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In Reply to: RE: 16 horns measurements posted by JoshK on December 14, 2010 at 06:34:45
Is this because the AH300 horn was tested beyond the limit of its advertised FR capability? What if it is bandpassed above 800 Hz?
Were there driver issues (RCA 1428B)? I find it difficult to believe that the diffraction issues measured were mostly horn-related--but I could be mistaken on this point.
"As far as the ear can tell, consistently clean and spacious bass can be reproduced only by a driver unit coupled to a horn-type acoustic transformer..."; Jack Dinsdale, May 1974
Follow Ups:
Reflection is a low freq phenomena and diffraction is a HF phenomena. So using the horns too low wouldn't have an effect on diffraction.
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"When Khruschev said "we will bury you" I don't think he meant with surplus parts." zacster
Driver issues (RCA 1428B)? Even though the driver is noted for "sounding good", does it test well?
Could it be an issue with that driver?
"As far as the ear can tell, consistently clean and spacious bass can be reproduced only by a driver unit coupled to a horn-type acoustic transformer..."; Jack Dinsdale, May 1974
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