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The modular KM A / KM D 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) or digital (KM D) output stage in accordance. 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 KM D digital output stage converts the signal from the capsule directly into a digital signal. The result is an AES/EBU signal with 24 bits and a large dynamic range. The integrated digital signal processor (DSP) permits remote control of the microphones, including the digital gain, pre-attenuation (6 dB, 12 dB or 18 dB) and low-cut filter (0 Hz, 40 Hz, 80 Hz or 160 Hz). An integrated peak limiter and compressor/limiter with additional de-esser function prevents any overloading of the audio signal. 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 and KM D 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, KM 183 D, etc
Tehničke specifikacije proizvoda
- Acoustic operating principle Pressure transducer
- Directional pattern omni diffuse-field equalized
- Frequency range 20 Hz...20 kHz
- Sensitivity1) 12 mV/Pa
- Rated impedance 50 ohms
- Rated load impedance 1000 ohms
- Equivalent noise level, CCIR3) 24 dB
- Equivalent noise level, A-weighted3) 13 dB-A
- Signal-to-noise ratio2) CCIR3) 69 dB
- Signal-to-noise ratio2) A-weighted3) 81 dB
- Max SPL (THD<0.5%) 140 dB
- Max SPL (THD<0.5%) with preattenuation 150 dB
- Supply voltage (P48, IEC 61938) 48 V
- Current consumption (P48, IEC 61938) max. 3.5 mA
- Matching connector XLR 3 M
- Weight output stage 70 g
- Weight capsule 11 g
- Diameter 22 mm
- Length 108 mm