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The MK 2XS (formerly MK3) is designed to be placed in a diffuse sound field, that is, at distances in reverberant environments where most of the incoming sound has already been reflected from various surfaces in the room. In such a placement, the integrated frequency response of this capsule is essentially flat; the rise in on-axis high-frequency response, shown in the graph below, is not perceived as such.
It is remarkable how well focused a recording can be with omnidirectional microphones at such distances, when the microphones have been designed and placed appropriately. If this type of microphone is used close to the sound source, the high frequency emphasis for on-axis sound incidence becomes clearly audible, producing an overly bright sound impression. Since most recordings today are done with closer mics than those of previous decades, capsules such as the MK 2S or MK 2H are a reasonable standard for the majority of omnidirectional and microphone applications. “Decca Tree.”
But if pickup distances more typical of the mono and early stereo eras are to be used, a capsule like the MK 2XS, with its full diffuse field equalization, may well provide an optimal balance between focus, depth and space - and the KA 40 accessory spheres can then add an extra measure of presence to the sound at such distances, if desired. The MK 2XS is also often used as a surround microphone.
Features:
- Directivity: Omnidirectional
- Frequency response: 20 Hz - 30 kHz with CMC 6 / CMR and 20 Hz - 44 kHz with CMC 6xt
- Sensitivity: -39 dB (V/Pa), 15 mV/Pa with CMC 6
- Equivalent noise (A-weighted): 13 dB with CMC 6
- Equivalent noise (CCIR): 25 dB with CMC 6
- Signal/noise ratio: 81 dB with CMC 6
- Max SPL (DHT<0.5%): 133 dB-SPL with CMC 6
- Length: 22mm
- Diameter: 20 mm
- Weight: 17g
- Color: Grey