Electret Condenser Ceiling Microphone

Model: CM-01

Group teleconferencing for:
Boardrooms
Classrooms/Training rooms
Focus groups/Observation rooms
Ideal for rooms with perimeter seating (no need to walk up to table to be heard)

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The CM-01 ceiling microphone utilizes a special pressure sensitive, tensionless low-mass element enhanced with an integrated FET low noise amplifier. These characteristics result in ultra smooth frequency response providing excellent feedback stability for voice reinforcement and teleconferencing applications. The high temperature stability assures exceptional system performance in fixed gain situations. The CM-01 ceiling microphone is designed as part of a proprietary system to be used with the CTG FS-02 or FS-03 teleconference interfaces.

Group teleconferencing for:
Boardrooms
Classrooms/Training rooms
Focus groups/Observation rooms
Ideal for rooms with perimeter seating (no need to walk up to table to be heard)
Allows furniture to be rearranged with no compromise to the audio system
Provides even pick up for the maximum number of participants with the minimum number of microphones
Provides clean clutter free environment - no visible cables
Virtually invisible - flush mounted in the ceiling, visible portion smaller than a dime
Minimizes unwanted table noise such as paper shuffling, pen clicking and laptop key strokes
Participants can turn their backs to the table, walk around and still be heard evenly

Microphone Connectivity - Wired
Microphone Type - Electret Condenser
Spec Sheet available - Yes

Phantom Voltage: 2–20 Volts DC
ACOUSTICAL MODE: Boundary Effect Pressure Transducer
Temperature Stability: +/- 0.02 dB per degree F maximum
Operating Current: 50 µA maximum
Impedance: 200 Ohms nominal, balanced
Output Level ref 1mW/10dynes/cm2: -57 dBm (-51 dBm when mounted)
Equivalent Noise level A weighted: 28 dB SPL (-22 dB SPL when mounted)
Equivalent Vibration Sensitivity: 70db (1 KHz SPL equivalent of 1G)
Recommended Room Conditions: Reverberation Time: < 0.6 seconds Noise Level: < 48dBa
Maximum Frequency Response (Bandwidth): 20 kHz
Maximum Frequency Response (Bandwidth): 20000 Hz
Minimum Frequency Response (Bandwidth): 10 Hz
Minimum Frequency Response (Bandwidth): 0.01 kHz
Impedance: 200 ohm
Sensitivity: 70 dB
DC Voltage: 50 Volts

TM-01 - Table Top Microphone

TM-02 - Table Implant Microphone

CM-01 Data Sheet.pdf 1112 kb - Data Sheet

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