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es18bph - SD18

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deejayraj786 View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote deejayraj786 Quote  Post ReplyReply Direct Link To This Post Posted: 21 February 2015 at 7:11am
ple gv me the detail measurements of ur designClapSmile
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DMorison View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote DMorison Quote  Post ReplyReply Direct Link To This Post Posted: 21 February 2015 at 1:17pm
Google is your friend..... Wink
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KMB View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote KMB Quote  Post ReplyReply Direct Link To This Post Posted: 11 October 2017 at 10:12am
I have a question about the freq response of the es18 or es218 bins.
Can it run 92 - 360 hz properly?
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Peter Jan View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote Peter Jan Quote  Post ReplyReply Direct Link To This Post Posted: 11 October 2017 at 11:50am
Originally posted by KMB KMB wrote:

I have a question about the freq response of the es18 or es218 bins.
Can it run 92 - 360 hz properly?

Being a bandpass design, no, it won't do that.
Solid 60-65 up to 180-200 Hz. Either end of the spectrum it's respons drops fast.

What you need, is a low-mid cab, with 12" or 15" speakers, not not a kickbass cab with an 18" in it.

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KMB View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote KMB Quote  Post ReplyReply Direct Link To This Post Posted: 11 October 2017 at 1:39pm
Okay thanks,

do you have some good suggestions for 15" bins for 90-360hz?
Like HD15 or something?
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Peter Jan View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote Peter Jan Quote  Post ReplyReply Direct Link To This Post Posted: 11 October 2017 at 2:36pm
Though HD15 is smaller and is/was intended to start working somewhat higher up than ES18BPH, same problem, bandpass design, so limited in bandwidth too, In any case the high end comes about an octave short (region that covers ~180-360 Hz) for your need with these two designs.

The solution would be either a straight (or gently curved) front loaded horn (FLH) or a reflex design (BR) with 2 speakers to make up for the extra sensitivity BPH or FLH yield over a BR design.

a FLH tends to get pretty big and complicated in construction and I would also only take that route if used in multiples.
For smaller setups, BR is by far much easier in construction and more manageable in size. Respons/SPL prediction is pretty easy too.



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