Diffraction occurs when some of the energy
radiated by the drivers is re-radiated at a later time from the
cabinet edges. Diffraction causes tonal balance problems by increasing
energy to the listener at some frequencies and reducing energy
at other frequencies. Diffraction also causes smearing of transient
sounds, distortion of spatial cues, and creates a "boxy"
top view of speaker
With most speakers, sound from the tweeter
encounters cabinet edges that cause energy to be diffracted.
THIEL floor-standing speakers employ a rounded
baffle or grilleboard that allow's the tweeter's energy to radiate
outward into the room without encountering abrupt edges. The result
is spacious and uncolored reproduction.
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