Simulation of Horn Driver Response by Direct Combination ......Simulation of Horn Driver Response by...

150

80

90

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110

120

130

140

Frequency

50000100 1000 10000

PWT 1

PWT 2

PWT 3

Average

Simulation of Horn Driver Response by Direct Combination

of Compression Driver Frequency Response and Horn FEA

Dario Cinanni CIARE, Italy

Corresponding author: CIARE S.r.l., strada Fontenuovo 306/a, 60019 Senigallia (AN), Italy. d.cinanni@ciare.com

SPL frequency response of a compression driver loaded by a PWT

0.070

0.020

0.025

0.030

0.035

0.040

0.045

0.050

0.055

0.060

0.065

Frequency

200001000 10000

120

70

75

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95

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105

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115

Frequency

150001000 10000

Measured

Simulated

Simulated vs Measured Compression Driver+Horn combination

REAL WORLD VIRTUAL WORLD

Defining a mathematical Horn profile in SpeakerLAB® Horn.ell.a

Importing profile and build a solid geometry with SolidWorks®

Importing and simulating acoustic domains with Comsol Multiphysics®

Measuring Compression Driver on a Plane Wave Tube

Throat-to-mouth sound pressure frequency response of the simulated horn

Selecting a Compression Driver

Real Compression Driver

Simulated Horn Importing PWT measurement and Comsol simulation in a new software tool for

resampling and data processing

Measured and simulated absolute sound pressure frequency response (1÷15 kHz) of the horn driver

Measuring real objects in anechoic room with the horn fast prototype

Using Audiomatica Clio System® to assess

measurement

Excerpt from the proceedings of the 2015 COMSOL Conference in Grenoble