This is the 8 pages manual for acoustic research holographic imaging series.
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HOLDGHAPHIC IMAGING SERIES
THE TECHNOLOGY OEA NEW SOIIIIIII IIESICIII.
WHAT IS HOLOCRAPHIC
It's the vivid recreation of the sonic
space on a recording and the exact
positioning of instruments and
singers within that space.
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Think of these two pages as a
nzu-rative spec sheet-highlighting
some of the concepts which have
gone into developing this new
mode of stereo enjoyment.
ANCLINC THE WOOFER UPWARO.
This projects smooth. ï¬at sound at
the critical crossover point directly
toward your ezu- and ample hall
simulating rnidrange reverberation
thmughout the reflected sound.
WIOER IMACINC AREA.
Imaging is no longer appreciated
just in the -sweet spot." The asym-
metrical offset of the tweeter on
its baffle improves imaging over
a wider listening angle. (Fig. Br
BETTER SEOMETRY = BETTER
Unique narrow cabinet bafï¬e mini-
mizes diffraction turd reï¬ection
effects for superb stereo imaging.
New low frequency design delivers
more energy from a small cabinet
and maximum performance in any
STRONC, PRECISE IMACINC.
Our ultrawide-dispersion, louvered
3/4 " (19 mm) tweeters produce preci-
sion lmalization on axis, along with
treble airiness thmughout the room.
It's the best of both worlds. Other
speakers use bezuny, 1~inch (25 mm)
tweeters. on wider cabinet fronts,
too. (Fig. Cl
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BETTER -REAL WORLD-
Here is actual frequency response
measured in a real, typical living
hi on" be
room. Note its serious smoothness
across the crucial, ear-sensitive mid
range and upper midrange. This
simply means better and more accu-
rate sound. (Any speaker system's
response below 500 Hz will vary
from room to room and speaker lo-
cation to speaker loartion.) (Fig. Dl
SPECIFIC MATERIALS CHOSEN
FOR BEST RESULTS IN EACH
Pulp paper cones are used where
deep bass is required; rigid carbon
loaded polypropylene cones with
minimal high frequency breakup
are speciï¬ed in some models to
assure smooth midrange response.
Due to the new and improved
woofers, these speakers demurr-
strate effortless bass perï¬mnance.
Rubber roll surrounds ensure the
greatest excursion possible for the
cone, combined with very low resr
onancc. The acoustic suspension
system that AR invented then maxÂ»
imizes the bass perfonnance from
the compact cabinet.
DOME TINEETERS FOCUS
'l-hey project unconï¬ned sound into
the mom rather thzur localizing it to
the speakers. The result is a clear