Schoeps CCM 2XS

Omnidirectional Compact Microphone Capsule

Description

The CCM 2XS (formerly CCM 3) is designed for placement in a diffuse sound field, i.e. at distances in reverberant environments where the greater portion of arriving sound has already been reflected from various room surfaces. In such placement the integrated frequency response of this capsule is essentially flat; the on-axis high-frequency response elevation shown in the graph below is not heard as such. It is remarkable how well-focused a recording can be made with omnidirectional microphones at such distances when the microphones have been designed and placed appropriately.

But when sound arrives from nearby sources in front of the capsule, high frequencies are distinctly accented, leading to a sound image with special brilliance. If this type of microphone is used close to the sound source, the emphasis of high frequencies for on-axis sound incidence would become clearly audible, producing an overly brilliant sonic impression.

Since most recording today is miked more closely than in decades past, microphones such as the CCM 2S or CCM 2H are a reasonable norm for the majority of spaced-omni and “Decca Tree” applications. But if miking distances more typical of the mono and early stereo era are to be used, a capsule such as the CCM 2XS, with its full diffuse-field equalization, may well offer the optimal balance of focus, depth, and spaciousness – and the KA 40 accessory spheres can then add a further measure of presence to the sound at such distances if desired. The CCM 2XS is also often used as an ambient room microphone.

PROPERTIES

  • omnidirectional pattern
  • diffuse-field equalized 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 stereophony and in Decca Tree arrangements

TECHNICAL SPECIFICATIONS

Frequency rangesee the corresponding capsule
Sensitivitysee the corresponding capsule
Maximum sound pressure level (THD < 0.5 %)138 dB-SPL (P48)
130 dB-SPL (P12)
Maximum output voltage2,6 V (8,3 dbV) with 2 kΩ load
Low cut filter20 Hz, 12 dB/Okt.
Output impedance90 Ω @ 1 kHz
Maximum cable length> 400 m
SCHOEPS RFI ShieldNo
Powering standard / Valid rangeP48 / > 40 V
P12 / > 10 V
Current consumption4 mA (P48)
3,6 mA (P12)
Common mode rejection ratio (at 1 kHz)> 55 dB
Minimum recommended load impedance2 kΩ
OutputLemo (CCM-L) or XLR-3M (CCM-U),
analog, 1 channel
Length46 mm (CCM-L)
Diameter20 mm
Weight33 g (CCM-L)
Surface finishmatte gray (g)
or custom color

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