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Description:

Manufacturer's website

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
  
• RoHS compliant—free from all substances specified in the EU directive on hazardous substances

SPECIFICATIONS
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
IMPEDANCE	Phantom: 200 ohms Battery: 270 ohms
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 (typical)	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)
SWITCH	Off, on-flat, on-roll-off
WEIGHT (MICROPHONE)	2.8 g (0.1 oz)
WEIGHT (POWER MODULE)	139 g (4.9 oz)
DIMENSIONS (MICROPHONE)	25.0 mm (0.98") long, 10.2 mm (0.40") diameter
DIMENSIONS (POWER MODULE)	84.0 mm (3.31") H x 63.0 mm (2.48") W x 22.0 mm (0.87") D
OUTPUT CONNECTOR (POWER MODULE)	Integral 3-pin XLRM-type
CABLE	1.8 m (6') long (permanently attached to microphone), 2.6 mm (0.10") diameter, 2-conductor, shielded cable with TA3F-type connector
ACCESSORIES FURNISHED	AT8531 power module; AT8417 clothing clip; AT8116 windscreen; battery; protective carrying case
AUDIO-TECHNICA CASE STYLE	M1

SPECIFICATION GRAPHS
Click on the chart to view the larger image
		POLAR PATTERN
		FREQUENCY RESPONSE

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Conditions

 

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