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Shure KSM137/SL STEREO Cardioid Condenser (Stereo Pair) Champagne 

(Champagne)  Sku #H14003000001000

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Consistent cardioid polar pattern and special low-mass Mylar diaphragm provides better transient response.

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.

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

An excellent and convenient solution for miking drum overheads and other instruments in XY stereo. Order today!


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 ? (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:
5000? load (Attenuator on): 145 (160, 170)dB
2500? load (Attenuator on): 139 (154, 164)dB
1000? load (Attenuator on): 134 (149, 159)dB
Output clipping level*:
5000? load: 15dBV
2500? load: 9dBV
1000? 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:
5000? load: 131dB
2500? load: 125dB
1000? load: 120dB
Signal-to-Noise Ratio**: 80dB
**S/N ratio is difference between 94dB SPL and equivalent SPL of self noise A-weighted
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