Beta 87a Shure Microphones Headphones And Wireless Performance Audio

spectable border ccc solid 1px cell hdr border 333 solid 1px background color 333 padding 6px cell border ccc solid 1px padding 6px overview features specifications shure beta87a vocal microphone the shure beta 87a is a premium quality supercardioid hand held electret condenser vocal microphone with exceptionally smooth frequency response and high sound pressure level capability used for professional sound reinforcement broadcasting and studio recording applications the beta 87a combines superb performance with the ruggedness needed for touring and field production the beta 87a features a controlled low frequency roll off that compensates for proximity effect and prevents the boomy sound often associated with close pick up the characteristic shure presence rise brightens the upper midrange the tight supercardioid pattern with null points at approximately 125 degrees provides maximum isolation from other vocalists or instruments while offering minimal off axis coloration the beta 87a operates on phantom power smooth frequency response with gradual presence rise highly consistent supercardioid polar pattern provides superior gain before feedback electronic low frequency roll off compensates for proximity effect wide dynamic range 117 db and low distortion characteristics very low susceptibility to rfi and electromagnetic hum advanced cartridge shock mount system absorbs mechanical shocks and reduces handling noise built in pop filter reduces undesirable wind and breath sounds legendary shure quality and reliability technical data cartridge type electret condenser frequency response 50 to 20 000 hz polar pattern supercardioid output impedance 150 ohms sensitivity at 1khz open circuit voltage 52 5 dbv pa 2 mv 1 pascal 94 db spl maximum spl 1 khz at 1 thd 1 kohm load 140 5 db signal to noise ratio 70 5 db dynamic range at 1 khz 1 kohm load 117 db clipping level 1 khz at 0 25 thd 1 kohm load 6 dbv 0 5 v self noise equivalent spl a weighted typical 23 5 db typical polarity