APOGEE ACOUSTICS' FULL RANGE RIBBON SPEAKER SYSTEM
APOGEE ACOUSTICS takes great pride in announcing a revolutionary
development in loudspeaker design; the first full range ribbon speaker
system. Previous sound system's have employed ribbon-technology to
provide outstanding performance in the high frequency, tweeter range.
Now, with the addition of APOGEE'S midrange and woofer ribbon drivers,
the excellence of the ribbon is made available from deep bass, through
midrange and beyond the upper frequency limits of the acoustical range.
The integration of the tweeter, midrange and woofer ribbons combined
with seamless crossovers provides an outstanding clarity, resolution,
spectral dispersion, depth, and dynamic range. Further, the tweeter
operation as a line source reproduces the uncanny ambience of live
music into your listening room.
The full range ribbon system reproduces classical music at Concert Hall
sound levels but also has the dynamic range for ear splitting hard
rock. The APOGEE ribbons play at a massive 115db acoustical power level
at a 4 meter listening position in a 14x27 foot room using 100 watt per
channel amplifiers in bi-amp configuration.
The system's three drivers are mounted in an architectural structure
that readily fits into most living room environments The speakers are
sculptural in their appearance with dimensions of 80 inches in height,
35 inches width, and a depth of under 4 inches.
The geometry of the three ribbons has been scaled to provide a
combination of good power handling capacity, dispersion and a balanced
tonal quality over the bass, midrange and upper frequencies. The woofer
averages 12 inches in width covering a frequency band of below
25-400Hz, the midrange ribbon is two inches in width and covers the
band from 400-3,500Hz while the tweeter covers the 3,500 to well over
the 30,000Hz region.
The clarity, resolution, and wide dispersion of the midrange and
tweeter are provided by the use of a ribbon element, free over its
entire length except for the top and bottom mechanical support. This is
the theoretically perfect-approach to sound reproduction; a limp
conductor placed in a magnetic field. A force is generated uniformly
across the area of the ribbon when the amplifier drives current through
the ribbon. Hence, sound is reproduced without the normal structural
coloration’s of speakers that do not have a pure force over area
mechanization.
The midrange dipole driver consists of a two inch wide ribbon. The line
source tweeter driver consists of a pair of one half inch ribbons
radiating in phase acoustical power in both the forward and rear
cylinders. The lime source acoustical power radiation provides
impressive imaging, depth, sound stage, and live music ambience. The
horizontal dispersion is essentially 360 degrees. Vertical dispersion
is not an issue due to the tall line source geometry.
