Shure KSM137 Stereo Pair of Cardioid Condenser Studio Microphones

PA SKU # SHU KSM137SLSTEREO MFR # KSM137/SL STEREO UPC # 042406199063
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  • Product Highlights
  • Factory Matched Stereo Pair
  • Cardioid Polar Pattern
  • Condenser Element
  • Switchable Roll-Off Filter
  • Switchable Pad
  • Transformerless Preamplifier
  • High SPL Capabilities
  • Extended Frequency Response
Quantity Single Stereo Pair

Stereo Pair of Cardioid Condenser Studio Microphones with Foam Windscreens, A27M Stereo Microphone Adapter and Carrying Case

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.

Available Options
KSM137/SL: Includes foam windscreen, carry case, champagne finish
KSM137/SL STEREO: Includes two KSM137, two foam windscreens, A27M Stereo Microphone Adapter, carry case
  • 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
  • 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
  • Cartridge Type: Permanently Biased Condenser
  • Frequency Response: 20 to 20,000 Hz
  • Directional Polar Pattern: Cardioid
  • Output Impedance: 150 ohms (actual)
  • Attenuation Switch: 0 dB, 15 dB, or 25 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 (IEC-268-15/DIN 45 596), positive pins 2 and 3
  • Current Drain: 4.65 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
  • 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): -37 dBV/Pa
  • Self-noise (typical, equivalent SPL; A-weighted, IEC 651): 14 dB
  • Maximum SPL at 1 kHz:
    5000 ohm load (Attenuator on): 145 (160, 170) dB
    2500 ohm load (Attenuator on): 139 (154, 164) dB
    1000 ohm load (Attenuator on): 134 (149, 159) dB
  • Output Clipping Level*:
    5000 ohm load: 15 dBV
    2500 ohm load: 9 dBV
    1000 ohm load: 3 dBV
  • *20 Hz to 20 kHz; THD < 1%. THD of the microphone preamplifier when applied input signal is equivalent to the cartridge output at specified SPL
  • Dynamic Range:
    5000 ohm load: 131 dB
    2500 ohm load: 125 dB
    1000 ohm load: 120 dB
  • Signal to Noise Ratio**: 80 dB
  • **S/N ratio is difference between 94 dB SPL and equivalent SPL of self noise A-weighted.
  • 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
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