Designer’s Note from Bill Dudleston
F
IELD OPTIMIZED CONVERGENT SOURCE
FOCUS utilizes controlled directivity to improve image
resolution.This special driver array minimizes coloration’s due to
floor and ceiling reflections.The speaker system offers more than
400 square inches of total piston area, more than double of our
closest competitor.
The FOCUS system represents the latest advancements in
controlling acoustic radiation patterns with conventional speaker
systems.Two 7” double layered Kevlar® Hexacone drivers are
strategically separated to provide a null off-axis vertically. Floor
and ceiling are reduced by an incredible 20 decibles through the
critical midband (500 Hz-4 kHz).This reduction of early
reflections allows fragile low level ambient information found in
recordings to be heard over the listening room’s sonic signature.
Images are clearly defined and localization is consistent with
frequency.
The Kevlar Hexacone drivers used in FOCUS are among the
most expensive and elaborate ever developed.The cone material
is more than 70 times stiffer than polypropylene and paper
cones, yet weighs 30% less.An enormous motor structure and a
vented pole piece assure unsurpassed dynamics and clarity.These
special midrange drivers are mounted into rigid PVC
subenclosures, which are filled with polyester fiberfill to absorb
the backware energy.
The end result is a speaker system with literally the finest
midrange qualities in the world, next to our Whisper that is!
When one of our competitors performed a distortion analysis on
this speaker, measurements were so close to the baseline that
they thought their equipment was malfunctioning!
The treble region is handled precisely by a specially treated
1.25” woven dome tweeter with a 48 ounce magnet structure.
This dome hands off to a 4” ribbon supertweeter outfitted with a
custom designed waveguide faceplate for controlled dispersion.
This ribbon provides an ultra-linear horizontal radiation pattern
for a broad listener sweet spot and effortless shimmering highs.
Gone is the irritating “tingy” treble associated with so many
underdamped metal domes.
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