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Shure – SM27 Professional Large Diaphragm Condenser Microphone

Shure

Cardioid large diaphragm condenser microphone delivers exceptional stage and studio performance applications. Features include a preamplifier for transparency, switchable low-frequency filter, and a -15dB switchable attenuator for SPL versatility.

SKU: SHUSM27 Categories: , , ,

Description

It’s ideal for both professional vocal and instrument use such as lead and ensemble vocals, acoustic guitar, strings, cymbals, woodwind and saxophone. The latest addition to the SM family is equally as comfortable on stage or in the studio.

The SM27 has a flat, neutral frequency response and very low self noise for a natural reproduction of the sound source. It includes a 3-position switchable low frequency filter which helps reduce unwanted background noise or counteract proximity effect and a -15db switchable attenuator for added versatility.

Feature Quick View

  • Ultra-thin, 24 Karat gold-layered, low mass large Mylar® diaphragm with a tight cardioid polar pattern
  • Flat, neutral frequency response and very low self noise for natural reproduction
  • Class-A transformerless preamplifier for transparency, extremely fast transient response and no crossover distortion
  • 3-position switchable low-frequency filter helps reduce unwanted background noise or counteract proximity effect
  • -15dB switchable attenuator for additional SPL versatility
  • Internal shock mount reduces handling noise
  • Three separate mesh layers reduces wind and breath noise
  • Includes a stand adapter and a zippered pouch

In the Box

  • SM27 Professional Large Diaphragm Condenser Microphone
  • 1 – A32M ShureLock™ Black Swivel Adapter
  • 1 – A32ZB Zippered Carrying Bag

Video

Shure SM Microphones

SM Microphones are equal to the demands of high-energy performance, proven time and time again through decades of rigorous use by performers and engineers of all experience levels.

Additional information

Weight 0.64 kg
Type

Condenser (externally biased)

Frequency Response

20 to 20,000 Hz

Polar Pattern

Cardioid

Impedance

150 Ω (140 Ω actual)

Sensitivity (at 1 kHz, Open circuit voltage)

−37 dBV/Pa 1 Pascal=94 dB SPL

Maximum SPL (1 kHz at 1% THD)

1000 Ω load: 133 dB (147 dB, Pad on) 2500 Ω load: 138 dB (152 dB, Pad on)

Signal-to-Noise Ratio (referenced at 94 dB SPL at 1 kHz)

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

Dynamic Range (at 1 kHz)

1000 Ω load: 123 dB 2500 Ω load: 128 dB

Common Mode Rejection (20 Hz to 20 kHz

> 50 dB

Clipping Level (20Hz-20 kHz at 1% THD)

1000 Ω load: 1 dBV 2500 Ω load: 7 dBV THD of microphone preamplifier when applied input signal is equivalent to cartridge output at specified SPL

Self Noise (typical, equivalent SPL, A-weighted)

9.5 dB

Polarity

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

Switch

Attenuator: -15 dB Low frequency response: flat; -6 dB/octave below 115 Hz; -18 dB/octave below 80 Hz

Connector

Three-pin professional audio (XLR), male

Power Requirements

48 Vdc phantom, 5.4 mA

Downloads

Spec Sheet Download
User Guide Download