Shure Beta 57A Dynamic Instruments Microphone Original

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Shure Beta 57A
Beta 57A Instrument Microphone.

Type
Dynamic (moving coil)

Frequency Response
50 to 16,000 Hz
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NOTE: The curve above shows on-axis response at a distance of 2 feet from a uniform sound source. Your response may vary, depending on microphone position.

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)