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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
- Complete alternative to the renowned CMC 6
- Fully compatible with all existing MK capsules and Colette active accessories such as the CUT 60 and RC tubes
- Suitable mounting accessories are already available, such as the CINELA E-OSIX-CMC1U and the Rycote INV-6 elastic suspensions.
Practice
Alignment of vertical capsules with the CMC 1/6:
The CMC 1 U can be used in many suspensions (e.g. OSIX) that have a rigid orientation of the XLR connector and thus the amplifier. Also in the compatible MS and dual MS setups (for example, Cyclone), the alignment is fixed. As a result, the microphone cannot be rotated arbitrarily in such a suspension. For axially aligned capsules like the MK 4 this is not important, but a vertical capsule like the MK 8 has to be aligned radially.
In such cases, this accessory helps:
No. 800540: O-ring for radial alignment of a MK capsule. This O-ring is placed on the thread of the amplifier and makes the MK capsule permanently stable in any orientation. The O-ring is included with the MK 8 and all other vertical capsules (MK 4V, 41V) and can also be ordered separately.
Specifications
Frequency range - 20 Hz-20 kHz
Sensitivity - see corresponding capsule
Maximum output voltage - 1,8 V (5 dbV) with 1 kΩ 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, 12 dB/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 - 2 mA (P48)
- 3 mA (P12)
Output - XLR-3M, analog, 1 channel
- Length - 36 mm / ~1.4"
- Diameter - 20 mm / 0.8"
- Weight - 36 g / 1.3 oz
Surface finish - Matte grey
- Custom colour: nickel, chromagreen
Variants & Options
The CMC 1 is available in three variants:
- CMC 1 U: XLR-3M output connector
- CMC 1 L: Lemo output connector
- CMC 1 K: permanently attached cable; standard version, 5 m with XLR-3M output plug. Other connectors or unterminated cable will be available on special order.
- No. 191102 custom colour: nickel, chromagreen, other custom colours on request
- No. 191201 custom engraving