Schoeps Cmc641cni Set

The Schoeps CMC641Cni Set is a complete microphone set that includes the CMC 6U amplifier, MK 21 Wide Cardioid capsule, SG 20 stand clamp, ad the B 5 popscreen.
CMC 6 U
The capsules of condenser microphones (the only type which SCHOEPS manufactures) can't be connected directly to microphone cables or inputs; a microphone amplifier is required in between. Thus a complete microphone of the Colette series comprises any of the twenty available types of capsules combined with an amplifier.

The CMC 6 Ug is designed for standard 48- and 12-Volt phantom powering. Its circuitry recognizes the supply voltage and adjusts itself automatically. Its performance characteristics remain essentially the same either way; mainly, the difference is that the current drawn at 12 Volts is greater than at 48 Volts. However, the 12-Volt mode consumes less power and might be preferred for battery-powered recording.

The microphone amplifier provides the electrostatic charge which the capsule requires in order to produce a signal. Since only a minuscule amount of current is contained in this signal, amplification of the current is required. To avoid interference to the signal on the way from the microphone to the input of the mixer or preamp, the signal is conveyed at low impedance and in balanced form. The CMC 6 Ug amplifier offers a symmetrical, transformerless, direct-coupled Class A output stage with low impedance, low distortion, and high freedom from interference.

• Flat frequency response
• Extremely low noise and distortion
• Balanced, very low-impedance output
• Can be used with very long cables
• Well-protected against RFI
• For use with 12- or 48-Volt phantom powering

MK 41
The MK 41 is strongly directional. Sound arriving from off axis is attenuated even more than with a cardioid. The pickup is “drier” and less susceptible to acoustic feedback than any other SCHOEPS capsule type (a loudspeaker should not be located directly along the rear axis of the microphone, however).

• Supercardioid with highly consistent directionality throughout its frequency range
• For music and speech
• High directivity, comparable to that of a short “shotgun“ microphone up through midrange frequencies
• Often preferred for use in film sound recording and as a spot microphone in orchestras

Cut 1
The CUT 1 is inserted between the capsule and the microphone amplifier. The CUT filter performs two tasks:

First, it prevents the effect of infrasonic disturbances from being passed on to any succeeding device. In particular, pressure-gradient transducers (directional microphones) produce very high infrasonic signal levels when exposed to wind. These can saturate an input transformer or an amplifier stage even before the audible portion of the disturbance becomes noticeable. To avoid this, a very sharp (24 dB/oct) infrasonic filter is permanently engaged. It has only a negligible effect on speech, which is the principal field of application for the CUT 1 (cutoff frequency = 60 Hz). The CUT 2's infrasonic filter is an octave lower (i.e. 30 Hz), and has no audible effect on speech pickup whatsoever.

The second task is to offset proximity effect and/or to improve speech intelligibility in reverberant rooms by means of an additional 6 dB/oct rolloff. By turning a recessed thumbwheel the user can vary the frequency at which this begins to have an effect, and thus tailor the low-frequency response as required. Its turnover frequency can be continuously varied between 35 Hz (CUT 2) or 70 Hz (CUT 1) and 600 Hz.

• Can be screwed onto the CMC microphone amplifiers
• Very effective suppression of low-frequency and infrasonic effects of wind and vibration: 24 dB/oct below 60 Hz (CUT 1) or below 30 Hz (CUT 2)
• User-adjustable variable rolloff
• Offsets proximity effect

Please note: Stock photo used. Actual item color not as pictured.
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