Yamaha IF2115 Manuel d'application - Page 3

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Application Guide for

Yamaha Installation Series Speakers

Introduction

This application guide shows system design examples of the Yamaha Installation Series Speakers.

Here, typical speaker layouts comprising single loudspeakers and speaker clusters suited to the size,

geometry and application of the room are shown.

We hope that by applying the examples shown in this guide, this application guide may assist your

speaker system design

The IF2112 (12" LF) and IF2115 (15" LF) models featured in this first edition are higher power models.

Various examples using 12" & 15" LF medium power models and three way high power models will be

provided in the forthcoming second edition.

Important parameters such as coverage area, SPL and frequency response of speaker arrays can be

worked out easily by using "Y-S

" – Yamaha Speaker System Simulator software.

Common Loudspeaker Format (CLF) data such as frequency response, balloon data, polar pattern,

directivity, and impedance response of each speaker model is provided in the free downloadable "CLF

Viewer". An introduction to Y-S

and the CLF Viewer follows at the end of this guide.

Also U-brackets, Array frame and Pin out are introduced. Yamaha prepares many kind of bracket to fit

various uses.

Yamaha Installation Series Speakers pursue the goal of being "truly arrayable". Yamaha considers this to

be not only physically arrayable by providing suitable array frames, but also "acoustically arrayable" by

ensuring maximum phase coherence and minimum destructive interference.

In order to realize the goal of being "Acoustically Arrayable", Yamaha unified the phase curve for the

whole Installation series, thereby minimizing SPL cancellations caused by phase difference between

speakers in a speaker array.

A further benefit of this unified phase response is the sonic consistency when different models are used

in the same room, resulting in less 'muddiness'.

We hope that Yamaha Installation Series Speakers help you to improve your projects' sonic

environments!