Bowers & Wilkins ASW10CM S2, Manual

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1. Unpacking
Carton Contents
Check in the carton for:
1 Mains cable
1 Accessory pack containing
4 Rubber feet
4 M4 spike feet
4 Lock nuts (10mm across flats)
Environmental Information
This product complies with international directives,
including but not limited to:
i. the R estriction o f H azardous S ubstances (RoHS) in
electrical and electronic equipment
ii. the R egistration, E valuation, A uthorisation and
restriction of CH emicals (REACH)
iii the disposal of W aste E lectrical and E lectronic
E quipment (WEEE).
Consult your local waste disposal authority for
guidance on how properly to recycle or dispose
of this product.
The subwoofer has been designed both for Home
Theatre installations and to augment the bass
performance of ‘full range’ speakers in 2-channel
audio systems. All audio installations require some
thought in installation if they are to reach their full
performance potential and this manual will guide
you through the process.
The subwoofer requires connection to the mains power
supply, so it is important that you familiarise yourself
with the safety instructions and heed all the warnings.
Keep this manual in a safe place for future reference.
The Subwoofer Connection and Control Panel
1. Status indicator.
2. On, Auto, Stand-by switch.
3. Line-level input volume.
4. Speaker level input volume.
5. Low-pass filter frequency.
6. Low-pass filter selection switch.
7. Bass extension switch.
8. Equalisation switch.
9. Phase reverse switch.
10. 12V trigger input.
11. Line level input sockets (left and right).
12. Speaker level input binding posts (left and right).
13. Mains input.
14. External fuse holder.
Subwoofer Applications
The primary function of a subwoofer is to reproduce
signals from an audio-visual processor's Low
Frequency Effects (LFE) channel. In addition, the
processor may be configured to divert the low
bass portion from some or all of the other channels
and add it to the LFE information. This is usually done
by selecting “small” loudspeakers in the processor
set-up procedure.
In 2-channel audio applications a subwoofer is used
to extend the bass response lower than that provided
by the satellite speakers. The subwoofer low-pass filter
should be set so that the subwoofer takes over as the
output of the satellite speakers falls.
Subwoofer Positioning and Installation
The ear poorly perceives the source location of low
frequency sound so the position of subwoofers in the
listening room is generally less critical compared to
full-range speakers. However, best results are usually
obtained if the subwoofer is placed between the left
and right speakers or in the vicinity of one of them.
If two subwoofers are used, it is best to put one
near the left and one near the right speaker. Placing
a subwoofer behind the listening position, even in
multichannel surround sound installations, generally
results in inferior imaging, but may be an acceptable
compromise if domestic considerations dictate.
2. Positioning
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