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Clockaudio ARM 102-RF


Digital Motorised Retracta back electret Condenser Microphone.

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Digital Motorised Retracta back electret Condenser Microphone.

  • Motorised Low Profile Through Table Boundary Layer Microphone.
  • Cardioid Polar Pattern.
  • Patent pending No. 1109720.1
  • Finish: Black Nextel® or Satin Nickel.
  • Also available in Nextel Suede Coating finishes (Custom Orders Only)

Application Designed for superior quality voice reproduction in venues such as boardrooms,conferencing,court rooms and other such venues.
Type Condenser (back electret)
Polar Pattern Cardioid
Frequency Response 50Hz - 18 KHz
Sensitivity -37.5dB +/- 3dB @ 1 KHz (0dB = 1 V/Pa)
Impedance 200 Ohms
S/N Ratio 68dB(A)
Maximum Sound Pressure Level 120db at 1KHz 1% T.H.D.
Power Requirements 9 - 48 volts phantom power
Termination Audio: Open ended. Motor. RJ45.
Wiring connections Black 2 core + screen Red Conductor Phase + White Conductor Phase - Screen Ground Grey 2 core + screen/shield used for identification switch no polarity or power required screen not used.
Finish Black Nextel® or Satin Nickel.
Dimensions Length retracted: 180mm (7.1”) Extended Length: 198mm (7.8”) Diametre: 30mm (1.18").
Weight 49gms.
Architects and engineer specifications The Microphone is a low profile boundry layer through table design with a Cardioid polar pattern. The Microphone is motor driven and has the ability to automatically retract leaving only 3mm (0.12") protruding above the surface. The integral motor requires the control module ARM-C to operate. A control signal (+2.5V - 12V) from a DSP or Electronuc Switch are required to activate the RETRACTA. The microphone is engineered in high quality brass for long life and smooth running. The Microphone has an integral electronic module which requires a 9 - 48 volt Phantom Power supply. The module is fitted with filters which will eliminate all GSM frequencies from 8000 - 1200MHz, Impedance 200Ohms, Frequency Response 50Hz - 18KHz, Sensitivity -37.5 ± 3dB @ 1Kz (0dB = 1V/Pa), MSP 120dB THD is no greater then 1%. The Microphone connections: Audio is a 2 metre (6.6ft) open ended 2 core and screen cable. Motor control is a 2 metre (6.6ft) Cat 5 cable fitted with an RJ45. Finish: Black Nextel® or Satin Nickel.