Revox ICS 52 - Handbuch (Seite 19)

IWS + ICS Re:sound I
3
Speaker position
General
Here are a couple of tips for you about
lining the speakers up, before you start
the installation. The speaker is
designed to achieve the optimum
reproduction if walls and room corners
are at least 0.5 meters from the
speaker. A shorter distance leads to
resonance in the bass ranges and to
booming effects.
There should be about 30 mm free
space to the side behind the fitted
opening so that the rotary tensioner
can be got into position (see
drawing).
Ideal fitting volume:
ICS 52 / IWS 52:
≥ 10 Liter (dm³)
ICS 82 / IWS 82 : ≥ 25 Liter (dm³)
Ducting warning
There shouldn’t be any loose ducting in
the fitting recess as these could vibrate
with the speakers. This would result in
a permanent background noise.
Large room speaker assignment
In the case of large rooms, we
recommend that you distribute
several speakers throughout the
room rather than just installing a
single speaker. Here, the total
impedance must be taken into
account. The possible switching
options of two or more speakers are
explained in the following chapter
The total impedance of speakers . The
important factors in relation to the
maximum volume are the membrane
cone area and the sensitivity of the
speaker, measured as dB per watt in
1m distance.
In general, the following rule is valid:
the larger the speaker and the
greater the amount of volume
available to it, the lower the deepest
limit frequency.
Usage as Home Cinema surround
speaker
The sound from the surround
speakers should be as diffused as
possible. As a rule, the speakers
should be positioned behind the
listener and at least 0.6 metres above
ear level. Ceiling installation in this
case leads to good results. The
positioning is less important with
surround speaker usage than in other
cases.