19
MICROPHONE MAINTENANCE
DPA 4099 is designed with highly resistant and protective mate-
rials in the construction so do not try to clean the microphone
as it is unnecessary.
Do not use any spray or fluid containing chemicals that could
remove static electricity on or close to the microphone. This
could cause permanent damage.
Should the foam windscreen need replacement, remove it from
the microphone. Draw the windscreen, not the microphone,
away from the shock mount, while holding the microphone
cable. Cleaning or washing of the windscreen can be done in
distilled water.
For cable cleaning; Use organic oil (e.g. olive oil) or lukewarm,
distilled water to remove residue from tape or glue.
The DPA 4099 is very resistant to humidity and sweat, but keep
it away from unnecessary exposure to water and cleaning fluids
(keep element dry at all times). It should not be used in direct,
heavy rain.
Avoid excessive pressure on the microphone element. The mi-
crophone will not perform to its specifications if the directional
tube under the foam windscreen has been bent from its original
shape.
If the directional tube becomes misshapen, it should be re-
shaped as close as possible to its original cylindrical shape.
To minimize potential cable damage, wind up excess cable in
soft figure-of-eight loops (preferably 6 – 8 cm (2.5 – 3 in) in
diameter), this also helps to reduce handling noise. Do not bend
the cable or rub it harshly, that may stress the inner cores and
cause them to break over time.
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