CCRM 4000-RF Plenum

Plenum rated motorized ceiling microphone

Available in North America only
Temporarily Unavailable

Polar Pattern Frequency Response

Main Unit
CCRM4000W-M-RF-P (White)
The CCRM4000-M-RF-P is supplied complete with (1) Ceiling mounted IR sensor, (1) Remote Control, (1) C3 Cardioid Microphone with knuckle joint and magnet, (1) Ceiling bezel with Locking ring and jockey wheel, (1) 18VDC Power supply unit, (1) modified Chief CMS491 Plenum rated storage box and Safety cable.

Secondary Unit
CCRM4000W-SL-RF-P (White)
The CCRM4000-SL-RF-P is supplied complete with (1) C3 Cardioid Microphone with knuckle joint and magnet, (1) Ceiling bezel with Locking ring and jockey wheel, (1) modified Chief CMS491 Plenum rated storage box and Safety cable.

Please note the only difference between the Main and Secondary unit is that the Main is supplied with the IR remote, IR sensor and PS-018. The Secondary does not.

PS-018
When using more than 4 units in daisy chain, an additional PS-018 will be required.

i.e. An installation using 9 units in total (1 Main and 8 Secondaries) would require 2 additional PS-018.
Ceiling mounted retractable back electret condenser microphone designed for suspended ceiling applications.
  • Control ports allow DSP connection and Link / daisy chain expansion to other CCRM4000-RF Retracta units.
  • Logic Hi / Lo for DSP mute detection port.
  • Main & Secondary units are Identical in construction. Two rotary 0-9 digital decimal encoders are used to set Main (00) and 01 – 99 determines Secondary designation. The factory default is set to Main (00).
  • XLR socket allows easy and fast connection of the audio to mixer or DSP. A 9-48 Volt phantom power is required.
  • IR remote control is supplied with the Main unit. Remote control can be used to activate the units in the absence of a DSP.
  • IR receiver sensor with integral green programme mode led and red range led (supplied with Main unit).
  • Audio cable length 2.5 Metres.
  • Supplied with 350 degree rotation, 40 degree knuckle joint angle microphone with cardioid polar pattern.
  • Up to 99 Secondary units can be daisy chained to the Main .
  • Ceiling bezel fitted with detection switch.
  • Universal mains switched mode power supply available as separate item. Operates up to 4 units.
  • Automatic safety detection for cable hang-ups. The CCRM4000-RF is mounted inside a modified Chief CMS491 Plenum rated storage box.
  • Also available in Nextel Suede Coating finishes (Custom Orders Only)

For 'Glossary of Terms' Click Here

Technical
Cable length 2.5 Metres (8.20ft)
Application Designed for use in boardrooms, conferencing and a wide variety of applications.
Type Condenser (back electret)
Polar Pattern Cardioid
Frequency Response 50Hz – 18KHz
Sensitivity -40dB +/- 3dB @ 1KHz (0dB 1v/Pa)
Impedance 200 Ohms
S/N Ratio 64dB (A)
Maximum Sound Pressure Level 125dB @ 1KHz 1%THD
Power Requirements for microphone 9 - 48 volts phantom power
Power requirements for CCRM4000-RF unit 18VDC 0.5A
Termination C3SW Knuckle Joint microphone pre wired in CCRM4000-RF unit
Supplied Accessories W2 Windshield included
Finish CCRM4000 motor (Satin Black), C3SW Knuckle Joint microphone and cable (White)
Weight 16Kg (35lbs)
Architects and engineer specifications Plenum rated ceiling mounted retractable back electret condenser microphone designed for suspended Plenum ceiling applications. 2.5 Metres (8.20 ft) cable with pre-wired C3SW microphone, and built in Phantom Power Adaptor. Also includes modified Chief CMS491 Plenum rated storage box. The microphone has a knuckle which allows for easy vertical adjustment. Engineered in high quality brass. The microphone requires phantom power supply 9-48 Volts. Frequency response 50 – 18 KHz, impedance 1.8 K Ohms, Max spl 125dB less than 1% THD, sensitivity-40dB +/- 3dB @ 1 KHz (0dB = 1 V/Pa) Finish: White.