Neumann KM 140 Cardioid Condenser Microphone
Neumann KM 140 Cardioid Condenser Microphone
The KM 140 was part of the KM 100 series, Neumann’s first modular small diaphragm microphone system. The KM 140 combines the KM 100 output stage with the cardioid capsule AK 40.
Features:
- Miniature microphones with 7 exchangeable capsules
- Transformerless circuitry
- Extensive accessories
Specifications:
- Acoustical operating principle: Pressure gradient transducer
- Directional Pattern: Cardioid
- Frequency Range:20 Hz … 20 kHz
- Sensitivity at 1 kHz into 1 kohm: 15 mv/Pa
- Rated Impedance: 50 Ohms
- Rated load impedance: 1000 Ohms
- Equivalent noise level, CCIR: 25 dB
- Equivalent noise level, A-weighted: 16 dB-A
- Maximum SPL for THD 0.5%: 138 dB
- Maximum SPL for THD 0.5% with preattenuation: 148 dB
- Signal-to-noise ratio, CCIR (re. 94 dB SPL): 69 dB
- Signal-to-noise ratio, A-weighted (re. 94 dB SPL): 78 dB
- Maximum output voltage: 10 dBu
- Supply voltage (P48, IEC 61938): 48 V ± 4 V
- Current consumption (P48, IEC 61938): 2 mA
- Matching connector: XLR 3 F
- Weight: 80 g
- Diameter: 22 mm
- Length: 92 mm
