Here is the kind of problem I was thinking of: http://www.diyaudio.com/forums/multi...ml#post4129886
Here is the kind of problem I was thinking of: http://www.diyaudio.com/forums/multi...ml#post4129886
Thomas,
That discussion seems to be about the design of the Radian drivers, not the diaphragms. Unless I'm missing something.
Francis
Oppo BDP-95 DCX-2496 RMX-850 Parasound A21 First Watt J2 Dayton RSS390HF-4 MTM Quads of SEAS W18E001 511Bs TAD TD-2002
It seems to be (partly?) related to the surrounds:
I know one trick that was often used on the older Radian drivers was to punch holes in the Mylar surround used on those Radian drivers, the Mylar is too stiff and non linear in the way it is used.
Well FWIW, when we measured the 2426 with Radian diaphragm using a 511B horn, there were no upper frequency notches.
Oppo BDP-95 DCX-2496 RMX-850 Parasound A21 First Watt J2 Dayton RSS390HF-4 MTM Quads of SEAS W18E001 511Bs TAD TD-2002
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