JAMO C 803 IW Brochure - Page 5

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JAMO C 803 IW Brochure
started with the debut of our highly acclaimed D 870 speaker.
The reason for choosing this confi guration is that it grants you the best of two
worlds: The tweeter and mid-woofer reproduce the full frequency range, so, this 2
way system delivers the coherent, harmonious and smooth sound typical of tradi-
tional 2-way systems.
Then the additional woofer(s) blends in below 150Hz to add the extra cone area
and power handling needed to give full fi delity in the low bass.
The dual bass refl ex confi guration means that the cabinet is divided into two cham-
bers – one housing the tweeter/mid-woofer and one the designated woofer(s).
This gives several advantages: First of all the sound pressure inside the cabinet from
the woofer does not infl uence the mid-woofer and vice versa. This of course elimi-
nates colouration and so results in cleaner sound reproduction.
The two chambers are identically tuned but the bass cabinet features a larger port
(both in diameter and length) to effortlessly provide the considerable airfl ow re-
quired to reproduce deep bass.
The upper set of of the heavy-gauge, matt chromated bi-wiring/amping terminals
connect to the tweeter while the lower terminals connect to the mid-woofer and
woofer. This split was chosen in order to separate the heavy current fl ow in the
midrange and bass from the more delicate signal going to the tweeter. The bi-wir-
ing/amping facility gives you lots of fl exibility to tune the sound balance.
C 80 CEN
C 80 CEN centre channel speaker is a 2-way, bass-refl ex system featuring two 6in
HCC woofers and a 1in DTT/WaveGuide tweeter.
The C 80 CEN can be placed on a speaker stand, book-shelf or on a TV (in the sup-
plied rubber cradle), allowing the arc-shaped speaker to be angled towards the lis-
tening position and, just as importantly, ensuring stable placement of the speaker.
The C 80 CEN is of course magnetically shielded to enable placement in the vicinity
of a normal CRT type TV.
C 80 SUR
The C 80 SUR dipolar surround speaker is deliberately designed to deliver a diffuse
sound, giving you the feeling of being enveloped in sound. Dipolar loudspeakers
usually suffer, however, from a lack of effi ciency in the deep bass area. To compen-
sate for this fact the C 80 SUR is equipped with a special Jamo feature called XBR
(eXtended Bass Response). XBR inverts the phase on one of the two woofers so that
at frequencies below 250Hz it functions according to the bipolar principle.
Using a combination of di- and bi-polar principles not only ensures ultimate diffuse
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