Pioneer S-3EX-QL: About the EX series Technology behind the S-3EX

S-3EX_EN.book 4 ページ ２００７年４月２３日　月曜日　午後５時１２分

About the EX series

The EX series, incorporating the abundant technological know-how behind Pioneer's flagship TAD speaker series, was developed

with the goal of creating the ultimate speaker possible in its price range.

The design and production of the EX series result from an international effort that represents the finest in Pioneer's speaker technology.

Ceramic Graphite Diaphragm

Technology behind the S-3EX

The CST's tweeter features a ceramic graphite diaphragm that

provides top-level strength and dampening characteristics that

are practically unrivaled by any other available materials currently

CST

used in high-end audio speaker systems. Ceramic graphite's

The core driver of the system is the Coherent Source Transducer

lightness and exceptional strength combine to create speakers

(CST), which draws on the technology used in TAD. The tweeter

whose diaphragm resonance can be pushed far beyond their

diaphragm is mounted concentrically within the apex of the

audible range.

midrange cone and provides a point source of sound from 400 Hz

to 100 kHz. The CST ensures a perfect spectral balance between

Velocity (m/s)

the direct and reflected sounds that arrive at the listener's ears,

18 000

providing a more consistent sound throughout the listening room

and improved imaging capability.

16 000

14 000

12 000

10 000

8 000

6 000

4 000

2 000

0

0.005 0.015

0.025

Inner Loss

Magnesium Alloy Diaphragm

The CST's midrange features a magnesium alloy diaphragm

whose characteristic lightness and high inner loss provide

excellent transience and minimal coloration of midrange sounds.

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