KM 140 miniature microphone: Detail of the microphone capsule

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The flexible miniature microphone system for professional users. A comprehensive selection of accessories permits adaptation to a wide range of requirements. Seven different capsules are available.
Zoom: System KM 100
Technical Data KM 120, KM 130, KM 131
KM 120 KM 130 KM 131
Acoustical operating principle Press. grad. transducer Pressure transducer Pressure transducer
Directional pattern Side-fire figure-8 Omni diff. field eq Omni free field eq
Frequency range 20 Hz ... 20 kHz 20 Hz ... 20 kHz 20 Hz ... 20 kHz
Sensitivity at 1 kHz into 1 kohm 12 mV/Pa 12 mV/Pa 12 mV/Pa
Rated impedance 50 ohms 50 ohms 50 ohms
Rated load impedance 1 kohms 1 kohms 1 kohms
Equivalent noise level, CCIR1) 26 dB 27 dB 25 dB
Equivalent noise level, A-weighted1) 17.5 dB-A 16 dB-A 16 dB-A
Signal-to-noise ratio, CCIR1) (rel. 94 dB SPL) 68 dB 67 dB 69 dB
Signal-to-noise ratio, A-weighted1) (rel. 94 dB SPL) 76.5 dB 78 dB 78 dB
Maximum SPL for THD 0.5%2) 140 dB 140 dB 140 dB
Maximum SPL for THD 0.5% with preattenuation2) 150 dB 150 dB 150 dB
Maximum output voltage 10 dBu 10 dBu 10 dBu
Supply voltage (P48, IEC 61938) 48 V ± 4 V 48 V ± 4 V 48 V ± 4 V
Current consumption (P48, IEC 61938) 2 mA 2 mA 2 mA
Matching connector XLR3F XLR3F XLR3F
Weight 102 g 80 g 80 g
Diameter 24/22 mm 22 mm 22 mm
Length 110 mm 92 mm 92 mm
Technical Data KM 140, KM 143
KM 140 KM 143
Acoustical operating principle Press. grad. transducer Press. grad. transducer
Directional pattern Cardioid Cardioid wide angle
Frequency range 20 Hz ... 20 kHz 20 Hz ... 20 kHz
Sensitivity at 1 kHz into 1 kohm 15 mV/Pa 15 mV/Pa
Rated impedance 50 ohms 50 ohms
Rated load impedance 1 kohms 1 kohms
Equivalent noise level, CCIR1) 25 dB 25 dB
Equivalent noise level, A-weighted1) 16 dB-A 16 dB-A
Signal-to-noise ratio, CCIR1) (rel. 94 dB SPL) 69 dB 69 dB
Signal-to-noise ratio, A-weighted1) (rel. 94 dB SPL) 78 dB 78 dB
Maximum SPL for THD 0.5%2) 138 dB 138 dB
Maximum SPL for THD 0.5% with preattenuation2) 148 dB 148 dB
Maximum output voltage 10 dBu 10 dBu
Supply voltage (P48, IEC 61938) 48 V ± 4 V 48 V ± 4 V
Current consumption (P48, IEC 61938) 2 mA 2 mA
Matching connector XLR3F XLR3F
Weight 80 g 80 g
Diameter 22 mm 22 mm
Length 92 mm 92 mm
Technical Data KM 145, KM 150
KM 145 KM 150
Acoustical operating principle Press. grad. transducer Press. grad. transducer
Directional pattern Cardioid with low frequency roll-off Hypercardioid
Frequency range 20 Hz ... 20 kHz 20 Hz ... 20 kHz
Sensitivity at 1 kHz into 1 kohm 14 mV/Pa 10 mV/Pa
Rated impedance 50 ohms 50 ohms
Rated load impedance 1 kohms 1 kohms
Equivalent noise level, CCIR1) 26 dB 27 dB
Equivalent noise level, A-weighted1) 17 dB-A 18 dB-A
Signal-to-noise ratio, CCIR1) (rel. 94 dB SPL) 68 dB 67 dB
Signal-to-noise ratio, A-weighted1) (rel. 94 dB SPL) 77 dB 76 dB
Maximum SPL for THD 0.5%2) 138 dB 142 dB
Maximum SPL for THD 0.5% with preattenuation2) 148 dB 152 dB
Maximum output voltage 10 dBu 10 dBu
Supply voltage (P48, IEC 61938) 48 V ± 4 V 48 V ± 4 V
Current consumption (P48, IEC 61938) 2 mA 2 mA
Matching connector XLR3F XLR3F
Weight 80 g 80 g
Diameter 22 mm 22 mm
Length 92 mm 92 mm
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1) according to IEC 60268-1; CCIR-weighting acccording to CCIR 468-3, quasi peak; A-weighting according to IEC 61672-1, RMS
2) measured as equivalent el. input signal



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