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Technical data KM A +
| KK 131 | KK 133 | KK 183 | |
| Acoustic operating principle | Pressure transducer | Pressure transducer | Pressure transducer |
| Directional pattern | omni free-field equalized | omni diffuse-field equalized | omni diffuse-field equalized |
| Frequency range | 20 Hz...20 kHz | 20 Hz...20 kHz | 20 Hz...20 kHz |
| Sensitivity1) | 12 mV/Pa | 15 mV/Pa | 12 mV/Pa |
| Rated impedance | 50 ohms | 50 ohms | 50 ohms |
| Rated load impedance | 1000 ohms | 1000 ohms | 1000 ohms |
| Equivalent noise level, CCIR3) | 24 dB | 28 dB | 24 dB |
| Equivalent noise level, A-weighted3) | 13 dB-A | 15 dB-A | 13 dB-A |
| Signal-to-noise ratio2) CCIR3) | 70 dB | 66 dB | 69 dB |
| Signal-to-noise ratio2) A-weighted3) | 81 dB | 79 dB | 81 dB |
| Max SPL (THD<0.5%) | 140 dB | 138 dB | 140 dB |
| Max SPL (THD<0.5%) with preattenuation | 150 dB | 148 dB | 150 dB |
| Supply voltage (P48, IEC 61938) | 48 V | 48 V | 48 V |
| Current consumption (P48, IEC 61938) | max. 3.5 mA | max. 3.5 mA | max. 3.5 mA |
| Matching connector | XLR 3 M | XLR 3 M | XLR 3 M |
| Weight output stage | 70 g | 70 g | 70 g |
| Weight capsule | 11 g | 49 g | 11 g |
| Diameter | 22 mm | 22 mm | 22 mm |
| Length | 108 mm | 128 mm | 108 mm |
| KK 143 | KK 184 | KK 145 | |
| Acoustic operating principle | Pressure gradient transducer | Pressure gradient transducer | Pressure gradient transducer |
| Directional pattern | Cardioid wide | Cardioid | cardioid low frequ. roll-off |
| Frequency range | 20 Hz...20 kHz | 20 Hz...20 kHz | 20 Hz...20 kHz |
| Sensitivity1) | 15 mV/Pa | 15 mV/Pa | 14 mV/Pa |
| Rated impedance | 50 ohms | 50 ohms | 50 ohms |
| Rated load impedance | 1000 ohms | 1000 ohms | 1000 ohms |
| Equivalent noise level, CCIR3) | 22 dB | 22 dB | 22 dB |
| Equivalent noise level, A-weighted3) | 13 dB-A | 13 dB-A | 14 dB-A |
| Signal-to-noise ratio2) CCIR3) | 70 dB | 70 dB | 70 dB |
| Signal-to-noise ratio2) A-weighted3) | 81 dB | 81 dB | 80 dB |
| Max SPL (THD<0.5%) | 138 dB | 138 dB | 138 dB |
| Max SPL (THD<0.5%) with preattenuation | 148 dB | 148 dB | 148 dB |
| Supply voltage (P48, IEC 61938) | 48 V | 48 V | 48 V |
| Current consumption (P48, IEC 61938) | max. 3.5 mA | max. 3.5 mA | max. 3.5 mA |
| Matching connector | XLR 3 M | XLR 3 M | XLR 3 M |
| Weight output stage | 70 g | 70 g | 70 g |
| Weight capsule | 15 g | 15 g | 15 g |
| Diameter | 22 mm | 22 mm | 22 mm |
| Length | 108 mm | 188 mm | 108 mm |
| KK 185 | KK 120 | |
| Acoustic operating principle | Pressure gradient transducer | Pressure gradient transducer |
| Directional pattern | Hypercardioid | Figure-8, side-fire |
| Frequency range | 20 Hz...20 kHz | 20 Hz...20 kHz |
| Sensitivity1) | 10 mV/Pa | 12 mV/Pa |
| Rated impedance | 50 ohms | 50 ohms |
| Rated load impedance | 1000 ohms | 1000 ohms |
| Equivalent noise level, CCIR3) | 24 dB | 25 dB |
| Equivalent noise level, A-weighted3) | 15 dB-A | 15 dB-A |
| Signal-to-noise ratio2) CCIR3) | 69 dB | 69 dB |
| Signal-to-noise ratio2) A-weighted3) | 78 dB | 79 dB |
| Max SPL (THD<0.5%) | 142 dB | 140 dB |
| Max SPL (THD<0.5%) with preattenuation | 152 dB | 150 dB |
| Supply voltage (P48, IEC 61938) | 48 V | 48 V |
| Current consumption (P48, IEC 61938) | max. 3.5 mA | max. 3.5 mA |
| Matching connector | XLR 3 M | XLR 3 M |
| Weight output stage | 70 g | 70 g |
| Weight capsule | 19 g | 37 g |
| Diameter | 22 mm | 24 mm |
| Length | 108 mm | 130 mm |
NEUM8A9013
Nouveau
Neumann - KM A
The Neumann KM A Miniature Microphone System
The modular KM A miniature microphone system is a further development of the successful KM 100 series. The newly developed passive capsule design is available with 8 different directional characteristics, and can be combined modularly as desired with an analog (KM A) output stage in accordance with the AES 42 standard. The new, considerably smaller microphone capsules and an extensive program of accessories permit excellent adaptation of the microphone system to a wide range of applications.
Through the use of the most up-to-date electronic components the system offers many electroacoustic and operational advantages, such as lower self-noise, a wider dynamic range and very high immunity to electromagnetic interference. The acoustics of the capsules were taken from the proven KM 100 system.
Overview of Microphone Capsules
- KK 120: Figure-8
- KK 131: Omni (free-field equalized pressure transducer)
- KK 133: Omni (diffuse-field equalized pressure transducer/capsule including titanium diaphragm with exceptional acoustic properties)
- KK 183: Omni (diffuse-field equalized pressure transducer)
- KK 143: Wide-angle cardioid
- KK 145: Cardioid with acoustic bass roll-off in free field
- KK 184: Cardioid
- KK 185: Hypercardioid
KM A Output Stage
The KM A analog output stage with P48 phantom power has a switch for pre-attenuation of 10 dB. The microphones can thus handle levels of up to 152 dB (depending on the capsule type).
The dimensions (diameter 22 mm, length 93 mm) of the analog and digital output stages are identical. As a result, all accessories can be used in combination with both output stages. Upon request, a mechanical adapter can be supplied to adapt microphone capsules of the KM 100 system (AK series) to the KM A output stages.
The modular solution permits the microphone capsule to be separated from the output stage by a distance of up to 100 m. The LC 4 microphone cable with a length of 5 or 10 meters is available as a standard solution. Alternatively, capsule extensions of different lengths, swivel joints and stand mounts, etc., can be used for a flexible system setup.
The capsule heads KK 183, KK 184 or KK 185, together with the appropriate output stage, are also available as a set, in which case they are referred to as KM 183 A, etc.
Features And Specs
Technical data KM A +
| KK 131 | KK 133 | KK 183 | |
| Acoustic operating principle | Pressure transducer | Pressure transducer | Pressure transducer |
| Directional pattern | omni free-field equalized | omni diffuse-field equalized | omni diffuse-field equalized |
| Frequency range | 20 Hz...20 kHz | 20 Hz...20 kHz | 20 Hz...20 kHz |
| Sensitivity1) | 12 mV/Pa | 15 mV/Pa | 12 mV/Pa |
| Rated impedance | 50 ohms | 50 ohms | 50 ohms |
| Rated load impedance | 1000 ohms | 1000 ohms | 1000 ohms |
| Equivalent noise level, CCIR3) | 24 dB | 28 dB | 24 dB |
| Equivalent noise level, A-weighted3) | 13 dB-A | 15 dB-A | 13 dB-A |
| Signal-to-noise ratio2) CCIR3) | 70 dB | 66 dB | 69 dB |
| Signal-to-noise ratio2) A-weighted3) | 81 dB | 79 dB | 81 dB |
| Max SPL (THD<0.5%) | 140 dB | 138 dB | 140 dB |
| Max SPL (THD<0.5%) with preattenuation | 150 dB | 148 dB | 150 dB |
| Supply voltage (P48, IEC 61938) | 48 V | 48 V | 48 V |
| Current consumption (P48, IEC 61938) | max. 3.5 mA | max. 3.5 mA | max. 3.5 mA |
| Matching connector | XLR 3 M | XLR 3 M | XLR 3 M |
| Weight output stage | 70 g | 70 g | 70 g |
| Weight capsule | 11 g | 49 g | 11 g |
| Diameter | 22 mm | 22 mm | 22 mm |
| Length | 108 mm | 128 mm | 108 mm |
| KK 143 | KK 184 | KK 145 | |
| Acoustic operating principle | Pressure gradient transducer | Pressure gradient transducer | Pressure gradient transducer |
| Directional pattern | Cardioid wide | Cardioid | cardioid low frequ. roll-off |
| Frequency range | 20 Hz...20 kHz | 20 Hz...20 kHz | 20 Hz...20 kHz |
| Sensitivity1) | 15 mV/Pa | 15 mV/Pa | 14 mV/Pa |
| Rated impedance | 50 ohms | 50 ohms | 50 ohms |
| Rated load impedance | 1000 ohms | 1000 ohms | 1000 ohms |
| Equivalent noise level, CCIR3) | 22 dB | 22 dB | 22 dB |
| Equivalent noise level, A-weighted3) | 13 dB-A | 13 dB-A | 14 dB-A |
| Signal-to-noise ratio2) CCIR3) | 70 dB | 70 dB | 70 dB |
| Signal-to-noise ratio2) A-weighted3) | 81 dB | 81 dB | 80 dB |
| Max SPL (THD<0.5%) | 138 dB | 138 dB | 138 dB |
| Max SPL (THD<0.5%) with preattenuation | 148 dB | 148 dB | 148 dB |
| Supply voltage (P48, IEC 61938) | 48 V | 48 V | 48 V |
| Current consumption (P48, IEC 61938) | max. 3.5 mA | max. 3.5 mA | max. 3.5 mA |
| Matching connector | XLR 3 M | XLR 3 M | XLR 3 M |
| Weight output stage | 70 g | 70 g | 70 g |
| Weight capsule | 15 g | 15 g | 15 g |
| Diameter | 22 mm | 22 mm | 22 mm |
| Length | 108 mm | 188 mm | 108 mm |
| KK 185 | KK 120 | |
| Acoustic operating principle | Pressure gradient transducer | Pressure gradient transducer |
| Directional pattern | Hypercardioid | Figure-8, side-fire |
| Frequency range | 20 Hz...20 kHz | 20 Hz...20 kHz |
| Sensitivity1) | 10 mV/Pa | 12 mV/Pa |
| Rated impedance | 50 ohms | 50 ohms |
| Rated load impedance | 1000 ohms | 1000 ohms |
| Equivalent noise level, CCIR3) | 24 dB | 25 dB |
| Equivalent noise level, A-weighted3) | 15 dB-A | 15 dB-A |
| Signal-to-noise ratio2) CCIR3) | 69 dB | 69 dB |
| Signal-to-noise ratio2) A-weighted3) | 78 dB | 79 dB |
| Max SPL (THD<0.5%) | 142 dB | 140 dB |
| Max SPL (THD<0.5%) with preattenuation | 152 dB | 150 dB |
| Supply voltage (P48, IEC 61938) | 48 V | 48 V |
| Current consumption (P48, IEC 61938) | max. 3.5 mA | max. 3.5 mA |
| Matching connector | XLR 3 M | XLR 3 M |
| Weight output stage | 70 g | 70 g |
| Weight capsule | 19 g | 37 g |
| Diameter | 22 mm | 24 mm |
| Length | 108 mm | 130 mm |
