Operation Manual

Before connecting and using your loudspeakers, please bear the following points in mind:
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Switch off the amplifier and all sources before making connections to your sound system.
When you switch on the system or change sources, set the volume control to minimum
and turn up the level gradually.
The position of your Volume Control is NOT a reliable guide as to the maximum capabilities of
your sound system. Playing the system with extreme settings of volume and tone controls may
damage the amplifier and loudspeakers.
Do not connect loudspeaker terminals to the mains supply.
Ensure that your loudspeakers are correctly wired and are in phase.Do not subject your
loudspeakers to excessive cold, heat or sunlight.
WARNING: To reduce the risk of fire or electrical shock do not expose this product to rain or
moisture. The product must not be exposed to dripping and splashing and no object filled with
liquids - such as a vase of flowers - should be placed on the product.
No naked flame sources - such as candles - must be placed on the product.Do not place heavy
objects on top of loudspeaker cabinets. If you play the loudspeakers with the grilles removed
be careful to protect the drive units from children and pets.
Do not use makeshift stands. Always fit a manufacturer's approved stand using the
instructions and the fixings provided. Your dealer will advise you.
Do not attempt to dismantle the loudspeaker. There are no user serviceable parts inside and
you will invalidate the warranty.
All the Front and Centre loudspeakers are screened, but you should site front loudspeakers at
least 0.5 m away from TV sets and magnetic storage media. The Opus² Tri-Centre and the
AvCentre loudspeakers may safely be operated close to a TV set.
When connecting your loudspeakers, do not run cable across areas of open floor where they
may be a source of danger. Run them safely, around room boundaries if necessary.
Before You Begin...
Opus²
2
Opus²Opus²
Opus² -M1: Horizontal Directivity
Superb, wide, even dispersion for larger listening areas
Opus² -Tri-Centre: Distortion
Opus² -SW250: Filter Curves
Superb, level and even on-wall response
Low subwoofer distortion
Optimised filters blend seamlessly with front speakers
Low distortion over the full spectrum at 100dB at 1 m.
Optimised linear on-wall resopnse
Very low distortion over the vocal bandwidth at 100dB
Opus² - Tri-Surround: Horizontal Directivity
Opus² -AvSat: Frequency ResponseOpus² -AvSat: Harmonic Distortion
Opus² -AvCentre: Near-Wall Response
Opus² -SW250: 2nd and 3rd HD
Measurement and Analysis-2
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