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In the Forum: Horn-Loaded Speakers
In the Thread: Ultimate MF compression driver?
Post Subject: It shall not be problem at 5Khz.Posted by Romy the Cat on: 7/3/2011
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 Jorge wrote:
This is something I have been at for the last few years, I have tried a few drivers, at the moment some of my favorite are the vintage RCA MI 1443,  yes filed coil and some funny cone diaphragm,  they are used from 500 hz to 5 khz with a Fostex T500 tweeter on top, they do have the non crude or agressive sound, but most of all they sound very organic, they are able to resolve highly complicated music, but they do have that non agressive sound... when called for they cannot go and tear your ears apart or blow them away!  And there are times in the music this needs to be done.

Jorge, let to be a bit rational. If a driver doe not run higher then 5khz then there is no reason or even opportunity for the driver to be crude or aggressive. You can take any the most brutal driver, cross it at 5K and you will have nice and liquid sound. I do not mean to demean your RCA driver but let do not fool ourselves methodological: you can; not attribute to one driver aggressivne and to another driver luck of it if one driver run to 5K and another to 12K. The whole aggressiveness happens at the very top end of the driver response when the quality of phase plug kicks in and when the diaphragm begins to break up. 5Khz is MF that does not even need phase plug. It shall be nothing aggressive at 5K.

The Cat
 

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