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In the Forum: Horn-Loaded Speakers
In the Thread: Transition : Driver to throat, when throat is smaller than driver
Post Subject: Unless you beelive in the urban myth of a full-range driverPosted by Romy the Cat on: 9/22/2006
Angelo, I do not think this site add anything applied to the subject. I personally do not feel that upper bass horns require any phase plugs; quite in contrary they are dreadful for upper bass horns. When a straight horn employed then the horn does not loose the driver’s HF in cavities and the resonant chambers of a typical bend horn. As the result most of the straight upperbass horn has excessive HF and I relay do not see needs to expend the HF via the phase plugs. Sure, unless a person would like to make a commercial version, Stereophile advertised “upperbass horn that runs up to 20 kHz”. I would personally even consider making a front chamber for the upperbass horn in order to kill in the some HF (front chamber is a first order low pass filter). So, by construction an elaborate phase plug for upperbass horn be careful what you are asking – you might get completely unnecessary HF. Do not forget that if a cone of the upperbass bass driver is light and soft enoght to be capable to produces well the 4-5Khz region then… it was a wrong driver selection for 80hz region…
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