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Shure – KSM137 Cardioid Instrument Microphone

Shure

Cardioid instrument microphone delivers excellent sound isolation and superior transient response. It features a gold-layered Mylar diaphragm, preamplifier for transparency, subsonic filter to stop low frequency rumble, and a pad for handling SPLs.

SKU: SHUKSM137 Categories: , , , ,
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Description

The KSM137 is an end-address condenser microphone with a single 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 instruments.

Versatile, durable, and precise, the KSM137 is an outstanding microphone for instruments ranging from percussion to wind, strings to brass, and piano to guitar.

Performance Characteristics

  • Extended frequency response
  • Exceptional reproduction of low-frequency sounds
  • Can withstand high sound pressure levels (SPL)
  • Superior common mode rejection and suppression of radio frequency interference

Common Applications

  • 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

Features

  • 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)
  • 3-position switchable pad (0 dB, 15 dB, and 25 dB) for handling extremely high sound pressure levels (SPLs)
  • 3-position switchable low-frequency filter reduces background noise and counteracts proximity effect

Video

Shure KSM Microphones

KSM microphones deliver world-class mastery of sound reproduction from exquisite electro-acoustical design and technology.

Additional information

Weight 0.1 kg
Cartridge Type

Electret Condenser

Polar Pattern

Cardioid

Frequency Response

20 to 20,000 Hz

Senstivity Open circuit voltage, @ 1 kHz, typical

-37 dBV/Pa (14.1 mV) 1 Pa = 94 dB SPL

Maximum SPL (1 kHz @ 1% THD)

No Pad: -25 dB Pad 145 dB 170 dB 139 dB 164 dB 134 dB 159 dB

Signal-to-noise ratio A-weighted

80 dB

Dynamic Range (@ 1 kHz)

5000 ohms load: 131 dB 2500 ohms load: 125 dB 1000 ohms load: 120 dB

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

5000 ohms load: 15 dBV 2500 ohms load: 9 dBV 1000 ohms load: 3 dBV

Self Noise equivalent SPL, A-weighted, typical

14 dB

Common Mode Rejection (10 to 100,000 Hz)

≥50 dB

Switch

Attenuator: 0, −15, −25 dB Low Frequency Filter: flat; -6 dB/octave below 115 Hz; -18 dB/octave below 80 Hz

Connector

Three-pin Professional Audio (XLR), male, balanced

Polarity

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

Power Requirements

11-52 VDC phantom power (IEC-61938) 4.7 mA, maximum

Downloads

Spec Sheet Download
User Guide Download