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Crossover points three way

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Zebby dubwise View Drop Down
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    Posted: 28 September 2018 at 5:22am
Hi.

Building a three-way sound system for roots reggae and am considering the following crossover points:

Bass - up to 100hz
Mid - Over 100hz to 5khz
Treble - Over 5khz

Am wondering if anyone can confirm if this is adequate, or not.

Bless and thanks.
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mini-mad View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote mini-mad Quote  Post ReplyReply Direct Link To This Post Posted: 28 September 2018 at 6:09am
List your equipment.
If it sounds like a gorilla is trying to escape, turn it down.
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dj jammin View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote dj jammin Quote  Post ReplyReply Direct Link To This Post Posted: 28 September 2018 at 10:52am
The cross-over points seem fine.. but if you start with that you need your speakers to be happy in those bands.. if its scoops your planning on 100 may be too high.. for bass reflex 100 would be fine.. 
100 to 5k is a very wide freq band for any single speaker, maybe a full range box with a 12 and a comp with its own passive crossover would work here.. 5k and up is good for tweeters
might be more practical to cross somewhere between 2 and 3k..

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toastyghost View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote toastyghost Quote  Post ReplyReply Direct Link To This Post Posted: 28 September 2018 at 12:20pm
100-5k is a HUGE ask for a single driver or horn. Not even F1 axe-head achieve that, and a reflex loaded cone will beam like a laser above 1k.
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Dub Specialist Sound View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote Dub Specialist Sound Quote  Post ReplyReply Direct Link To This Post Posted: 28 September 2018 at 12:26pm
Tbh there are old skool drivers about still can deleiver that freq band with ease

modern drivers forget it....
Musical Roots Reggae Vibration is Life! for music is sound...sound is vibration...vibration is energy... and energy begets life. Therein lies my passion!...MUSIC IS LIFE...
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Jo bg View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote Jo bg Quote  Post ReplyReply Direct Link To This Post Posted: 28 September 2018 at 12:30pm
Originally posted by Dub Specialist Sound Dub Specialist Sound wrote:

Tbh there are old skool drivers about still can deleiver that freq band with ease

modern drivers forget it....

maybe that can deliver the frequency band, but won't they beam like lasers in the last 2 octaves?
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Zebby dubwise View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote Zebby dubwise Quote  Post ReplyReply Direct Link To This Post Posted: 28 September 2018 at 9:13pm
dj jammin. Thanks for feedback. Will be using bass reflex. Re midrange, I've replied to all separately. Bless!
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Zebby dubwise View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote Zebby dubwise Quote  Post ReplyReply Direct Link To This Post Posted: 28 September 2018 at 9:19pm
Thanks all for your input. Yes, I envisaged midrange as the challenge. It is a wide band which makes me wonder what other three-way sounds do. Perhaps they have a shorter band but doing so is likely to eliminate some of the source audio. e.g. low mids and high mids. How important are low mids and high mids to a roots reggae sound? In other words, if it was mid mids only, would the absence of low mids and high mids be that noticeable? Giving max thanks!
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Zebby dubwise View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote Zebby dubwise Quote  Post ReplyReply Direct Link To This Post Posted: 28 September 2018 at 9:21pm
Dub Specialist. Thanks for response. How do those old school drivers actually sound given the wide midrange band? Give thanks!
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toastyghost View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote toastyghost Quote  Post ReplyReply Direct Link To This Post Posted: 28 September 2018 at 9:27pm
Originally posted by Jo bg Jo bg wrote:

Originally posted by Dub Specialist Sound Dub Specialist Sound wrote:

Tbh there are old skool drivers about still can deleiver that freq band with ease

modern drivers forget it....


maybe that can deliver the frequency band, but won't they beam like lasers in the last 2 octaves?


Yes, physics hasn't changed.
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