Specifications

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MODEL BETA 58

SUPERCARDIOID DYNAMIC VOCAL MICROPHONE

OVERVIEW

The Shure BETA 58A is a high-output supercardioid dynamic

vocal 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. The BETA 58A has a

shaped frequency response that is ideal for close–up vocals.

The superb performance of this microphone is not affected by

rough handling because of its rugged construction, proven shock

mount system, and hardened steel mesh grille. Typical applica-

tions for the BETA 58A include lead vocals, backup vocals and

speech.

FEATURES

S Frequency response tailored for vocals, with brightened

midrange and bass rolloff to control proximity effect

S Uniform supercardioid pattern for high gain before feedback

and superior rejection of off–axis sound

S Neodymium magnet for high signal–to–noise output

S Hardened steel mesh grille that resists wear and abuse

S Advanced pneumatic shock mount system that minimizes

transmission of mechanical noise and vibration

S Minimally effected by varying load impedance

S Legendary Shure quality and reliability

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.

0.6 m

(2 FT)

51 mm

(2 IN.)

25 mm

(1 IN.)

3 mm

(1/8 IN.)

500 1,000 2,000 5,000 10,000 20,00050 100 20020

–10

+10

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TYPICAL FREQUENCY RESPONSE

Polar Pattern

Supercardioid, rotationally symmetrical about microphone

axis, uniform with frequency (see Figure 3)

120

150

120

180

150

120

150

120

180

–5 dB

–10 dB

–15 dB

–20 dB

–5 dB

–10 dB

–15 dB

–20 dB

10000 Hz

6300 Hz

2500 Hz

1000 Hz

500 Hz

250 Hz

TYPICAL POLAR PATTERNS

Output Level (at 1,000 Hz)

Open Circuit Voltage: –51.5 dBV/Pa* (2.6 mV)

*1 Pa = 94 dB SPL

Impedance

Rated impedance is 150 W (290 W actual) for connection to mi-

crophone inputs rated low Z

Model Beta 58A Microphone

Specification Sheet

Summary of content (2 pages)

PAGE 1
Model Beta 58A Microphone Specification Sheet MODEL BETA 58R SUPERCARDIOID DYNAMIC VOCAL MICROPHONE OVERVIEW The Shure BETA 58A is a high-output supercardioid dynamic vocal 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.
PAGE 2
MODEL BETA58 DYNAMIC VOCAL MICROPHONE Phasing Positive pressure on diaphragm produces positive voltage on pin 2 with respect to pin 3. See Figure 4. Specification Sheet matte-finished, spherical steel mesh grille Adjustable, Stand Adapter Slip-in microphone mounting, unbreakable, adjustable through 180° with standard 5/8”-27 thread, black finish Dimensions (See Figure 5) 50 mm (2 in.) 160 mm (6.5 in.