Shure KSM137/SL Stereo Small Diaphragm Condenser Microphones

$665.00
Article number: KSM137/SL Stereo
Availability: Ships from manufacturer
Delivery time: Normal delivery time is 2-7 business days, subject to availability.

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.

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
  • Includes two KSM137, two foam windscreens, A27M Stereo Microphone Adapter, carry case

Specifications

  • Cartridge Type: Electret Condenser
  • Frequency Response: 20 to 20,000 Hz
  • Output Impedance: 150 ohms
  • Sensitivity (at 1kHz, open circuit voltage; 1 Pascal=94 dB SPL): −37 dBV/Pa
  • Power Requirements: 48 Vdc phantom, 4.7 mA
  • Common Mode Rejection: >50 dB, 10 Hz to 100 kHz
  • Polarity: Positive pressure on front diaphragm produces positive voltage on output pin 2 relative to pin 3
  • Polar Pattern: Cardioid
  • Self-noise (typical, equivalent SPL; A-weighted): 14 dB
  • - Maximum SPL (1 kHz at 1% THD)* -
  • 1000 ohms load: 134 dB (159 dB, -25 Pad)
  • 2500 ohms load: 139 dB (164 dB, -25 Pad)
  • 5000 ohms load: 145 dB (170 dB, -25 Pad)
  • - Clipping Level (20Hz-20 kHz at 1% THD) -
  • 1000 ohms load: 3 dBV
  • 2500 ohms load: 9 dBV
  • 5000 ohms load: 15 dBV
  • - Dynamic Range (at 1 kHz) -
  • 1000 ohms load: 120 dB
  • 2500 ohms load: 125 dB
  • 5000 ohms load: 131 dB
  • Signal to Noise ratio (referenced at 94 dB SPL at 1 kHz): 80 dB
  • Weight Net: 100 g (3.5 oz.)
  • *THD of microphone preamplifier when applied input signal is equivalent to cartridge output at specified SPL
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