150
80
90
100
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. [email protected]
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
80
85
90
95
100
105
110
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