Wharfedale Diamond 156 Boxe audio

Wharfedale Diamond 156 Boxe audio

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General Description
3-way Floorstanding Speaker
Enclosure Type
Bass Reflex
Transducer Complement
3-way
Bass Driver
2x165mm Woven Kevlar Cone
Midrange Driver
130mm Woven Kevlar Cone
Treble Driver
25mm Soft Dome
AV Shield
No
Sensitivity (2.83V @ 1m)
89dB
Recommended Amplifier Power
25-150W
Peak SPL
102dB
Nominal Impedance
8 Ohms Compatible
Minimum Impedance
3 Ohms
Frequency Response (+/-3dB)
40Hz - 20kHz
Bass Extension (-6dB)
35Hz
Crossover Frequency
400Hz2.4kHz
Cabinet Volume (in litres)
Mid Internal 8.8L
Dimensions (H x W x D)
975 x 204 x 348 (mm)
Net Weight
20.4kg/pcsDriver PerformanceAs
you would expect from a series of this stature, the Diamond 100 is bang
up to date in terms of technology and performance. Foremost in the
design criteria for Diamond 100 is the ongoing research into loudspeaker
driver sound quality. To that end the famous Wharfedale Woven Kevlar
cone was put under the technology spotlight and given a new profile
based on the research originally carried out for the high-end Jade
range. Incorporated in the
low frequency and midrange cones are semi-elliptical break-up areas
which smooth the response throughout the audible range. In addition each
surround is treated to match the cone edge with a unique Diamond
Pattern moulding. Finally the dust cap is blended and treated to
provide a smooth transition and perfect acoustic match to the treble
unit. The treble unit chosen
for Diamond 100 came under equal scrutiny during development. As well
as selecting a sheer fabric dome and advanced ferrite magnet system, the
dome is surrounded by a carefully crafted wave guide that encourages
outstanding midrange performance. CrossoverCombining
the drivers is a crossover developed using Wharfedales latest Virtual
Speakersoftware. Techniques developed in-house allow the final
loudspeaker to be simulated and fully analysed even before a prototype
is played for the first time. This simulation accommodates driver
performance and cabinet construction, as well as room placement, to make
sure that both on-axis and off-axis performance over a wide listening
area is fully optimized. Cabinet DesignNaturally
cabinet design was not forgotten in amongst all the other technology.
Rectilinear cabinet shapes were chosen to maximize the internal volume
and provide the deepest, most extended bass response. Again the research
from the highend Jade series was incorporated to elicit the latest
advance in loudspeaker reflex loadingthe Slot-Loaded Distributed
Port. Exiting at the base of
the speaker cabinet, the refl ex port is loaded by a slot created by
the plinth. This equalises the air pressure to mimic that inside the
cabinet allowing smooth transition between the pressure variation in the
cabinet and the low frequency sound developed in the room. Cabinet
walls and internal bracing were also incorporated in the Virtual
Speaker model, with the help of Delayed Cumulative Spectral Analysis
that ruthlessly reveals panel coloration in all its forms. Using this
technique Wharfedale engineers formulated a cabinet panel construction
of multigrain faceted boards bonded together to damp annoying High-Q
resonances and block internal sound leakage. The effect is that the
noise from cabinet walls is buried more than 35dB below the driver
output. In Diamond 100 all you hear is crystal clear music from the
drive units without any attendant coloration from the cabinet. Again
computer analysis helped refine this novel technique, but the result is
an audibly superior bass performance of great articulation and clarity. The Real TestThat
doesnt mean that Diamond 100 is purely a computer design, clever
though that might be. This Virtual Speaker is simply a tool that
allows the Wharfedale engineers to explore all facets of the loudspeaker
s performance before starting listening tests. In the final evaluation
weeks are spent fine tuning the acoustic performance using a wide
variety of music in Wharfedales five listening rooms, each of which
mimics the kind of domestic environments the Diamond Series are likely
to be used in. Only when the acoustic tests are deemed truly satisfying
are the loudspeaker designs signed-off for production, ensuring that
each speaker model fulfils its eventual owners dreams of musically
enjoyable reproduction from Britains Most Famous Loudspeakers.
Denumiri similare la Boxe audio Wharfedale Diamond 156: Diamond156
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