AudioAT837 Audio-Technica Micro desk
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The AT837QL stands 480mm from the table or podium, and re-quire 11V to 52V phantom power for operation.Output from the microphone's XLRM-type connector is low impedance (Lo-Z) balanced. The signal appears across Pins 2 and 3; Pin 1 is ground (shield). Output phase is "Pin 2 hot" - positive acoustic pressure produces positive voltage at Pin 2.At integral 80 Hz high-pass UniSteep® filter provides easy switching from a flat frequency response to a low-end roll-off. The roll-off position reduces the microphone's sensitivity to popping in close vocal use. It also reduces the pickup of low-frequency ambient noise (such as traffic, air-handling systems, etc.), room reverberation and mechanically coupled vibrations.Avoid leaving the microphone in the open sun or in areas where temperatures exceed 43°C for extended periods. Extremely high humidity should also be avoided.
AT837QL Element: Fixed-charge back plate permanently polarized condenser Polar Pattern: Cardioid Frequency Response: 50-18,000 Hz Low Frequency Roll-Off: 80 Hz, 18 dB/octave Open Circuit Sensitivity:- 40 dB (7.9 mV) re 1V at 1 Pa Impedance: 250 ohms Maximum Input Sound Level: 140 dB SPL, 1 kHz at 1% T.H.D. Dynamic Range (Typical): 115 dB, 1 kHz at Max SPL Signal-To-Noise Ratio: 65 dB, 1 kHz at 1 Pa Phantom Power Requirements: 11-52V DC, 2 mA typical Switch: Flat, roll-off Weight: 152g Dimensions: 480.0mm X 12.3mm (long X Head Diameter) OutputConnector: Integral 3-pin XLRM-type Accessories Furnished: AT8153 two-stage foam windscreen