The AT803b 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.
Features:
- Designed for clip-on lavalier and musical instrument use
- Small size is ideal for applications requiring minimum visibility
- Operates on battery or phantom power
- 6' (1.8 m) cable permanently attached to mic, TA3F connector at power module
SPECIFICATIONS
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| ELEMENT |
Fixed-charge back plate, permanently polarized condenser |
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| POLAR PATTERN |
Omnidirectional |
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| FREQUENCY RESPONSE |
30-20,000 Hz |
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| LOW FREQUENCY ROLL-OFF |
80 Hz, 18 dB/octave |
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| OPEN CIRCUIT SENSITIVITY |
Phantom: -45 dB (5.6 mV) re 1V at 1 Pa
Battery: -46 dB (5.0 mV) re 1V at 1 Pa |
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| IMPEDANCE |
Phantom: 200 ohms
Battery: 270 ohms |
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| 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. |
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| DYNAMIC RANGE (typical) |
Phantom: 106 dB, 1 kHz at Max SPL
Battery: 92 dB, 1 kHz at Max SPL |
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| SIGNAL-TO-NOISE RATIO |
65 dB, 1 kHz at 1 Pa |
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| PHANTOM POWER REQUIREMENTS |
11-52V DC, 2 mA typical |
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| BATTERY TYPE |
1.5V AA/UM3 |
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| BATTERY CURRENT / LIFE |
0.4 mA / 1200 hours typical (alkaline) |
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| SWITCH |
Off, on-flat, on-roll-off |
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| WEIGHT (MICROPHONE) |
0.09 oz (2.5 g) |
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| WEIGHT (POWER MODULE) |
4.9 oz (139 g) |
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| DIMENSIONS (MICROPHONE) |
0.81" (20.5 mm) long,
0.39" (10.0 mm) diameter |
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| DIMENSIONS (POWER MODULE) |
3.31" (84.0 mm) H x
2.48" (63.0 mm) W x
0.87" (22.0 mm) D |
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| OUTPUT CONNECTOR (POWER MODULE) |
Integral 3-pin XLRM-type |
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| CABLE |
6' (1.8 m) long (permanently attached to microphone), 0.10" (2.6 mm) diameter, 2-conductor, shielded cable with TA3F-type connector |
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| ACCESSORIES FURNISHED |
AT8417 clothing clip; AT8531 power module; AT8116 windscreen; battery; protective carrying case |
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| AUDIO-TECHNICA CASE STYLE |
M1 |
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