guy from Brekke-Strand & and his personal site with some pretty god resources: "This site is dedicated to topics in room acoustics, music acoustics, speech acoustics, perception and their interrelation in general, and concert hall acoustics and stage acoustics in particular."
the 3D3A lab is conducting detailed measurements of the directivity of various loudspeakers measured in the lab's anechoic chamber. At present the database contains the measured directivity data for six loudspeakers: 1. Ascend Acoustics CBM-170 2. GedLee Nathan 3. Genelec 8030a 4. Manger Sidekick 5. Spendor SA1 6. Tannoy Definition DC6i (Concentric)
A library of good packings, coverings and maximal volume arrangements of points on the sphere in 3 dimensions having icosahedral symmetry. The number of points ranges from 60 to 78032