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)