KSM137 Cardioid instrument Microphone
KSM Series Instrument Microphone
Mac & 
Win
Availability:
In stock
As low as
$349.00
The KSM137 is a versatile, durable, and precise microphone. Outstanding for instruments ranging from percussion to wind, strings to brass, and piano to guitar.
Includes A27M Stereo Microphone Adapter
Exceptional reproduction of low-frequency sounds
Can withstand high sound pressure levels (SPL)
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
Product Specifications
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
145 dB
139 dB
134 dB
-25 dB Pad
170 dB
164 dB
159 dB
Signal-to-noise ratio
A-weighted 80 dB
Dynamic Range
(@ 1 kHz)
5000 ohms load:
2500 ohms load:
1000 ohms load:
131 dB
125 dB
120 dB
Clipping Level
(20 Hz - 20 kHz, 1% THD)
5000 ohms load:
2500 ohms load:
1000 ohms load:
15 dBV
9 dBV
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; -18dB/octave below 80 Hz
Connector Three-pin Professional Audio (XLR), male, balanced
Polarity Positive pressure on diaphragm produces positivevoltage on pin 2 with respect to pin 3
Power Requirements 11-52 VDC phantom power (IEC-61938)
4.7 mA, maximum
Net Weight 100 g (3.5 oz.)
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