Miniature Microphone

KM 145

The KM 145 was part of the KM 100 series, Neumann’s first modular small diaphragm microphone system. The KM 145 combines the KM 100 output stage with the cardioid capsule AK 45, whose built-in low cut compensates the proximity effect.

Miniature microphones with 7 exchangeable capsules
Transformerless circuitry
Extensive accessories

KM 145

TITRE

DONNÉES ET DIAGRAMMES

Diameter	22 mm
Length	92 mm
Weight	80 g
Current consumption (P48, IEC 61938)	2 mA
Directional Pattern	Cardioid with low frequency roll-off
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 gradient transducer
Maximum output voltage	10 dBu
Rated load impedance	1000 Ohms
Equivalent noise level, CCIR	26 dB
Maximum SPL for THD 0.5%	138 dB
Equivalent noise level, A-weighted	17 dB-A
Sensitivity at 1 kHz into 1 kohm	14 mv/Pa
Maximum SPL for THD 0.5% with preattenuation	148 dB
Signal-to-noise ratio, CCIR (re. 94 dB SPL)	68 dB
Signal-to-noise ratio, A-weighted (re. 94 dB SPL)	77 dB
Signal-to-noise ratio, CCIR (re. 94 dB SPL)	68 dB