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Shure Beta 27 Instrument Microphone (Discontinued)

Part #:
Beta 27
Model #:
Beta 27
Availability: No Longer Available
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The Shure Beta 27 Instrument Microphone is a precision-engineered, large-diaphragm side-address microphone for professional live and studio applications.

Description

The BETA 27 side-address condenser microphone is precision engineered for professional sound reinforcement and project studio recording applications. Its flat frequency response and low self-noise provide unerring performance in demanding environments. A tight supercardioid pattern ensures high gain-before-feedback and maximum isolation from other sound sources.

Features

  • Supercardioid polar pattern specifically targets the sound source consistently with greatly minimized bleed from off-axis sound sources
  • Tailored for superior transient response from a low-mass, 1” externally-biased, ultra-thin 24 Karat gold-layered Mylar diaphragm
  • Flat, neutral frequency response for natural reproduction on stage or in the studio
  • 3-position switchable low-frequency filter helps reduce unwanted background noise or counteract proximity effect for consistent, extended lowend
  • -15 dB switchable attenuator handles extremely high SPLs with ease
  • Premium electronic components and gold-plated internal and external connectors
  • Internal pop filter with three separate mesh layers reduces wind and breath noise

Specifications

Type Condenser (externally biased)
Frequency Response 20 to 20,000Hz
Polar Pattern Supercardioid
Output Impedance 160 Ω
Sensitivity −37 dBV/Pa (14.1 mV)1 Pascal=94 dB SPL
Maximum SPL 1000 Ω load: 134 dB (148 dB, Pad on) 2500 Ω load: 140 dB (154 dB, Pad on)
Signal-to-Noise Ratio (referenced at 94 dB SPL at 1 kHz) 85.5 dBS/N ratio is difference between 94 dB SPL and equivalent SPL of self noise, A-weighted
Dynamic Range (at 1 kHz) 1000 load: 125.5 dB2500 load: 131.5 dB
Common Mode Rejection > 50 dB
Clipping Level 1000 Ω load: 2.0 dBV, 2500 Ω load: 8.5 dBV
Self Noise 8.5 dB
Polarity Positive pressure on diaphragm produces positive voltage on pin 2 with respect to pin 3
Connector Three-pin professional audio (XLR), male
Power Requirements 48 Vdc phantom, 5.6 mA
Switch Attenuator: -15 dBLow Frequency Response: flat; -6 dB/octave below 115 Hz; -18 dB/octave below 80 H
Weight 0.94 lbs (428 g)
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