Shure BETA 91A

รหัสสินค้า : shure-beta91a

SHURE BETA-91A Kick Drum microphone

Feature

Type: Electret Condenser

Frequency Response: 20Hz-20kHz

Polar Pattern: Half-cardioid (cardioid in hemisphere above mounting surface)

Impedance: 146 Ohms

Sensitivity (at 1kHz, open circuit voltage): -48.5 dBV/Pa (3.8mV)

Maximum SPL ( kHz at 1% THD): 1,000 ohm load: 151dB; 2500 Ohm load: 155dB

Signal-to-Noise Ratio (referenced at 94 dB SPL at 1kHz): 64 dB

Dynamic Range (at 1kHz): 1,000 Ohm load: 121.5dB; 2500 Ohm load: 125.5dB

Common Mode Rejection (20Hz-20kHz): >55dB

Clipping Level (20Hz-20 kHz at 1% THD) 1,000 ohm load: 7.50dBV, 2,500 ohm load: 12.5dBV

Self Noise (typical, equivalent SPL, A-weighted): 29.5dB SPL-A

Polarity: Positive pressure on diaphragm produces positive voltage on pin 2 with respect to pin 3

Weight: 16.6 oz.

Frequency Contour Switch: 7dB of attenuation centered at 400Hz

Connector: 3-pin XLR, balanced

Power Requirements: 11-52 Vdc phantom power, 5.6 mA