Product Description

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 ensures high gain before feedback, maximum isolation from other sound sources, and minimum off-axis tone coloration. A completely new grille design lets you take better advantage of proximity effect.

The BETA 57A is an exceptionally versatile microphone. Typical applications include drums, guitar amplifiers, brass, woodwinds, and vocals.

Technical Description

Type: Dynamic (moving coil)

Frequency Response: 50 to 16,000 Hz

Polar Pattern: Supercardioid, rotationally symmetrical about microphone axis, uniform with frequency

Impedance: Rated at 150 _ (290 _ actual) for connection to microphone inputs rated low Z
Output Level (at 1,000 Hz)

Open Circuit Voltage: 71 dB*(0.28 mV)*0 dB = 1 v/_bar Hum Pickup (at 60 Hz)
Maximum 15.0 mV in 10 oe field
Maximum 26.5 dB equivalent SPL per 1 moe

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

Connector: 3-pin professional audio connector (male XLR)

Case: Silver Blue enamel-painted die-cast metal with hardened, matte-finished steel mesh grille

Swivel Adapter: Slip-in, adjustable through 180

Catalog Description

Greater detail than SM-series mics@Supercardioid polar pattern@High-output neodymium dynamic design@For live vocals, instrument amplifiers, acoustic instruments

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