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Review Summary
Fixed-charge back plate, permanently polarized condenser
Omnidirectional
30-20,000 Hz
80 Hz, 18 dB/octave
Phantom: -44 dB (6.3 mV) re 1V at 1 Pa
Battery: -46 dB (5.0 mV) re 1V at 1 Pa
Phantom: 200 ohms
Battery: 270 ohms
Phantom: 135 dB SPL, 1 kHz at 1% T.H.D.
Battery: 121 dB SPL, 1 kHz at 1% T.H.D.
Phantom: 107 dB, 1 kHz at Max SPL
Battery: 93 dB, 1 kHz at Max SPL
66 db, 1 kHz at 1 Pa
11-52V DC, 2 mA typical
1.5v AA/UM3
Off, on-flat, on-roll-off
2.8 g (0.1 oz)
139 g (4.9 oz)
25.0 mm (0.98") long, 10.2 mm (0.40") diameter
84.0 mm (3.31") H x 63.0 mm (2.48") W x 22.0 mm (0.87") D
Integral 3-pin XLRM-type
1.8 m (6') long (permanently attached to microphone), 2.6 mm (0.10") diameter, 2-conductor, shielded cable with TA3F-type connector
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.