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. Author manuscript; available in PMC: 2011 Feb 1.
Published in final edited form as: Hear Res. 2009 Nov 10;260(1-2):1–10. doi: 10.1016/j.heares.2009.11.004

Figure 2.

Figure 2

Loudspeaker system developed for spatial hearing research to minimally affect the sound field in an anechoic chamber while creating high sound pressure level combined with an even frequency response. This is achieved by a cylindrical shape, a slanted back and filling of the housing with damping material. Loudspeakers are mounted on poles and via clamps on a railing that protrudes from the floor of the anechoic chamber. Rubber pads between clamps and the railing minimize pendulum movement and vibration.