
A parabolic dish is an extraordinary tool in the hands of a skilled sound engineer, since it achieves a surprisingly high directivity at high and medium frequencies with relatively simple means. With the Schoeps Parabolic Dish Set consisting of a special OEM parabolic dish from Telinga and a Schoeps CCM microphone, these characteristics can fully be realized. In addition SCHOEPS achieved significant improvements with regards to the usual disadvantages of a parabolic dish system by several innovative measures.
The enormous directivity of a parabolic dish often comes with a very unbalanced frequency response, which also varies widely for different directions of sound incidence. This usually leads to a clear coloration. To overcome that, the SCHOEPS Parabolic Dish Set is a matched system. The microphone position is designed to produce a smooth frequency response (unusual for a parabolic system) for the three recommended CCM microphone types. Although the frequency response is now smooth, it is not yet even, so must still be equalized. This is automatically achieved with Schoeps' plug-in ParabolEQ. The plug-in performs filtering based on the entered application parameters, producing a flat frequency response between 100 Hz and 20 kHz. The correction curve is visualized accordingly.
CCM 4The CCM 4 is Schoeps' bestselling compact microphone in the CCM series because it combines the highest sound quality with optimal backward attenuation. The basis for this is their flat frequency response and a directivity, which remains the same at all frequencies. Thus, this type of microphone has a similar constant frequency response in the diffuse sound field with a slight increase at 10 kHz. The sound image is therefore discoloration-free in the room, both in direct as well as on the side as well as for diffuse sound (reverberation).
The CCM 4 has been optimized for insensitivity to rear-end sound. As is typical for the classical cardioid, the attenuation for side incidence below 90? is 6 dB, for incidence from the rear 20 to 30 dB. Diffuse incident sound is attenuated by 4.8 dB less than the front impact, a value equal to the convergence. The larger this is, the less "space" a microphone transmits and the lower its susceptibility to acoustic feedback.
Due to their directivity, the CCM 4 can be positioned about 1.7 times as far away from the sound source with the same balance as a pressure receiver with the same sensitivity.
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