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Speaker Asylum General speaker questions for audio and home theater. |
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Speaker Asylum General speaker questions for audio and home theater. |
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In Reply to: Waveguide/Horns moving in posted by J. Phelan on October 22, 2016 at 16:43:32:
I don't think that speakers using some form of waveguide and horn loaded speakers should be considered as a single type.Although waveguides are a form of horn, in most speakers they are used to control directivity (dispersion). This being the case they are normally of such a short length as to only be effective at the upper frequencies of the audio bandwith radiated by the drive unit. So such speakers effectively remain as direct radiators.
Horn loading, on the other hand, is not so concerned with directivity but in providing optimum impedence matching between the audio radiation from the drive unit and the air, thus increasing efficiency. In these cases the horn has to be long enough and of a correct cross section to relate to the full frequency spectrum of the drive unit ( although for the lowest frequencies the horn may not match the full wavelength for practical reasons).
As the latter type of design requires large cabinets of complex construction where a full, or close to full, audio bandwidth is concerned they will remain expensive and hard to incorporate in most domestic settings. Therefore their popularity is likely to continue to be limited. Remember that the number of available models has no relation to how many are sold.
Edits: 10/23/16
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Follow Ups
- RE: Waveguide/Horns moving in - PAR 02:09:37 10/23/16 (1)
- RE: Waveguide/Horns moving in - J. Phelan 09:26:11 10/23/16 (0)
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