AT803
divider-line Omnidirectional Condenser Lavalier Microphone

AT803

AT803
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  • Overview
  • Gallery
  • Features
  • Specifications
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Overview

AT803

Miniature omnidirectional condenser microphone with power module

The AT803 provides excellent yet unobtrusive sound pickup for lecturers and stage/TV performers.

Features

The AT803 provides excellent yet unobtrusive sound pickup for lecturers and stage/TV performers. Designed for clip-on lavalier and musical instrument use, it features an integral 80 Hz high-pass filter that provides easy switching from a flat frequency response to a low-end roll-off. The microphone operates on battery or phantom power.

  • High intelligibility for lecturers and stage/TV performers
  • Provides excellent yet unobtrusive sound pickup
  • UniSteep® filter provides a steep low-frequency attenuation to improve sound pickup without affecting voice quality
  • Operates on battery or phantom power
  • 6' (1.8 m) cable permanently attached to mic, TA3F connector at power module

Specifications

Microphones
Element Fixed-charge back plate, permanently polarized condenser
Polar Pattern Omnidirectional
Frequency Response 30 - 20,000 Hz
Low Frequency Roll Off 80 Hz, 18 dB/octave
Open Circuit Sensitivity Phantom: -44 dB (6.3 mV) re 1V at 1 Pa
Battery: -46 dB (5.0 mV) re 1V at 1 Pa
Maximum Input Sound Level Phantom: 135 dB SPL, 1 kHz at 1% T.H.D.
Battery: 121 dB SPL, 1 kHz at 1% T.H.D.
Dynamic Range Phantom: 107 dB, 1 kHz at Max SPL
Battery: 93 dB, 1 kHz at Max SPL
Signal-to-Noise Ratio 66 dB, 1 kHz at 1 Pa
Phantom Power Requirements 11-52V DC, 2 mA typical
Battery Type 1.5V AA/UM3
Battery Current/Life 0.4 mA / 1200 hours typical
(alkaline)
Switches Off, on-flat, on-roll-off
Weight Microphone : 2.8 g (0.1 oz) - Power Module : 139 g (4.9 oz)
Cable 1.8 m (6') long (permanently attached to microphone), 2.6 mm (0.10") diameter, 2-conductor, shielded cable with TA3F-type connector
Dimensions Microphone: 25.0 mm (0.98") long, 10.2 mm (0.40") diameter - Power Module: 84.0 mm (3.31") H x 63.0 mm (2.48") W x 22.0 mm (0.87") D
Output Connector Integral 3-pin XLRM-type (on Power Module)
Accessories Included AT8531 power module; AT8419 clothing clip; AT8116 windscreen; battery; protective carrying case

Downloads

AT803 Declaration of Conformity
AT803 Frequency Response
AT803 Polar Pattern
AT803 Specification Sheet