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PRODUCT INFORMATION Classis OM 302/304
Thank you for selecting one of the OM 302/304 miniature
condenser gooseneck microphones for ceiling mounting of
the beyerdynamic Classis series. Please take some time to
read carefully through this information before using the
product.
Applications
The Classis OM 302/304 has been designed for sound
contracting applications including tele/video con ferencing,
choir miking and distance learning.
It has a cardioid polar response giving high gain before
feedback and the electret-condenser microphone
elements give clear audio response even when operating
at extended distances from the sound source.
All microphones feature the innovative Scudio™ technology,
making the microphones absolutely insensitive to wireless
communication devices such as mobile phones.
Classis OM 302 / OM 304
Installation
The Classis OM 302 has been designed
for ceiling mounting and utilises a standard
wall-plate (inner diameter:
60 mm) for easy installation.
The Classis OM 304 has been designed
for use in rooms which have high ceilings
and where it is necessary to hang the
microphone in the area of the sound
source. It also utilises a standard wall-
plate and is fitted with 8 metres of cable
which can be shortened to the desired
length by cutting and re-terminating at the
PCB.
Connection
Lay a cable (2 conductor + shield) from the amplifier to
the desired installation position. Take care to route this
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cable separately from mains power cables or any other
cables or equipment which may induce interference.
The microphone cable should be fixed with one of the two
enclosed strain-relief clamps and then screwed to the PCB.
Connection to the screw
terminals is as follows:
inner-conductors to + and -
(take care to observe
phase) and the shield/drain
wire to ground (shield).
Mounting
When the installation terminations are completed, place
the microphone assembly into the mounting box and
fasten using the two screws. Take care not to trap any of
the cables between the plate and the mounting box.
Adjustment
When the microphone has been adjusted to the correct
height and has settled into its final position the gooseneck
can then be adjusted to the optimum position relative to
the sound source.
mixing console/amplifier
microphone cable
(2-core, shielded)
strain relief
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