Owner’s Manual Special Forty
P21
P20
Positioning
Floor-standing
loudspeaker set-up
The floor-standing models feature
a special base construction, which
offers both an ideal performance and
mechanical basis. Integrated into the
base plinth are four individual spike
assemblies. These stabilize the cabinet
on an extremely small contact area, and
therefore prevent any wobbling while
offering optimal resonance control.
The individually adjustable spikes allow
leveling of the cabinet on uneven floors.
Compact loudspeaker set-up
The compact models are designed to
offer exceptional performance while
taking up minimal space. The mini-
monitors will realize their optimum
performance when used in conjunction
with a dedicated stand (such as the
Dynaudio Stands) to position them at
the proper height while absorbing any
resonance.
Due to its dimensions, you can also
place the loudspeaker on a ledge or
shelf or on top of furniture. But to
avoid the possibility of any negative
influence on sound quality, one should
Spikes with sharp peaks
The sharp peaks of the spikes may cause injuries and damage sensitive surfaces like
hardwood flooring or tile.
Be careful when handling the loudspeakers.
Place plates between the spikes and the surface to protect the underlying surface.
take care to utilize a stable surface
offering a wide enough space in front
of the loudspeakers as to not limit the
sound quality and performance. In such
applications or if placing the speakers in
enclosed audio/video furniture, the bass
reflex port can usually be left unplugged
as long as there is minimal clearance to
the boundaries at the top and rear of the
loudspeaker cabinet.
Distance to back and side
walls
Every loudspeaker not only disperses
sound energy directly into the room, but
also to the side and even backwards. As
a result, time-delayed reflections occur
and add to the original music signal.
Thus, when loudspeakers are positioned
too close to walls, the sound quality can
be restricted.
Dynaudio loudspeakers were developed
to be placed free-standing, and therefore
they reach their optimum performance
when positioned as clear of any walls
as possible.
To reduce possible influences from
the back and sidewalls, the distance
to these boundaries should ideally not
be less than 0.5 meter (see Fig. 4).
Adapting the bass reflex port
To minimize low frequency reflections,
which will be heard as a thickening of
the sound, the loudspeaker models
can be adapted to the room’s acoustic
character by using foam plugs in the
bass reflex port. This will essentially
attenuate the room-induced boost in the
low frequency range by dampening the
deep frequencies, yielding a more clear
and tight sound when the loudspeaker is
positioned near rear walls.
Fig. 4 Distance to walls.
Fully insert the foam port plugs
packed with your loudspeaker into
the bass reflex port, to attenuate the
bass output (if required).
If the attenuation of the bass volume
is too high (bass level too low) remove
the inner part of the foam plug. Then
fully insert the foam ring in the bass
reflex port. Make sure the ring is
formed in a concentric circular shape
within the port to prevent reduced
and turbulent airflow.
A, B ≥ 0.5 m
A ≠ B
B
A
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