Coplanar: Separate Woofer and Tweeter
Acceptable sound is only achieved over a relatively small
area due to mismatched directivities and driver interference.
coplanar
pioneer cst technology
pioneer cst technology
coaxial
coaxial
Coaxial Driver: Concentric, Not Coherent
Improves upon coplanar designs, with a larger but still
limited listening area by eliminating driver interference.
CST: Coherent Source Tr ansducer
Matched directivity and elimination of driver interfer-
ence results in sound as realistic off-axis as on-center.
cst: coherent source transducer.
the concentric solution.
from a single point source, maximizing
im a g e s t abil i t y an d dr am a t ic al ly
reducing interference.
Directivity is precisely controlled
at al l frequencies, and direct and
reflected sound arrives at the listener
w i t h m a t c h e d t im br e — e s p e cial ly
important with in-ceiling speakers,
where unwanted reflections compro-
mise clarity and impact.
Listeners enjoy a wider sweet spot
t h a n w i t h p i v o t in g c o p l a n a r a n d
The CST empl oys a tweeter, con-
c e n t r ic a l l y m o u n t e d a t t h e a p e x
of the bass / midrange dri ver cone
t o main t ain sonic coher ence and
seamless linearity. This configuration
ensures that sound propagates as if
coaxial designs, whil e the CS T’s
c o n t r o l l e d di s p e r s i o n in c r e a s e s
f l e x ibility and installation options.
Uniform delivery of sound means that
even off-axis positions can promise
the excitement of a front-row seat.
The CST Uses Technology Developed From the TAD Reference One and EX Series Speakers.
Summary of Contents for Elite S-IW571L
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