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Schoeps CMC 6 U xt Microphone Amplifier — image 1

Schoeps Microphones

Schoeps CMC 6 U xt Microphone Amplifier

Component Microphone Amplifier with a slight boost above 40khz for additional air.

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From Schoeps Microphones

Overview

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 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 miniscule 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.

Please note:

The two amplifiers in a stereo pair of microphones should be of the same type.

Variant Amplifier Versions

Special versions of the CMC 6 Ug are available with different gain (amplification factor) or extended frequency range. The CMC 6 Ug can be specially ordered, or retrofitted at the factory, to have a different (e.g. lower) low-frequency limit from the standard version (see, for example, the ”linear” version listed below).

CMC 6 xt

CMC 6 xt – the 40 kHz version

This version is indicated by the letters ”xt” engraved on the microphone's output socket. It extends the frequency response of the axially addressed Colette capsules beyond 40 kHz.

On the pages of these capsules, the frequency response curves are shown with both, the standard CMC 6 Ug amplifier and the CMC 6 Ug xt.

Powering voltage: 12 / 48 V

Current consumption with 12 V: 8 mA

Current consumption with 48 V: 4 mA

Impedance (at 12 V): 25 Ω

Impedance (at 48 V): 35 Ω

Low-cut frequency: 20 Hz

Maximum output voltage: 1 V

Minimum recommended load impedance: 600 Ω

Length: 116 mm

Diameter: 20 mm

Weight: 60 g

Surface finish: matte gray (g) or nickel (ni)

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$1,206