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A complete 7.1 set up requires 5 x D 7LCRs (3 pcs. as
front speakers and 2 pcs. as surround back speakers)
and 2 x D 7SURs as surround speakers. Finally 2 x D
7SUBs complete the system. However, as the THX
certification applies to a 3000 cu. ft. /110 cu. m room
which approximately refers to 400 sq. ft. /40 sq. m., one
subwoofer will be more than sufficient for rooms
smaller than this. This is in fact one of the reasons why
Jamo has chosen to make a more compact subwoofer –
giving the consumer freedom of choice depending on
his room size and personal preferences – we call this
"Individual Sound Solutions".
Also, using two "small" subs instead of one "big" sub,
makes it easier to obtain a smooth power response
throughout a large room.
In some aspects, the THX Ultra2 requirements are not
as restrictive as the "old" THX Ultra as a wider vertical
dispersion from the front speakers is allowed.
We welcome this, as it fits well into our philosophy
about not having a narrow vertical dispersion. In our
previous THX systems we have always kept this
focusing to a minimum.
In the development of the D 7LCR, great efforts have
been put in getting as wide vertical dispersion as
possible.
Our philosophy is lived out through the D 7LCR - you
will simply experience a large open listening window,
regardless of the listening height.
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