Shure KSM137/SL Stereo Pair Cardioid Condenser Microphones

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Product Code: 9999-12387
Shure KSM137/SL
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Shure KSM137/SL Stereo Pair Cardioid Condenser Microphones

Shure KSM137/SL Stereo Pair

Shure KSM137/SL Cardioid Condenser Microphone Details 

The Shure KSM137 is an end-address condenser microphone with a cardioid polar pattern. Designed for studio use, yet rugged enough for live applications, the KSM137 can withstand extremely high sound pressure levels (SPL). Its low self-noise and extended frequency response make it ideal for recording musical instruments.
Shure KSM137/SL Cardioid Condenser Microphone Features
  • A highly consistent cardioid polar pattern
  • Ultra-thin, 2.5 micron, 24 karat gold-layered, low mass Mylar diaphragm for superior transient response
  • Class A, discrete, transformerless preamplifier for transparency, extremely fast transient response, no crossover distortion, and minimal harmonic and intermodulation distortion
  • Premium electronic components, including gold-plated internal and external connectors
  • Subsonic filter eliminates low frequency rumble (less than 17 Hz) caused by mechanical vibration
  • Switchable 15 dB pad for handling extremely high sound pressure levels (SPLs)
  • Three-position switchable pad (0 dB, 15 dB, and 25 dB) for handling extremely high sound pressure levels (SPLs)
  • Three-position switchable low-frequency filter reduces background noise and counteracts proximity effect
Performance Characteristics
  • Extended frequency response
  • Low self noise
  • Exceptional reproduction of low-frequency sounds
  • Can withstand high sound pressure levels (SPL)
  • High output level
  • No crossover distortion
  • Uniform polar response
  • Superior common mode rejection and suppression of radio frequency interference
Some typical applications for the KSM137 are listed below. Microphone use, however, is a matter of personal taste. The KSM137 may be used for a variety of applications other than those listed
  • Acoustic instruments -- such as piano, guitar, drums, percussion, strings
  • Wind instruments -- brass and woodwind
  • Low frequency instruments -- such as double bass, electric bass, kick drum
  • Overhead miking -- drums or percussion
  • Ensembles -- choral or orchestral
  • Room ambiance pick-up -- guitar amplifier or drums
Both the acoustic environment and microphone placement strongly affect the sound obtained from miking a source. You may need to experiment with microphone placement and room treatments to achieve the best overall sound for each application.

Shure KSM137/SL Cardioid Condenser Microphone Specifications
  • Cartridge Type Permanently Biased Condenser
  • Frequency Response 20¨C20,000 Hz
  • Directional Polar Pattern Cardioid
  • Output Impedance 150 ¦¸ (actual)
  • Attenuation Switch 0 dB,15 dB, or 25 dB attenuation
  • Low Frequency Response Switch Flat; ¨C6 db/octave below 115 Hz; ¨C18 dB/octave below 80 Hz
  • Phantom Power 48
  • Current Drain 4.65 mA typical at 48 Vdc
  • Common Mode Rejection ¡Ý 50 dB, 20 Hz to 20 kHz
  • Polarity Positive pressure on diaphragm produces positive voltage on output pin 2 relative to pin 3
  • Dimensions and Weight 20 mm (0.8 in.) diameter, 122 mm (4.8 in.) long; 100 grams (3.5 oz.)
  • Sensitivity (typical, at 1000 Hz; 1 Pa = 94 dB SPL) ¨C37 dBV/Pa
  • Self¨Cnoise (typical, equivalent SPL; A-weighted, IEC 651) 14 dB
  • Signal to Noise Ratio 80 dB

Shure KSM137/SL Cardioid Condenser Microphone Includeds

  • KSM137 x2
  • Foam windscreen
  • Carrying case
  • Champagne finish

Other Information


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