Omnis

Omnidirectional microphones - if constructed as single-diaphragm transducers, as all our omnidirectional microphones and capsules are - can be considered optimal due to their excellent reproduction of low frequencies and extremely low noise (with SCHOEPS as low as 11 dB(A)). The various types differ in the extent of their high-frequency response elevation, which compensates for the high-frequency losses in the diffuse sound field. Thus we offer both “free field equalized” and “diffuse field equalized” transducers as well as two in-between types.

	Microphone capsule MK 2 omnidirectional pattern very flat frequency response corrected for a free sound field for use close to the sound source (frontal sound often preferred for relatively close miking of instruments, vocalists, etc.
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	Microphone capsule MK 2H omnidirectional pattern mild high-frequency rise to compensate for losses at medium recording distance often chosen for “spaced microphone” stereo pickup and “Decca Tree” arrangements
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	Microphone capsule MK 2S omnidirectional pattern slight high-frequency rise to compensate for losses at moderate recording distances for a very wide range of recording applications often preferred for “spaced microphone” stereo pickup and “Decca Tree” arrangements
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	Microphone capsule MK 3 omnidirectional pattern diffuse-field capsule for miking distances at which the predominant sound is no longer direct useful for relatively distant placement in reverberant environments – as a room microphone, for “spaced microphone” stereo pickup and in “Decca Tree” arrangements
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See also:Basic Characteristics of Pressure Transducers(document in the download section)