frequency Response 70 Hz to 15 kHz (+1 dB, -3 dB)
    Modulation Mode FM
    Maximum Deviation ±35 kHz
    Dynamic Range > 110 dB (A-weighted), typical
    Total Harmonic Distortion < 1% (at 1 kHz, ±17.5 kHz deviation)
    # Of Channels 200 Channels
    # Of Simultaneous Systems 6
    Operating Temperature 23 to 113°F (-5 to +45°C)
    Battery and LCD performance may be reduced at very low temperatures
    Receiver
    Type of Receiver True diversity
    Type of Outputs Unbalanced: 1/4" TS (mono) phone jack
    Balanced: XLRM-type
    Image Rejection 60 dB nominal, 55 dB minimum
    RF Sensitivity 20 dBuV at 60 dB S/N ratio
    Maximum Output Level XLR, balanced: +9 dBV
    1/4", unbalanced: +7 dBV
    Antenna Input BNC-type, 50 ohms
    Bias voltage 12V DC, 60 mA, each
    Power Requirements 120 VAC 60 Hz; 12-18 VDC, 500 mA, center positive, with external supply
    Display Back-Lit LCD Display & Battery / Signal Status LED
    Mounting Options Table Surface / Rack Mountable rack ears included
    Dimensions 8.27 x 1.73 x 6.47 (210.0 x 44.0 x 164.4 mm) (WxHxD)
    Weight 2.4 lb (1.1 kg)
    Transmitter
    Type of Transmitter Frequency Agile Bodypack
    Type of Input Connector High Impedance / Low Impedance / Bias UniPak Connection
    Level Control Input Level Control: -6 dB / 0 dB / +6 dB / +12 dB
    Mute Switch Power / Mute switch dual function
    Display Back-Lit LCD Display & Battery / Signal Status LED
    RF Output High: 30 mW, Low: 10 mW (switchable), at 50 ohms
    Spurious Emission Following federal and national regulations
    Batteries 2 x 1.5 V AA Alkaline not included
    Battery Life (approx.) High: 6 hours (alkaline)
    Low: 8 hours (alkaline)
    Depending on battery type and use pattern.
    Antenna Type BNC Flexible UHF
    Dimensions 2.60 x 3.43 x 0.94" (66.0 x 87.0 x 24.0 mm)(WxHxD)
    Weight 2.9 oz (81 g) without batteries
    Microphone
    Type of Microphone AT831cW Lavalier - Condenser
    Polar Pattern Cardioid
    Packaging Info
    Package Weight 5.6 lb
    Box Dimensions (LxWxH) 15.1 x 13.4 x 3.9"

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