Shure Beta 87C Specification Sheet

Product Speciﬁcations

Beta® 87C Cardioid Condenser Vocal Microphone

Overview

The Shure Beta 87C vocal microphone is precision-engineered to deliver an extremely smooth, extended high-end frequency response in a cardioid condenser design. The warm, natural sound creates an ideal environment for personal monitoring, with excellent rear rejection.

Features

• Premier live performance microphone with Shure quality, ruggedness, and reliability

• Uniform cardioid pick-up pattern for maximum gain before feedback and excellent rejection of off-axis sound

• Smooth, wide frequency response with slight presence rise and controlled proximity effect tailored for vocals

• Advanced cartridge shock mount system absorbs mechanical shock and minimizes handling noise

• Very low susceptibility to RF and electromagnetic hum

• Dent-resistant steel mesh grille and enamel coated metal alloy construction resist wear and abuse

• Effective built-in pop filter reduces undesirable wind and breath noise

Available Models

BETA 87C Cardioid Condenser Vocal Microphone

Specifications

Cartridge Type Electret Condenser

Frequency Response 50 to 16,000 Hz

Polar Pattern Cardioid

Output Impedance 100 Ω

Sensitivity

(at 1kHz, open circuit voltage)

Maximum SPL

(1 kHz at 1% THD, 1kΩ load)

Signal-to-Noise Ratio

(referenced at 94 dB SPL at 1 kHz)

Dynamic Range

(at 1 kHz, 1 kΩ load)

Clipping Level

(1 kHz at 0.25% THD, 1kΩ load)

Self Noise

(typical, equivalent SPL, A-weighted)

Hum Pickup

(typical, at 60 Hz, equivalent SPL/mOe)

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

Weight Net: 0.207 kg (0.475 lbs)

Connector Three-pin professional audio (XLR), male

Power Requirements 11 to 52 Vdc phantom (1.2 mA)

−51 dBV/Pa (2 mV)

1 Pascal=94 dB SPL

139 dB

70.5 dB

S/N ratio is difference between 94 dB SPL and equivalent SPL of self noise, A-weighted

117 dB

−6 dBV (0.5 V)

22 dB typical

-5 dB

Accessories and Replacement Parts

RK312 Replacement grille A25D Microphone clip

A85WS Microphone windscreen

Polar Pattern

250 Hz 500 Hz 1000 Hz

2500 Hz 5000 Hz 10000 Hz

Frequency Response

+20

+10

–10

–20

20 50 100 1000 10000 20000

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Beta 87C