Bedienungsanleitung Pioneer s 8ex w (Seite 4 von 134) (Deutsch, Englisch, Holländisch, Französisch, Italienisch)

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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.

Technology behind the S-8EX

CST

The core driver of the system is the Coherent Source Transducer

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

diaphragm is mounted concentrically within the apex of the

midrange cone and provides a point source of sound from

400 Hz to 100 kHz. The CST ensures a perfect spectral balance

between the direct and reflected sounds that arrive at the

listener’s ears, providing a more consistent sound throughout the

listening room and improved imaging capability.

Ceramic Graphite Diaphragm

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

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

lightness and exceptional strength combine to create speakers

whose diaphragm resonance can be pushed far beyond their

audible range.

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.

Bass Drivers

The bass driver pictured below serves as the foundation of the

S-8EX speaker system. The driver’s strength is the result of the

Aramid/Carbon composite material, originally created during the

development of the S-1EX, that is used in its diaphragm. Pioneer’s

exclusive LDMC magnetic circuit technology has been

incorporated in order to preserve linearity from low to high output

levels and minimize distortion.

Bass Enclosure Construction

The unique form of the S-8EX is based upon logical necessity. In

order to synchronize the arrival time of sound from the CST and

the two bass drivers, each driver is mounted upon a baffle that

serves to create a highly delicate curve known as the “precision

curve” (see illustration below). Made of up to 65 mm thick MDF

(Medium Density Fiberboard), this baffle is, moreover, strong

enough to contain the force of the drivers. Additionally, the bass

port has been carved out of an extremely thick block of MDF,

resulting in the reduction of wind noise for clear, deep bass.

18 000

Velocity (m/s)

Inner Loss

16 000

14 000

12 000

10 000

8 000

6 000

4 000

2 000

0.005 0.015

0.025

Precision curve

S-8EX_EN.book 4 ページ２００８年７月１６日　水曜日　午後２時２０分

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