KM 183
The KM 183 is a small diaphragm condenser microphone with an omnidirectional pressure-transducer capsule, equalized for a flat diffuse-field response. It suits studio, stage, TV and radio work on acoustic instruments, drums, choir, organ and stereo or surround setups.
- Omnidirectional pressure transducer, diffuse-field equalized
- Self-noise 13 dB-A; S/N ratio 81 dB (A-weighted)
- Max SPL 140 dB for 0.5% THD
- Sensitivity 12 mV/Pa ± 1 dB into 1 kΩ
- Transformerless output; cable runs up to 300 m
- Nickel or black (mt); single or stereo set
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The KM 183 is the omnidirectional member of Neumann's non-modular Series 180, alongside the cardioid KM 184 and hypercardioid KM 185. It uses a pressure-transducer capsule with a uniform, largely frequency-independent pattern, so off-axis sound keeps its tonal balance. That helps in multi-microphone, stereo and surround setups. The capsule is equalized flat in the diffuse field. Close to a source in the free field, it has a treble lift of about 7 dB at 10 kHz.
The transformerless head amplifier gives a dynamic range of 127 dB, with 13 dB-A equivalent noise and a maximum SPL of 140 dB at 0.5% THD. As a pressure transducer it has no low-frequency roll-off, which suits orchestra and church organ recording. The low-impedance output can drive cable runs of up to 300 m (1000 ft). The body is 22 mm in diameter and 107 mm long, so it is visually discreet for TV and radio use.
It connects over a 3-pin XLR and takes 48 V phantom power (P48). It comes in nickel (KM 183) or black (KM 183 mt), as a single microphone or a stereo set. Each microphone ships with a WNS 100 windscreen and an SG 21 bk stand mount swivel.
Vidéo
Spécifications
- Marque
- Neumann
- Modèle
- KM 183
- Catégorie
- Studio › Microphones
Audio
- Acoustical operating principle
- Pressure transducer
- Directional pattern
- Omnidirectional
- Frequency range
- 20 Hz ... 20 kHz
- Sensitivity at 1 kHz into 1 kohm
- 12 mV/Pa ± 1 dB
- Equivalent noise level, CCIR
- 24 dB
- Equivalent noise level, A-weighted
- 13 dB-A
- Maximum SPL for THD 0.5%
- 140 dB
- Signal-to-noise ratio, CCIR (re. 94 dB SPL)
- 70 dB
- Signal-to-noise ratio, A-weighted (re. 94 dB SPL)
- 81 dB
- Dynamic range
- 127 dB
Outputs
- Rated impedance
- 50 ohms
- Rated load impedance
- 1 kohms
- Maximum output voltage
- 10 dBu
- Matching connector
- XLR 3 F
Power
- Supply voltage (P48, IEC 61938)
- 48 V ± 4 V
- Current consumption (P48, IEC 61938)
- 3.2 mA
Physical
- Weight
- approx. 80 g
- Diameter
- 22 mm
- Length
- 107 mm
- Colors
- Nickel (KM 183), black (KM 183 mt)
In the box
- KM 183 / KM 183 mt
- Microphone, WNS 100 windscreen, SG 21 bk stand mount swivel
- Stereo sets
- 2 x microphone, 2 x WNS 100 windscreen, 2 x SG 21 bk stand mount swivel