KSM141 Dual Pattern Instrument Microphone

Home Audio Hardware Recording Gear Shure Incorporated Microphones KSM141/SL KSM Series Dual-Pattern Instrument Microphone
KSM Series Dual-Pattern Instrument Microphone
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Shure Incorporated
Mac & Win
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An end-addressed large diaphragm condenser microphone with mechanically switching dual polar patterns (cardioid and omnidirectional).

Includes two KSM141, two foam windscreens, A27M Stereo Microphone Adapter, carry case

A mechanical polar pattern switch for highly consistent cardioid and true omnidirectional polar patterns

Three-position switchable low-frequency filter to reduce background noise and counteract proximity effect

Three-position switchable pad (0 dB, 15 dB, and 25 dB)

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

Can withstand high sound pressure levels (SPL)

High output level

No crossover distortion

Cartridge Type

Electret Condenser

Polar Pattern

CardioidOmnidirectional (selectable)

Frequency Response

20 to 20,000 Hz

Output Impedance



open circuit voltage@ 1 kHztypical

37 dBV/Pa [1] (14. mV)

Maximum SPL

1 kHz at 1% THD [2]

PAD ON5000 load170 dB
2500 load164 dB
1000 load159 dB
PAD OFF5000 load145 dB
2500 load139 dB
1000 load134 dB

Signal-to-Noise Ratio [3]

80 dB

Dynamic Range

@ 1 kHz

5000 load131 dB
2500 load125 dB
1000 load120 dB

Clipping Level

20 Hz to 20 kHz1% THD

5000 load15 dBV
2500 load9 dBV
1000 load3 dBV

Self Noise

equivalent SPLA-weightedtypical

14 dB SPL-A

Common Mode Rejection

10 to 100,000 kHz

50 dB

Attenuator Switch

0, -15, -25  dB

Low-Frequency Filter Switch

Flat, 6 dB/octave below 115 Hz, or 18 dB/octave below 80 Hz


Three-pin professional audio (XLR), male, balanced


Positive pressure on diaphragm produces positive voltage on pin 2 with respect to pin 3

Power Requirements

1152 V DC [4]phantom power (IEC-61938) 4.7 mAmaximum

Net Weight

156 g (5. oz.)

[1]1 Pa=94 dB SPL

[2]THD of microphone preamplifier when applied input signal level is equivalent to cartridge output at specified SPL

[3]S/N ratio is the difference between 94 dB SPL and equivalent SPL of self noise, A-weighted

[4]All specifications measured with a 48 Vdc phantom power supply. The microphone operates at lower voltages, but with slightly decreased headroom and sensitivity.

Overall Dimensions





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