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15" mids enclosure

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RkH View Drop Down
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    Posted: 13 February 2017 at 12:09pm
Hi, does anyone know any 15" enclosure for mids? The idea is to play from 180 to 1khz on that loudspeakers. I've an olds 15" and i want to do somethings with 'em.

Any idea?
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cravings View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote cravings Quote  Post ReplyReply Direct Link To This Post Posted: 13 February 2017 at 12:43pm
altec 816?

or the similar eminence plan?

Edited by cravings - 13 February 2017 at 12:44pm
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Mark James View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote Mark James Quote  Post ReplyReply Direct Link To This Post Posted: 13 February 2017 at 2:39pm
what 15s have you got? that would tell us what cab they work best in
me so horny me love you long throw
horn loaded for her pleasure
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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: 13 February 2017 at 7:55pm
was gona say altec, or fane emmys, got some simlair desighns
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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Post Options Post Options   Thanks (0) Thanks(0)   Quote RkH Quote  Post ReplyReply Direct Link To This Post Posted: 14 February 2017 at 4:30pm
Hi, tnhx for de replies.

I've 4 of them, but the only with the model its Beyma 15G300 250watts.

Will it fit?
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Post Options Post Options   Thanks (0) Thanks(0)   Quote bass*en*mass Quote  Post ReplyReply Direct Link To This Post Posted: 15 February 2017 at 1:57pm
what do you need them for/intended application?
might be a cheaper and easier solution to put them in small sealed cabs or bog standard reflex rather than large Horns.
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Post Options Post Options   Thanks (0) Thanks(0)   Quote RkH Quote  Post ReplyReply Direct Link To This Post Posted: 15 February 2017 at 11:22pm
Hi,

the principal and only aplication will be used as a "dub soundsystem" style. 2 scoops down, 2 folded horns on bass, and the cabinet that im looking for should work with the beyma in the range of ~180-1000hz. Upside them i will put the classics 2x12" angled.

what do you think? can this beyma carry a good sound on that cabinet (supossing it only has 250w...)? I'm starting to think that won't be enough SPL on the midrange...


Edited by RkH - 15 February 2017 at 11:22pm
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Post Options Post Options   Thanks (0) Thanks(0)   Quote bass*en*mass Quote  Post ReplyReply Direct Link To This Post Posted: 16 February 2017 at 4:44pm
212s should meet the "folded bass" easily around 160hz-1200, if not swap those 2 horns for 4 15" reflex..
scoops 40-80, 15s 80-200ish, 212s+dedicated hf up

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Post Options Post Options   Thanks (0) Thanks(0)   Quote bob4 Quote  Post ReplyReply Direct Link To This Post Posted: 16 February 2017 at 5:29pm
these beymas look good on paper, go up to 4 kHz and have around 100 dB sensitivity. If all four are the same model you could probably just build 4 x closed box and use them as kick/mid to go straight up to meet a hf horn at 1 kHz? 

a closed or ported box is simple enough to build. Maybe make one and test how it sounds, if it can deliver what you need -> less complex system. Worth a try maybe

scoops + 15" BPH + 15" mid + 12" mid + hf - that's five way already, and you haven't even considered if  you also want piezos or bullets over that, or one of those sexy  two-way BMS drivers on top of that.

Also 12" straight horns without phase plug (I assume they don't have) don't make sense for over 1 kHz

look at king shilohs current sound for a random example (haven't heard it, no idea how good/bad), he has his weird scoops & 15" reflex kicks & top with direct radiating 10" + horn + bullets.  
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Post Options Post Options   Thanks (0) Thanks(0)   Quote bob4 Quote  Post ReplyReply Direct Link To This Post Posted: 16 February 2017 at 5:31pm
also please do tell us a little bit about yourself, if and what kind of experience you have building speakers / doing sound etc

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Post Options Post Options   Thanks (0) Thanks(0)   Quote RkH Quote  Post ReplyReply Direct Link To This Post Posted: 17 February 2017 at 2:59pm
Hi,

thanks for the replies, i really apreciate them. As I see you really putting a lot of interest i will deliver more information and photos.

On top of the 12" should go a 2" compression driver.. the model is beyma CP600Ti, here is the specifications:
RMS
60w @ 1khz
100w @ 2khz
Sensitivity : 110 dB
Lowest cross f.: 600hz

The waveguide is totally unknown and i the only think i know its made by aluminium, no dispersion angle, nothing.

 I know something about physics of sound, acoustics and psychoacoustics, as i've been studying for 2 years, but they didn't pushed to hard in the "custom" builds... so here i am with what i think its a good base for learn.

I'm asking for your opinions, i think it would go ok, drivers models: subs 2 18" pd18br40, lows 18" Beyma don't rememer de model, mids-high 12" probably some new eminence or fane.

What do you think?



Edited by RkH - 01 March 2017 at 10:22pm
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Post Options Post Options   Thanks (0) Thanks(0)   Quote bob4 Quote  Post ReplyReply Direct Link To This Post Posted: 17 February 2017 at 7:23pm
Originally posted by RkH RkH wrote:

Hi,

I'm asking for your opinions, i think it would go ok, drivers models: subs 2 18" pd18br40, lows 18" Beyma don't rememer de model, mids-high 12" probably some new eminence or fane.

What do you think?


yeah that sounds more sensible! Although I thought the beymas are 15"??

it depends a lot on budget, what size of events etc. you mentioned dub as genre?

you haven't mentioned if you have any kind of amps, processing, mixer or reggae preamp, what kind of playback sources (vinyl/digi?). 

my personal opinion:

Especially if you plan to build up your sound slowly/bit by bit, and your events are not very big, I would again suggest to start three way with 18" scoops + direct radiating (closed box or reflex) 15G300 kick/mid  (~100 Hz - 1000 Hz)  + Hf horn, to gain some experience in the whole process. Use what you have & start simple! 

You can later add some front loaded 12" horns like MT121 to cover 200 - 1000 Hz if you need more output. 

Regardless, you're going to have loads of fun! Beer




Edited by bob4 - 17 February 2017 at 7:24pm
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