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Shure KSM137/SL STEREO Cardioid Condenser (Stereo Pair)
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Stereo pair of condensers—consistent cardioid polar pattern and special low-mass Mylar diaphragm provides better transient response—great for drum overheads.

The Shure KSM137/SL STEREO includes a matched stereo pair of KSM137/SL instrument microphones, two foam windscreens, A27M stereo microphone adapter, and a carry case.

KSM137/SL Instrument Microphone
The KSM137/SL is an end-address condenser microphone with a single cardioid polar pattern. Designed for studio use, yet rugged enough for live applications, the KSM137/SL 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/SL is an outstanding microphone for instruments ranging from percussion to wind, strings to brass, and piano to guitar.

A27M Stereo Microphone Adapter
The included A27M Stereo Microphone Adapter holds two microphones in selectable positions, allowing them to share a stand without losing independent positioning flexibility.

Shure KSM137/SL STEREO Cardioid Condenser (Stereo Pair) 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 17Hz) caused by mechanical vibration
    Switchable 15dB pad for handling extremely high sound pressure levels (SPLs)
    3-position switchable pad (0dB, 15dB, and 25dB) 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

    Common Applications
    Acoustic instruments: 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

Shure KSM137/SL STEREO Cardioid Condenser (Stereo Pair) Specifications:

  • Cartridge type: Permanently biased condenser
    Frequency response: 20 to 20,000Hz
    Directional polar pattern: Cardioid
    Output impedance: 150 Ω (actual)
    Attenuation Switch
    0dB, 15dB, or 25dB attenuation
    Low-frequency response switch: Flat; -6 db/octave below 115Hz
    -18dB/octave below 80Hz
    Phantom power: 48 Vdc ± 4 Vdc (IEC-268-15/DIN 45 596), positive pins 2 and 3
    Current drain: 4.65mA typical at 48 Vdc
    Common mode rejection: ≥50dB, 20Hz to 20kHz
    Polarity: Positive pressure on diaphragm produces positive voltage on output pin 2 relative to pin 3
    Dimensions and weight: 20mm (0.8") diameter, 122mm (4.8") long
    100g (3.5oz.)
    Sensitivity (typical, at 1000Hz; 1 Pa = 94dB SPL): -37dBV/Pa
    Self-noise (typical, equivalent SPL; A-weighted, IEC 651): 14dB
    Maximum SPL at 1kHz:
    5000Ω load (Attenuator on): 145 (160, 170)dB
    2500Ω load (Attenuator on): 139 (154, 164)dB
    1000Ω load (Attenuator on): 134 (149, 159)dB
    Output clipping level*:
    5000Ω load: 15dBV
    2500Ω load: 9dBV
    1000Ω load: 3dBV
    *20Hz to 20kHz; THD < 1%. THD of the microphone preamplifier when applied input signal is equivalent to the cartridge output at specified SPL
    Dynamic range:
    5000Ω load: 131dB
    2500Ω load: 125dB
    1000Ω load: 120dB
    Signal-to-Noise Ratio**: 80dB
    **S/N ratio is difference between 94dB SPL and equivalent SPL of self noise A-weighted

Shure KSM137/SL STEREO Cardioid Condenser (Stereo Pair)

One year warranty on wireless mics, mixers, and circuitry products.
2 year warranty on wired mics.
Warranty terms vary. Check with manufacturer for specific product warranty.

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Questions about the KSM137/SL STEREO Cardioid Condenser (Stereo Pair) (H14003)

PO Box 4769
Westlake Village, CA 91359
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