Schoeps CCM 4A LG Compact Cardoid Microphone for Close Pickup

Schoeps CCM 4A LG Compact Cardoid Microphone for Close Pickup

Schoeps CCM 4A LG Compact Cardoid Microphone for Close Pickup

B&H # SCCCM4ALG MFR # CCM 4 A LG
Schoeps CCM 4A LG Compact Cardoid Microphone for Close Pickup

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Expected availability: 4-6 weeks

Product Highlights

  • -10 dB Reduced Sensitivity
  • LF Roll-Off
  • For Close Speech Under 3.9" (10cm)

This item is noncancelable and nonreturnable

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Schoeps CCM 4A LG overview

  • 1Description

The Schoeps CCM 4A LG Compact Cardoid Microphone for Close Pickup offers a strong low-frequency roll-off and 10 dB low sensitivity. This microphone is recommended for use exclusively in situations of very close pickup and high sound pressure levels. At greater distances, it would only deliver a low output level, resulting in an effective reduction in signal-to-noise ratio.

This compact microphone consists of 2 main components, an acoustic transducer (a capsule) and a microphone amplifier, which come together in the same body. The capsule is the component which converts sound waves into a varying electrical voltage. It determines the directionality and, for the most part, the sound quality of the microphone. The amplifier is the other main component, with the circuitry required to accept external powering, polarizes (charges) the capacitive capsule, obtains the audio signal from it, and converts that signal into one which is balanced and low-impedance. The circuitry of the microphone features a balanced, class-A output stage which does not use either coupling condensers or an output transformer. This leads to low output impedance, insensitivity to electrical interference, low distortion, and light weight.

This microphone has a bass roll-off filter with a low cut-off frequency of 20 Hz and a slope of 12 dB/oct. This frequency has been chosen to protect against perturbing, inaudible (infra-) sound that can be caused by ventilation systems, track vehicles, and wind. Although it is hardly noticeable, infrasound can cause strong audible distortions in the connected equipment when it leads to an overload. This would make it impossible to produce a recording that could be used. The audio range also only starts at around 20 Hz. Lower frequencies are only actually discernible at high levels which are only reproducible on few audio systems, and then quickly become unpleasant.

The CCM 4 A LG microphone is an electrically active component requiring operating current. It uses a standardized powering scheme known as phantom powering. Most recording equipment offers a 48V supply for such microphones. Some equipment, however, provides a 12V supply for phantom powering, or can readily be modified for such a supply. The CCM compact microphone can work with either voltage, switching its circuitry automatically to the corresponding mode of operation. It maintains the same level of performance in either mode while drawing only the necessary amount of current from the phantom supply.

 

Cardioid pattern
For pickup of speech or music at close range (under 3.9" (10cm))
Reduced sensitivity
Considerable attenuation of low frequencies
True condensers that do not require electronic frequency response correction
Balanced, low-impedance output via removable 16.4' (5m) cable with Lemo to XLR-3M connectors
For universal use
Small and light
The Lemo disconnect allows for use of special accessories, some similar to active components of the Colette Series
Flat frequency response
Sound is extensively independent of directional pattern
Low noise and distortion
Runs on both 48 and 12V phantom powering
Can be used with very long cables (over 328' (100m))
Matte gray non-reflective surface finish
In the Box
Schoeps CCM 4A LG Compact Cardoid Microphone for Close Pickup
  • K 5 LU Cable for CCM Microphones
  • SGC Swivel Miniature Stand Mount
  • Limited 2-Year Warranty
  • Table of Contents
    • 1Description

    Schoeps CCM 4A LG specs

    Current Consumption With 12 V: 8 mA
    With 48 V: 4 mA
    Impedance 90 Ω
    Load Impedance Minimum recommended: 600 Ω
    Frequency Low-cut: 20 Hz
    Frequency Range 80 Hz to 20 kHz
    Sensitivity 13 mV/Pa
    Equivalent Noise Level A-weighted: 14 dB-A
    CCIR: 24 dB
    Signal-to-Noise Ratio A-weighted: 80 dB-A
    Maximum SPL 132 dB-SPL
    Surface Finish Matte gray
    Length Without Connector: 1.8 to 2.2" (46.0 to 58.0 mm)
    Diameter 0.7" (20.0 mm)
    Weight 1.5 oz (43.0 g)

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