CRM 100-RF - Clockaudio
PROFESSIONAL MICROPHONE SYSTEMS
CRM 100-RF
The CRM 100-RF is a boundary layer through table Omni-directional condenser microphone, with a
built-in mechanism that will allow the user to make the microphone disappear without having to
physically remove it from the table. This is achieved by simply pressing the top of the microphone
downwards until it locks; then by pressing the microphone again it will raise itself back to its original
position above the surface of the table. Engineered in high quality brass with built in shock mount and
RF filter.
 Fitted with a magnetic reed switch designed
to prevent unwanted feedback from
retracted microphones on power up. The
switch contact is closed (ON) when the
microphones are in the raised position and
open (OFF) when retracted. This is not
designed to be used for privacy muting.
 Easy to install
 Low profile at surface level
 Unique ability to lock capsule away from
sight when not in use
 Robust brass construction
 Omni-directional polar pattern
 Built in RF filter
 Balanced output
 Supplied with 2m (6.6ft) 2 core + screen
cable
 Supplied with P-clamp and fixing screw for
audio cable.
 Satin Nickel or Black Nextel finish
Installation guide
Fig A
1) Drill a 30mm (1.18”) hole through the table
see fig A.
2) Remove the nut and fit the CRM 100-RF
through the 30mm (1.18”) hole see fig B.
3) Replace nut and tighten to the underside of
the table see fig C.
4) Connections: Black 2 core + screen
Red Phase +, White Phase – and screen
Ground.
Fig C
Grey 2 core + screen cable is used for
remote switching, screen is not used. Also
note switch is open circuit when the mic is
retracted. Please take note
programming will be needed on the
DSP side to allow the microphone to be
muted once retracted.
5) Ready to go; simply push down on the
centre of the CRM 100-RF to raise the
microphone and secure the audio cable as
shown in fig D.
Fig B
www.clockaudio.com
Fig D
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