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SM27 Condenser Microphone

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Overview

Equally comfortable on stage or in the studio.

The SM27 is a rugged and versatile large-diaphragm, side-address cardioid microphone, with low self-noise and extended frequency response that picks up vocal and instrument nuances with clarity. Durable Shure construction features three separate mesh layers that reduce wind and breath noise.

Features

  • Uniform cardioid pattern for superior off axis rejection
  • Superior transient response from a low-mass large Mylar diaphragm
  • Flat, neutral frequency response for natural reproduction onstage or in the studio
  • 3-position switchable low-frequency filter helps reduce unwanted background noise or counteract proximity effect for consistent, extended low-end
  • Durable metal construction
  • 3 separate mesh layers reduce wind and breath noise.
  • 15dB pad for performance consistency across a wider range of high SPL sources
Specs

SM27 Condenser Microphone Specifications:

  • Cartridge Type: Externally biased condenser
  • Frequency response: 20 to 20,000Hz
  • Directional Polar Pattern: Cardioid
  • Output impedance: EIA Rated at 150 Ohms (140 Ohms actual)
  • Attenuation switch: 0 or 15dB attenuation
  • Low Frequency response switch: (Flat) -6 db/octave below 115Hz, -18 dB/octave below 80Hz
  • Phantom Power: 48 Vdc ±4 Vdc (IEC 268 15/DIN 45 596), positive pins 2 and 3
  • Current Drain: 5.4 mA typical at 48 Vdc
  • Common Mode Rejection: >50dB, 20Hz to 20kHz
  • Polarity: Positive pressure on diaphragm produces positive voltage on output pin 2 relative to pin 3
  • Sensitivity (typical, at 1000Hz; 1Pa = 94dB SPL): -37 dBV/Pa
  • Self noise (typical, equivalent SPL; A weighted, IEC 651): 9.5dB
  • Maximum SPL (1000Hz at 1% THD): 2500 Ohm load (Attenuator on): 138 (153)dB, 1000 Ohm load (Attenuator off): 133 (148)dB
  • Output Clipping Level: (2500 Ohm load) 7dBV, (1000 Ohm load) 1dBV
  • Dynamic Range: 2500 Ohm load (128dB), (1000 Ohm load) 123dB
  • Signal to Noise ratio: 84.5dB
  • Dimensions and Weight: 53.0mm (2.08") maximum body diameter; 156.2mm (6.15") long; 642g (22.6 oz.)
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