5
KEF T Series Technologies Explained
TOTALSYSTEMDESIGN
Cabinet
The cabinet structure for the T-series incorporates a number of
clever features which help to retain the minimum build height.
The speaker is easy to install and flexible in the way it can be
positioned. As with all KEF speakers, special care has been taken
to control cabinet resonances.
Minimum build height
The terminals have been fully integrated into the cabinet to
avoid adding to the depth of the speaker. The T-series also
features zero build height wall mounting connections. Some TVs
and speakers adver tise that they are slim design, but the wall
brackets can drastically add to the depth when wall mounted.
The T-series wall brackets only add 2.5mm to the product depth
when wall mounted.
• CAD cutaway showing the new T-Series midrange driver mounted into the T-Series
cabinet.
Subwoofer
The T2 is a slim and sleek subwoofer ideally designed for use
with the T-series. The strong and inert enclosure houses a
250mm (10in.) bass drive unit in a closed box configuration. This
closed box configuration delivers tight and accurate bass ideal
for music. The variable EQ allows you to tailor the bass output
to delivery truly earth shaking bass for the ultimate home
theatre experience. The T2 features an ultra-reliable, high
efficiency 250W Class-D amplifier, which can play very loud and
very clean - all day long if necessary.
The subwoofer is normally one of the largest speakers in a
home theatre system and as such we have designed the T2 to
be as slim as possible, allowing it to be positioned close to a wall
or in the corner with no reduction in its performance. This
allows you to maintain a clean, clutter free look whilst still
delivering a level of performance that you would expect from a
much larger subwoofer. The T2 also uses SmartBass™ “connect
and go” technology for simplicity of set up. Our engineers have
carefully designed the T2 to be as easy and practical as possible;
just connect it to the mains and your AV receiver to be assured
of optimum performance without the hassle of “tweaking”.
Flexible stands
The desk stand for the centre speakers allow you to have the
centre speaker positioned vertically or tilted back by 5 degrees.
This allows the speaker to be directed towards the listener,
increasing the intelligibility of the critical centre channel.
Fully braced structure
Cabinet mechanics is an important part of the system design
and special care has been taken to ensure these new cabinets
are acoustically inert. This is critical for maintaining the clean
midrange produced by the new drive units. The drive units and
cabinets have been designed together in such a way that the
drive units brace the cabinets to stop any unwanted cabinet
resonances that could colour the sound.
LARGENEWVENTEDTWEETER
In recent years KEF has made great progress in tweeter technology and
for the new T-Series we have been able to use some of the technology
we use in our high end products. The diameter of the tweeter has been
increased to 25mm instead of the 19mm that is more usual on products
of this kind. The 25mm size has the ideal compromise between high
frequency extension and output capability which is why we use 25mm
tweeters on our agship Muon and Reference Series models.
Despite the very shallow depth of the loudspeaker we have been able to
incorporate a venting system into the rear of the tweeter magnet system
similar to that found in the KEF Reference Series.
Another distinctive feature of the tweeter is the Tangerine Waveguide
which covers the dome which increases the sensitivity and dispersion at
the very top end. We have also paid a lot of attention to the lower end
of the tweeter to ensure that we have a low resonance which allows us
to use the tweeter over a wider bandwidth and to use a simpler
crossover design.
Many hours of careful analysis and design have resulted in us being able
to put technologies into this design which in previous years would only
have been found in the very highest-end loudspeakers.
• Detail of tweeter showing Tangerine
Waveguide and rear venting.
• T-series Vented Tweeter and Tangerine
Waveguide.
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