Aca encontre el grafico de directividad que decia ... y es con ARTA ...
Ver el archivo adjunto 309305Speaker directivity / off axis response: theory and measurement techniques
This blog article is the first in a mini-series about speaker directivity or off axis frequency response. For us the two most important things in determining sound quality in a home theater or stereo are the speaker and the room. Above the room’s transition frequency the speaker’s directivity...acousticfrontiers.com
Ok, investigare en cuanto tenga tiempo, he usado ARTA pero lo basico. gracias.