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X1 Highpass Filter

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JD01 View Drop Down
Young Croc
Young Croc


Joined: 23 August 2004
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Post Options Post Options   Thanks (0) Thanks(0)   Quote JD01 Quote  Post ReplyReply Direct Link To This Post Posted: 10 October 2004 at 9:47pm

Of course, if you build already existing designs, they will perform like intended.

In my case most existing deisgns won't fit my needs.....

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freddyi View Drop Down
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Joined: 22 September 2004
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Post Options Post Options   Thanks (0) Thanks(0)   Quote freddyi Quote  Post ReplyReply Direct Link To This Post Posted: 10 October 2004 at 10:09pm
a diffraction slot filter in front of a hot 15"  would tend to even out hot spot and horizontal dispersion to ~60 degrees off axis - but might introduce a cavity resonance

one might muck with 7"x10" or 8"x11.5" ellipse  - oval could look "naughty" so reason nuff to use (?)

Cardboard Slot on PV http://home.earthlink.net/~buddhaboy2/PVLW
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JD01 View Drop Down
Young Croc
Young Croc


Joined: 23 August 2004
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Post Options Post Options   Thanks (0) Thanks(0)   Quote JD01 Quote  Post ReplyReply Direct Link To This Post Posted: 11 October 2004 at 4:43pm

This will indeed get us bandpass characteristics. Of course higher freqs will 'escape' because the 'hole' is directly in front of the speaker... but I guess the low mids (100-250Hz) won't be good....

It's not only beaming I was talking about. It's more the fact that the mids, even if the freq plot is smooth, won't be that detailed. I have some really smooth sounding 15/2 type cabs, but it isn't comparable to 10" and smaller mids.....

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