The Shure Beta 57A Dynamic Microphone is a precision‎-engineered dynamic microphone designed for professional live sound reinforcement and studio recording‎.‎ A tight supercardioid pattern on the Beta 57A delivers high gain before feedback and maximum isolation from other sound sources‎,‎ with minimum off‎-axis tone coloration‎.‎ Shure Beta 57A Dynamic Microphone Features‎:‎ Tailored frequency response provides drums‎,‎ guitars‎,‎ vocals‎,‎ and horns with studio quality sound‎,‎ Uniform supercardioid pattern for high gain‎-before‎-feedback and superior rejection of off‎-axis sound‎,‎ Hardened steel mesh grille that facilitates use of proximity effect and resists wear and abuse‎,‎ Neodymium magnet for high signal‎-to‎-noise ratio output‎,‎ Advanced pneumatic shock mount system that minimizes transmission of mechanical noise and vibration‎,‎ Frequency response‎:‎ 50 to 16‎,‎000 Hz‎.‎ Shure Beta 57A Suggested Applications‎:‎ Guitar Amp‎,‎ Bass Amp‎,‎ Acoustic Guitar‎,‎ Brass and Saxophone‎,‎ Snare Drums‎,‎ Rack and Floor Toms‎,‎ Congas‎,‎ Woodwinds‎,‎ and Lead Vocals‎.‎

Consistently excellent performance has made Beta microphones the choice of top performers worldwide‎.‎ Renowned for their warmth‎,‎ presence and sensitivity to fine detail‎,‎ Beta cartridge configurations and carefully tailored response curves are as distinctive as the artists who prefer them‎.‎ All models feature maximum isolation and minimum off‎-axis coloration‎.‎The 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.‎

Polar Pattern

• Supercardioid‎,‎ 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 SPL

Impedance

• Rated impedance is 150 ohms ‎(‎290 ohms actual‎)‎ for connection to microphone inputs rated low Z‎.‎

Phasing

• Positive pressure on diaphragm produces positive voltage on pin 2 with respect to pin 3‎.‎

Connector

• Three‎-pin professional audio connector ‎(‎male XLR type‎)‎‎.‎

Case

• Silver blue enamel‎-painted die cast metal with hardened‎,‎ matte‎-finished steel mesh grille‎.‎

Adjustable Stand Adapter

• Slip‎-in‎,‎ adjustable through 180 degrees‎,‎ with standard 5/8‎"‎‎-27 thread‎.‎

Net Weight

• 275 grams ‎(‎9.6 oz‎)‎