Jamo D 7 SUB Owner/User Manual - Page 19

midrange drivers, mounted close to each other

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D 7SUR The dipolar surround speaker D 7SUR, use the same drivers as the D 7LCR. This is done to achieve seamless timbre matching with D 7LCR and to obtain the same D 7SUR high level of detail in the sound reproduction. D 7SUR is equipped with one 5½" woofer, four 2½" midrange drivers and two 1" tweeters. At both ends of the speaker, there is a midrange/tweeter array with two midrange drivers, mounted close to each other with the tweeter above them - all in a vertical line. This is done because the surround speakers, due to their positioning in relation to the listening position, must have a different dispersion characteristic than the front speakers. The dispersion pattern must be to the sides and upwards to "paint" the walls and ceiling with sound. The D 7SUR features a single woofer mounted in the centre of the front baffle. This configuration was chosen as conventional dipole speakers often suffer from poor bass reproduction, due to phase cancellation between the two woofers. 9

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9
D 7SUR
The
dipolar
surround speaker
D
7SUR
,
use
the
same drivers as the
D 7LCR
.
This
is
done
to
achieve
seamless
timbre
matching
with
D 7LCR
and to
obtain
the
same
high level of detail
in the sound reproduction.
D 7SUR
is equipped with one 5½” woofer, four 2½”
midrange drivers and two 1” tweeters. At both ends of
the speaker, there is a midrange/tweeter array with two
midrange drivers, mounted close to each other with
the tweeter above them -
all in a vertical line.
This is done because the surround speakers, due to
their positioning in relation to the listening position,
must have a different dispersion characteristic than the
front speakers.
The dispersion pattern must be to the sides and
upwards to “paint” the walls and ceiling with sound.
The D 7SUR features a single woofer mounted in the
centre of the front baffle.
This configuration was chosen as conventional dipole
speakers often suffer from poor bass reproduction, due
to phase cancellation between the two woofers.
D 7SUR