Shure SM27SC
Cardioid Condenser Side-Address Microphone


Our Price: $299.00
List Price: $374.00
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The SM27 is a rugged and versatile large-diaphragm, side-address cardioid condenser microphone.  It has 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. Equally comfortable on stage or in the studio.

The SM27-SC version includes a rubber suspension shock mount, and velveteen storage pouch (U.S. Only).


  • 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 on stage 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.
  • Three separate mesh layers reduces wind and breath noise.
  • 15dB pad for performance consistency across a wider range of high SPL sources


  • Type: Condenser (externally biased)
  • Frequency Response: 20 to 20,000 Hz
  • Polar Pattern: Cardioid
  • Impedance: 150 Ohms (140 Ohms actual)
  • Sensitivity(at 1 kHz, open circuit voltage):
    -37 dBV/Pa
    1 Pascal=94 dB SPL
  • Maximum SPL (1 kHz at 1% THD):
    1000 Ohm load: 133 dB (147 dB, Pad on)
    2500 Ohm 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 Ohm load: 123 dB
    2500 Ohm load: 128 dB
  • Common Mode Rejection (20 Hz to 20 kHz): > 50 dB
  • Clipping Level (20Hz-20 kHz at 1% THD):
    1000 Ohm load: 1 dBV
    2500 Ohm 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
  • Weight: Net: 642 g (22.6 oz.)
  • 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

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