Stage Monitor & P.A. Loudspeaker Placement

For maximum rejection of unwanted sound, place the stage monitor or P.A. system loudspeaker at a 60° angle from the rear of the Beta 57A, not directly behind it (see Figure 1). Al- ways check out the stage setup before a performance to en- sure that placement of microphone and monitors is optimum.

MONITOR	180°
LOUDSPEAKER(S)	180°	P.A. SYSTEM
LOUDSPEAKER(S)		P.A. SYSTEM
		LOUDSPEAKER
120°		120°
90°		90°

0°

RECOMMENDED LOUDSPEAKER LOCATIONS

FIGURE 1

SPECIFICATIONS

Type

Dynamic (moving coil)

Frequency Response

50 to 16,000 Hz (see Figure 2)

NOTE: The curve below shows on±axis response at a distance of 2 feet from a uniform sound source. Your response may vary, depending on microphone position.

+10	3 mm
	3 mm
	(1/8 IN.)
	25 mm
0	(1 IN.)
0	51 mm
	51 mm
	(2 IN.)
±10	0.6 m
	0.6 m
	(2 FT)
20	50	100	200	500	1,000	2,000	5,000	10,000	20,000

TYPICAL FREQUENCY RESPONSE

FIGURE 2

Polar Pattern

Supercardioid, rotationally symmetrical about microphone axis, uniform with frequency (see Figure 3)

Output Level (at 1,000 Hz)

Open Circuit Voltage ±51 dBV/Pa* (0.28 mV)

*1 Pa = 94 dB SPL

Impedance

Rated impedance is 150 W (290 W 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°, with standard 5/8º-27 thread

Net Weight

272 grams (9.71 oz)

Certification

Conforms to European Union directives, eligible to bear CE marking; meets European Union EMC Immunity Require- ments (EN 50 082±1, 1992)

FURNISHED ACCESSORIES

Adjustable Stand Adapter . . . . . . . . . . . . . . . . . . . . . . . A25D 5/8º to 3/8º (Euro) Thread Adapter . . . . . . . . . . . . . 95A2050 Storage Bag . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26A21

OPTIONAL ACCESSORIES

Locking Magnetic Windscreen . . . . . . . . . . . . . . . . A57AWS Isolation Stand Mount . . . . . . . . . . . . . . . . . . . A55M, A55HM 7.6 m (25 ft.) Cable . . . . . . . . . . . . . . . . . . . . . . . C25E, C25F

REPLACEMENT PARTS

Cartridge . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . R174

Grille Assembly . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . RK320

Plug (Connector) Assembly . . . . . . . . . . . . . . . . . . . . 90F1984

250 Hz		2500 Hz
250 Hz		2500 Hz
500 Hz		6300 Hz
1000 Hz		10000 Hz

TYPICAL POLAR PATTERNS

FIGURE 3

BETA57A specifications

The Shure BETA57A is a highly regarded dynamic microphone that has made a significant impact in both live performances and studio recordings. Designed with versatility in mind, the BETA57A is particularly effective for capturing vocals as well as instruments, making it an essential tool for musicians, sound engineers, and audio professionals alike.

One of the standout features of the BETA57A is its tailored frequency response. The microphone excels in the mid-range frequencies, providing a clear and natural sound reproduction. This makes it ideal for miking a variety of sources, including guitar amplifiers, brass instruments, and snare drums. The frequency response is optimized to help deliver an articulate sound, while its presence peak enhances clarity, ensuring the vocalist or instrument cuts through the mix effectively.

Another key characteristic of the BETA57A is its supercardioid pickup pattern. This directional pattern provides excellent feedback rejection, allowing users to isolate the sound source while minimizing ambient noise. This feature is especially beneficial in live settings where extraneous sounds can be an issue. The supercardioid pattern also helps in achieving controlled and focused sound capture, making it easier to manage stage noise and gain before feedback.

The build quality of the BETA57A is robust, designed to withstand the rigors of both studio and stage use. It features a durable metal construction that can endure the demands of touring and frequent handling. The hardened steel mesh grille is designed to protect the internal components from physical damage, ensuring longevity and reliability.

Additionally, the BETA57A incorporates advanced technologies to enhance its performance. The dynamic element of the microphone responds well to high sound pressure levels, making it suitable for loud environments without distortion. The frequency response curve has been carefully shaped to ensure maximum sensitivity and minimal distortion, allowing for pristine audio capture.

In conclusion, the Shure BETA57A is a versatile dynamic microphone that stands out for its tailored frequency response, supercardioid pattern, and durable construction. Whether it’s on stage or in the studio, this microphone is an exceptional choice for capturing high-quality sound across a variety of applications. With its professional-grade features and reliable performance, the BETA57A is a valuable addition to any audio setup.