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The CMC 1 is our new, small Colette microphone amplifier, about one-third the length and 53% lighter than the CMC 6. It is compatible with all components of the Colette system and can be used in place of the CMC 6 without compromise, for all applications in which the size and weight of the microphone play a role.
At SCHOEPS, “uncompromising miniaturisation” means that the electrical characteristics of the CMC 1 are equal to, or even better than, those of the CMC 6. Through modern electronic design, these outstanding electrical properties have been achieved:
- High maximum SPL: 135 dB-SPL with the MK 4 (0.5% THD or less)
- Very low current consumption: 2.0 mA at 48 Volts
- Operates on 48 V or 12 V phantom power, reliable operation even if powering is somewhat marginal
- Very high immunity from RF interference with the SCHOEPS RFI Shield; high immunity to cable-induced hum & other interference (field tested with Audio Limited A 10.)
- Flat frequency response
- Very low distortion
- Constant output impedance across the audio frequency range
- Balanced, direct-coupled, class-A output circuit
- Output is filtered in the ultrasonic range to prevent interference, e.g. from camera autofocus
- A complete Colette-series microphone consists of an MK capsule and a CMC amplifier. All capsules and active accessories of the Colette system are compatible with the CMC 1.
- The CMC 1 works with standard 12-Volt or 48-Volt phantom powering. Power consumption is lower at 12 Volts--an advantage for battery-powered operation
Features
- Variant of the CMC 1 U with miniature Lemo output connector
- K 5 LU (5 m cable with XLR-3M plug) and SGC stand adapter are included
- Fully equal alternative to the well-known CMC 6
- Compatible with all available MK capsules and active Colette accessories, e.g. CUT 60 or RC
- Compatible with all accessories of the CCM series, e.g. TR L oder STA
- Recommended accessories for boom use are the same as for CCM microphones, e.g. MINIX CCM LU or Rycote INV-5.
Practice
The optimised RF protection of the CMC 1 makes it the ideal microphone for use with transmitters such as the Audio Limited A 10. The use of the CMC 1 U and CMC 1 L versions on the A 10 has been successfully tested.
Find info on the pin assignement of the adapter cable between the two devices here.
Specifications
Frequency range - 20 Hz-20 kHz
Sensitivity - see corresponding capsule
Maximum output voltage - 1,8 V (5 dbV) with 1kΩ load
Maximum sound pressure level (THD < 0.5 %)
- 135 dB-SPL (P48) with MK 4
- 131 dB-SPL (P12) with MK 4
Low cut filter - 20 Hz, 12dB/oct
Output impedance - 50 Ω +/- 1 Ω (8 Hz - 50 kHz)
Minimum recommended load impedance - 1 kΩ
Common mode rejection ratio (at 1 kHz) - > 55 dB
Maximum cable length - > 400 m / ~1300 ft
SCHOEPS RFI Shield - Yes
Powering standard / Valid range - P48 / 30-52 V
- P12 / 11-13 V
Current consumption - 2mA (P48)
- 3 mA (P12)
Output - Lemo, analog, 1 channel
- Length - 25.5 mm / ~1 ''
- Diameter - 20 mm / 0.8''
- Weight - 28 g / ~1 oz
Surface finish - Matte grey
- Custom colour: nickel, chromagreen