Schoeps Mikrofone
CMC64 Set
Schoeps MK 4 Cardioid Capsule
The MK 4 is Schoeps' best-selling capsule. It offers the highest sound quality, flat frequency response, optimal rejection of rear-incident sound, and a directional pattern that remains constant throughout the audio frequency range. In the diffuse sound field it shows only a mild rise around 10 kHz; the sonic impression thus remains free of coloration even when sound is arriving from all sides at once. The sonic impression is thus free of coloration whether sound is arriving at the front or at the sides of the microphone, as well as for diffuse sound (reverberation) in a room.
For those who dare to use their ears rather than just their eyes when choosing a vocal microphone, a Colette microphone using the MK 4 capsule can be a remarkable instrument.
Features
Classic cardioid
Suitable for the widest range of applications, either as a spot microphone or for stereo recording with coincident, ORTF or M/S microphone arrangements
With consistent directionality throughout its frequency range
Often preferred for singing or speaking voices and most instruments
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 Schoeps CMC 6 Amplifier 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.
Features
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
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 amplifier offers a symmetrical, transformerless, direct-coupled Class A output stage with low impedance, low distortion, and high freedom from interference.
Please note:
The two amplifiers in a stereo pair of microphones should be of the same type. On request, Schoeps can select "matched pairs" of capsules with equal sensitivity and frequency response for critical applications, at slight additional cost.
Schoeps Cut 1 Filter
The CUT 1 or CUT 2 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 30 Hz (CUT 2) or 70 Hz (CUT 1) and 600 Hz
Features
Can be screwed onto the CMC, CMD or M 222 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
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