Miniature Microphone

KM 131

The KM 131 was part of the KM 100 series, Neumann’s first modular small diaphragm microphone system. The KM 131 combines the KM 100 output stage with the free-field equalized omni capsule AK 31.

Miniature microphones with 7 exchangeable capsules
Transformerless circuitry
Extensive accessories

KM 131

TITRE

DONNÉES ET DIAGRAMMES

Diameter	22 mm
Length	92 mm
Weight	80 g
Current consumption (P48, IEC 61938)	2 mA
Directional Pattern	Omni free field eq
Frequency Range	20 Hz ... 20 kHz
Matching connector	XLR 3 F
Rated Impedance	50 Ohms
Supply voltage (P48, IEC 61938)	48 V ± 4 V
Acoustical operating principle	Pressure transducer
Maximum output voltage	10 dBu
Rated load impedance	1000 Ohms
Equivalent noise level, CCIR	25 dB
Maximum SPL for THD 0.5%	140 dB
Equivalent noise level, A-weighted	16 dB-A
Sensitivity at 1 kHz into 1 kohm	12 mv/Pa
Maximum SPL for THD 0.5% with preattenuation	150 dB
Signal-to-noise ratio, CCIR (re. 94 dB SPL)	69 dB
Signal-to-noise ratio, A-weighted (re. 94 dB SPL)	78 dB
Signal-to-noise ratio, CCIR (re. 94 dB SPL)	69 dB