Description
Omnidirectional Condenser Lavalier Microphone
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 compliantfree from all substances specified in the EU directive on hazardous substances
| 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; AT8419 clothing clip; AT8116 windscreen; battery; protective carrying case |
| AUDIO-TECHNICA CASE STYLE | M1 |
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