The Audio-Technica AT8015 (AT815B) is a wide-range condenser microphone with a line + gradient polar pattern specifically designed to provide the narrow acceptance angle desirable for long distance sound pickup. It was created for use in professional recording, broadcasting, film/ TV/video production, high-quality sound reinforcement and other demanding applications requiring excellent sound rejection from the sides and rear.
Audio Technica engineers have utilized the newest low-mass condenser technology in the quest for superior performance. The permanent charge is now on the fixed back plate, rather than on the moving element. With the fixed-charge "back plate" construction, a gold-vaporized diaphragm just 4 microns thick (about 0.00016") can be used. This reduces moving mass, improving frequency response and transient response while reducing distortion.
| Transducer | Fixed-Charged, Back Plate, Permanently Polarized Condenser |
| Polar Pattern | Line + Gradient |
| Frequency Response | 30 Hz - 20 kHz |
| Dynamic Range (Typical) |
Phantom 106 dB, (1 kHz @ Maximum SPL) Battery 91 dB, (1 kHz @ Maximum SPL) |
| Signal-to-Noise Ratio | 70 dB, (1 kHz @ 1 Pa A-Weighted) |
| Maximum Input Sound Level |
Phantom 130 dB, (1 kHz @ 1% THD) Battery 115 dB, (1 kHz @ 1% THD) |
| Power Requirements |
Phantom 9 - 52v DC Battery AA (1.5v) |
| Output Impedance |
Phantom 500 Ohms Battery 600 Ohms |
| Output Connectors | XLR-3M Type |
| Pad | None |
| Low Frequency Roll-Off | -12dB/Octave, (@ 180 Hz) |
| Applications | Video, Film and Broadcast Production |
| Dimensions | 18.11 x 0.83" (460 x 21mm) LxDiameter |
| Weight | 7.1 oz. (200 g) |
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