Audio Technica ATW3131A UHF Lavalier Wireless System

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Audio Technica ATW3131A UHF Lavalier Wireless System, Main

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Includes: ATW-R3100 receiver, ATW-T310 UniPak transmitter, and AT831cW lavalier microphone. See below for channel frequencies.

Overview

Consumer Alert
Most users do not need a license to operate this wireless microphone system. Nevertheless, operating this microphone system without a license is subject to certain restrictions: the system may not cause harmful interference; it must operate at a low power level (not in excess of 50 milliwatts); and it has no protection from interference received from any other device. Purchasers should also be aware that the FCC is currently evaluating use of wireless microphone systems, and these rules are subject to change. For more information, call the FCC at 1-888-CALL-FCC (TTY: 1-888-TELL-FCC) or visit the FCC's wireless microphone website at www.fcc.gov/cgb/wirelessmicrophones

NOTE: None of the wireless systems we carry are capable of violating the FCC guidelines stated above. We are presenting this information as a matter of legally required disclosure.

With automatic frequency scanning to find and set the best available channel, 200 selectable UHF channels, true diversity protection from RF hits and dropouts, soft-touch controls, easy setup and great sound, the 3000 Series wireless delivers truly professional performance.

The versatile UniPak body-pack transmitter features a secure 4-pin locking connector compatible with a wide range of microphones, as well as a guitar cable. A 3-position sliding cover on the transmitter's control panel prevents accidental shut-off or channel-switching.

Features
Automatic frequency scanning

200 PLL-synthesized channels per band… read more selectable via soft-touch controls on receiver and transmitter

Available in two frequency bands:
-- 541.500 - 566.375 MHz (TV channels 25 - 30)

-- 655.500 - 680.375 MHz (TV channels 44 - 49)

True diversity operation selects the better signal from two independent receiver sections, reducing dropouts

Interference-resistant UHF band operation

Advanced digital ToneLock squelch

Red alert light that warns of low battery power, signal loss and input overload

Transmitter battery-life fuel gauge on the receiver

Ground-lift switch

Balanced and unbalanced audio output jacks

Two receivers can be mounted side-by-side in a single 19 in. rack space

ATW-T310 UniPak transmitter includes Super Hi-Z input that provides optimum load for guitar pickups

Specs

Channel Frequencies
Channel C: 541.500 to 566.375 MHz (TV Channels 25-30)
Channel D: 655.500 to 680.375 MHz (TV Channels 44-49)

Overall System
Operating frequencies: UHF band
-- Band C: 541.500 MHz to 566.375 MHz

-- Band D: 655.500 MHz to 680.375 MHz

Number of channels: 200 total per band

Frequency stability: +/-0.005%, Phase Lock Loop frequency control

Modulation mode: FM

Normal deviation: +/-10 kHz

Operating range: 300' typical

Operating temperature range: 41 degrees F (5 degrees C) to 113 degrees F (45 degrees C)

Frequency response: 70 Hz to 15 kHz

Receiver
Receiving system: Dual independent receivers, automatic-switching diversity

Image rejection: 60 dB nominal, 55 dB minimum

Signal-to-noise ratio: 110 dB at 35 kHz deviation (IEC-weighted), maximum modulation 75 kHz

Total harmonic distortion: <=1% (10 kHz deviation at 1 kHz)

Sensitivity: 24 dB-V (S/N 60 dB at 5 kHz deviation, IEC-weighted)

Intermediate frequency: 243.950 MHz, 10.7 MHz

Audio output:
-- Unbalanced: 50 mV (at 1 kHz, +/-5 kHz deviation, 10k ohm load)

-- Balanced: 32 mV (at 1 kHz, +/-5 kHz deviation, 10k ohm load)

Output connectors:
-- Unbalanced: 1/4 in. TS ("mono") phone jack

-- Balanced: XLRM-type

Power supply: 120V AC 60 Hz, or 12-18V DC, 500 mA, center positive, with external supply

Dimensions: 8.27 in. (210.0 mm) W x 1.93 in. (49.0 mm) H x 7.20 in. (183.0 mm) D

Weight: 2.4 lbs (1.1 kg)

Accessories Included: AD1205AA 120V 60 Hz in-line AC adapter; two flexible UHF antennas; rack-mount adapters

Body-Pack Transmitter
RF power output: High: 30 mW; Low: 10 mW, nominal

Spurious emissions: Under federal regulations

Dynamic range: >=110 dB, A-weighted

Input connections: High impedance, low impedance, bias

Antenna tip color: Band C: Blue; Band D: Green

Batteries: Two 1.5V AA alkaline (not included)

Current consumption: High: 200 mA; Low: 150 mA, typical

Battery life: Approximately 6 hours (High); 8 hours (Low), depending on battery type and use pattern

Dimensions: 2.60 in. (66.0 mm) W x 3.43 in. (87.0 mm) H x 0.94 in. (24.0 mm) D

Net weight: 2.8 oz (80 grams)