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Opus² - SW 250 Opus² - SW 300 Opus² - SW 380Parameter
Transducer Complement
Bass driver
Input Impedance
Frequency response (boundary)
Avg. max output @ 1m
Low pass filter range
Amplifier Output Power (RMS)
Line Input sensitivity (150W output)
Enclosure type
Cabinet-Wall Offset
Construction material
Finish
Overall dimensionsHxWxD
Net Weight
One
15" 380mm
10kΩ
25-95Hz
120db
35 - 85Hz in 10 Hz steps
600 Watts
325mv
sealed
80 mm
25mm MDF
570 x 465 x 570 mm
40.5 kg
One
12" 300mm
10kΩ
25-95Hz
114db
35 - 85hz in 10 Hz steps
300 Watts
325mv
sealed
80 mm
25mm MDF
520 x 390 x 450 mm
29.5 kg
One
10" 250 mm
10kΩ
30 - 100 Hz
113db
35 - 85Hz in 10 Hz steps
250 Watts
325mv
sealed
60 mm
25mm MDF
420 x 420 x 375 mm
27 kg
Subwoofer Specifications
The SW series of subwoofers offers a level of performance previously
unheard of in their class.
Revolutionary drive units, amplifier modules and filter stages feature on
every model. They strike the perfect balance between power and sound
quality, offering remarkable sound pressure levels, yet retaining enough
control to satisfy the most discerning audiophile and music lover. This is
possible only through the use of space-age materials and cutting-edge
technology in our drive units.
Solid, well-engineered power amplifiers, dedicated to the production of low
frequency energy are used across the range. Power is targeted specifically at
the most important section of the bass spectrum , with very little loss and a
controlled roll-off allowing for superb integration with all hi-fi and home
cinema systems.
The filter section controls the integration with your main speakers and
ensures the transition is seamless. Designed using six discrete circuits,
signal purity is regarded as paramount. Each circuit has a different crossover
frequency (35 Hz to 85 Hz in 10 Hz steps). The filter is 24 dB/octave. In
each model it is possible to switch off all filters and allow the AV processor to control the effective frequency range of the subwoofer.
This is preferable in high-end systems.
Finally, the Tri-lam cone is revolutionary in terms of technology and performance. Detailed on the next page, it is one of the most
advanced cones ever seen in a moving-coil loudspeaker, coupled with an elongated voice coil with a maximum excursion of 24mm.
Opus²
Selected wood veneers in high gloss piano lacquer finish to match Opus² loudspeakers
30
Adjusting Spikes
Floor standing Opus² loudspeakers, the Opus² subwoofers and the
loudspeaker stand come pre-fitted with the plinth and spikes.
Slacken the retaining collar at the bottom
of the spike. Adjust the spike in and out as required. Do not re-tighten
the spikes at this time.
Release the Turn spike out and
down to level.
Re-lock top knob and then tighten
all the collars. Make sure the spikes are fully tightened.
If you are using the stands to support the M1 or M2, we suggest
you level the stand you place the speakers on them.
Opus speakers and stands are heavy and the spikes could
penetrate softer floor materials over extended periods. Spike seats are
supplied to protect sensitive floors and floor coverings.
Specialist audio cable usually offers better performance than general
purpose ‘bell’ or ‘zip’ wire.
Choose a cable of suitable diameter – cable that is too thin will limit
the dynamics of the sound and may impair the bass response. Audio
cable is polarised, with two cores of different colours, or often a raised
rib or coloured tracer in the case of twin cable.
Before you purchase your cable, we suggest that you give careful
thought to the positioning of your loudspeakers. This is especially the
case if you are bi- or tri-wiring your loudspeakers.
Cable lengths to loudspeaker pairs should be the same for left and right
channels in order to equalise the signal transmission. Allow some slack
in your speaker cables so you can alter their position to best advantage,
but do not have your cables over-long.
Split the twin cores to a depth of about 40mm. Carefully strip the
insulation from each end, leaving about 10mm of bare wire. If the
cable is stranded, lightly twist to gather any loose strands.
Adjusting the Front Spikes:
When the loudspeakers are level:
WARNING:
Adjusting the Rear Spikes: Slacken the retaining collar at the bottom of
the spike. locking knob on the top.
Opus²
before
Choosing Loudspeaker Cable
Preparing Loudspeaker Cable
Preparing Your Loudspeakers
40mm
10mm
Front Spike
Rear Spike
Bottom Collar
Spike
Bottom Collar
Spike
Top Knob
Using the Spike Seat
Opus²
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