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The
big selling point for these speakers, to me at least, is
that Creative have resisted the temptation to try and get
too broad a spectrum of sound from single, full range cones
and have actually opted to include 1" Titanium tweeters
to cope with the upper end.
Considering
the costs I once again felt that removing the cloth grilles
removed the whole look suddenly cheapened by a good £50.
Some may like the appearance and I wouldn't let it affect
my thinking on them, I just don't happen to think they look
like they cost as much as they do. Ultimately though I'll
let me ears lead the way this time.
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S750
Box
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Considering
the power these units handle I figured we'd see aluminium
dust caps or phase plugs used to help cool the voice coils
but clearly Creative didn't think heat would be excessive
. The main cone uses a regular rubber roll surround. The
addition of separate tweeters means some design flexibility
was available for the mids due to them not needing the responsiveness
they'd need for high frequency handling.
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The
Kit
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Don't
worry about identifying the cables. In the box come a selection
of stickers that you wrap around the end of the cable. You
also get a pile of stick-on rubber feet pads, screws and
Rawl plugs for wall mounting the sats and of course the
retaining knobs to hold the brackets on.
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Satellite
Speaker
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Moving
on to the sub we find a very large, very swish looking cube.
With a large, downward firing speaker and a tuned port to
help amplify the bass volume without spitting out a variety
of tones that aren't meant to be there.
Naturally
there are feel to raise the cabinet off the ground otherwise
you'd smother the speaker.
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Subwoofer
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A
large, perforated metal grill protects the cone from damage.
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Subwoofer
Bottom
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The rear of the cabinet is dominated by a large heat sink,
though if you think that's big it would probably be at least
twice that size had Creative not employed BASH technology.
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Subwoofer
From Below
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I don't want to get too involved in the complexities of
BASH amplifiers but the theory goes like this:
There are four classes of amplifier, these are class A,
class AB, class C, and class D. Class A is the least efficient
of the four but offers the highest sound fidelity while,
as you've probably now guessed, class C is the most efficient
but is generally produces a lower quality signal.
BASH works by using the STA575 amplifier to generate a
reference signal which is then fed on to the STABP01 digital
processor. The STABP01 processes the nature of this signal
and then generates a gate pulse for the BASH® converter
which then generates a power signal. This is fed to the
SA575's main power rails.
In theory BASH offers a level of fidelity just short of
a class A/B amp but with the efficiency of a class D amp.
The key here is that there's only one switching stage to
endure rather than multiple stages found in traditional
linear amps.
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Subwoofer
Rear View
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The
obvious omission is the lack of a digital line in, slightly
disappointing for this class of product.
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Subwoofer
Connectors
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Sound
Cable
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Subwoofer
Labels
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