Shure SM27 Multi-Purpose Condenser Microphone

A rugged and versatile large-diaphragm, side-address cardioid microphone, with low self-noise and extended frequency response, the Shure SM27 Condenser Microphone picks up vocal and instrument nuances with clarity. Durable Shure construction features three separate mesh layers that reduce wind and breath noise. The SM27 is equally comfortable on stage or in the studio and works just as hard as you do.

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 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

Technical Info

Cartridge Type: Externally Biased Condenser

Frequency Response: 20 to 20,000 Hz

Directional Polar Pattern: Cardioid

Output Impedance: EIA Rated at 150 ohms (140 ohms actual)

Attenuation Switch: 0 or 15 dB attenuation

Low Frequency response switch: Flat
- -6 db/octave below 115 Hz
- -18 dB/octave below 80 Hz

Phantom Power: 48 Vdc +/- 4 Vdc (positive pins 2 and 3)

Current Drain: 5.4 mA typical at 48 Vdc

Common Mode Rejection: >50 dB, 20 Hz to 20 kHz

Polarity: Positive pressure on diaphragm produces positive voltage on output pin 2 relative to pin 3

Sensitivity: -37 dBV/Pa (typical, at 1000 Hz; 1Pa = 94 dB SPL)

Selfnoise: 9.5 dB (typical, equivalent SPL; Aweighted, IEC 651)

Maximum SPL: at 1000 Hz
- 2500 ohm load (Attenuator on): 137 (152) dB
- 1000 ohm load (Attenuator off): 132 (147) dB

Output Clipping Level:
- 2500 ohm load: 7 dBV
- 1000 ohm load: 1 dBV

Dynamic Range:
- 2500 ohm load: 123 dB
- 1000 ohm load: 118 dB

Signal to Noise ratio: 80 dB

Dimensions:
- 2.08 inches (53 mm) maximum body diameter
- 6.15 inches (156.2 mm) long

Weight: 22.6 ounces (642 g)

This mic is a rugged and versatile large-diaphragm, side-address cardioid microphone, with low self-noise and extended frequency response. It picks up nuances of vocals and instruments with clarity. Construction features three separate mesh layers that reduce wind and breath noise and works equally well on stage or in the studio.