Shure Beta 57A BETA Series Vocal MicrophoneThe Beta 57A is designed for use with amplified or acoustic instruments, plus vocals. Its flat, compact grille design gets the microphone cartridge close to the sound source to utilize proximity effect as desired.The Beta 57A is designed for use with amplified or acoustic instruments. The compact grille design gets the microphone cartridge close to the sound source.-Uniform supercardioid pattern with high gain-before-feedback-Neodymium magnet for high signal-to-noise ratio-Advanced pneumatic shock mount system-Tailored frequency response provides drums, guitars, vocals, and horns with studio quality sound-Hardened steel mesh grille that facilitates use of proximity effect and resists wear and abuse-Minimally affected by varying load impedance-Shure quality and reliabilityThe Shure Beta 57A™ is a high output supercardioid dynamic microphone designed for professional sound reinforcement and project studio recording. It maintains a true supercardioid pattern throughout its frequency range. This insures high gain-before-feedback, maximum isolation from other sound sources, and minimum off™ axis tone coloration.Excellent for acoustic and electric instruments as well as for vocals, the extremely versatile Beta 57A dynamic microphone provides optimal warmth and presence. Typical applications include drums, guitar amplifiers, brass, woodwinds and vocals.TypeDynamic (moving coil)Frequency Response50 to 16,000 HzPolar PatternSupercardioid, rotationally symmetrical about microphone axis, uniform with frequency.Output Level (at 1,000 Hz)Open Circuit Voltage -51 dBV/Pa* (2.8 mV)*1 Pa = 94 dB SPLImpedanceRated impedance is 150 ohms (290 ohms actual) for connection to microphone inputs rated low Z.PhasingPositive pressure on diaphragm produces positive voltage on pin 2 with respect to pin 3.ConnectorThree-pin professional audio connector (male XLR type).CaseSilver blue enamel-painted die cast metal with hardened, matte-finished steel mesh grille.Adjustable Stand AdapterSlip-in, adjustable through 180 degrees, with standard 5/8"-27 thread.Net Weight275 grams (9.6 oz)
