MODEL BETA 87A CONDENSER MICROPHONE

Specification Sheet

Output Impedance

Rated at 150 ohms (100 ohms actual ±20%) Recommended minimum load impedance: 800 ohms

Sensitivity (at 1,000 Hz)

Open Circuit Voltage . . . . . . . . . . . . . . . . . –52.5 dBV/Pa (2 mV) (1 Pa = 94 dB SPL)

Clipping Level (at 1,000 Hz)

1000 ohm Load . . . . . . . . . . . . . . . . . . . . . . . . . . . –6 dBV (0.5 V) Maximum SPL (at 1,000 Hz)

140.5 dB (0.25% THD, 1000 ohm load)

Self-Noise(equivalent sound pressure level; measured with true rms voltmeter)

23.5 dB typical, A-weighted

25.5dB typical, weighted per DIN 45 405

Dynamic Range

117 dB (maximum SPL to A-weighted noise level)

Dimensions

192 mm

(7–9/16in.)

21mm (53/64 in.)

Signal-to-Noise Ratio

70.5dB at 94 dB SPL (IEC 651)*

Polarity

Positive pressure on diaphragm produces positive voltage on pin 2 relative to pin 3

Power

Phantom Supply Requirement . . . . . . . . . 11 to 52 Vdc, positive

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . at both pins 2 and 3 Current Drain . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1.0 to 1.2 mA

Connector

Three–pin (XLR) professional audio

Case

Aluminum construction with blue metallic finish, and hardened steel grille with nickel satin chrome plating

Net Weight

207 grams (7.6 oz)

51 mm

(2 in.)

DIMENSIONS

FURNISHED ACCESSORIES

Swivel Adapter

. . . . . . . A25D

Carrying/Storage Bag

. . . 26A13

REPLACEMENT PARTS

 

 

 

Grille

. . . . . . RK312

Replacement Amplifier Assembly

90KF2600

Cartridge

. . . . . . . R193

 

 

OPTIONAL ACCESSORIES

 

 

 

Phantom Power Supply

. . . . . . . PS1A

Windscreen

. . A85WS

Isolation Mount

A53M, A53HM

Cable (7.6 m—25 ft)

. . . . C25F

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Shure BETA 87A Output Impedance, Clipping Level at 1,000 Hz, Dynamic Range, Dimensions, Signal-to-Noise Ratio, Polarity

BETA 87A specifications

The Shure BETA 87A is a premier vocal microphone designed for professional use, providing exceptional sound quality and performance across various settings. Renowned for its clarity and accuracy, the BETA 87A is particularly favored by vocalists in live performances, studio recordings, and broadcasting.

One of the standout features of the BETA 87A is its supercardioid polar pattern. This design effectively captures sound from the front while minimizing unwanted background noise from the sides and rear, making it ideal for loud environments and on-stage use. The microphone excels in isolating the vocalist's voice, ensuring that it shines through in a mix without interference.

The BETA 87A utilizes an advanced frequency response tailored for vocals, providing a smooth and natural sound reproduction. With a frequency range of 50 Hz to 20 kHz, it accurately captures the nuances of the human voice, from deep lows to bright highs. This broad range enhances vocal articulation, making it a preferred choice among professional singers and sound engineers.

In addition to its acoustic qualities, the BETA 87A features a carefully engineered shock mount system that minimizes handling noise and vibrations. This ensures that even the most dynamic performances won’t be compromised by unwanted sounds. Additionally, the microphone includes a built-in pop filter, which effectively reduces plosive sounds, further enhancing recording quality.

The BETA 87A is also designed with durability in mind. Its rugged construction and high-quality materials allow it to withstand the rigors of frequent use, making it a dependable option for touring musicians. The microphone’s metal housing is not only sturdy but also visually appealing, featuring a sleek finish that enhances its professional appearance.

Connectivity is straightforward with the BETA 87A, as it is equipped with a standard XLR output. This allows for compatibility with a wide range of audio equipment, including mixers and interfaces, making integration into any sound system seamless.

Overall, the Shure BETA 87A combines advanced technology and thoughtful design to deliver outstanding audio performance. Its superior sound quality, noise rejection capabilities, and robust construction make it a top choice for anyone serious about vocal performance. Whether on stage or in the studio, the BETA 87A consistently proves to be a reliable and exceptional microphone.