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Old 21st February 2013, 06:18 PM   #111
tinitus is offline tinitus  Europe
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I meant a tweeter horn

one of the smaller lecleach look real good
and the cheapest Faital Pro 1" CD is very good

and lift it on a stand besides the sub

if you can make it work, it might be hard to find anything better
but ofcourse we always try
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Old 21st February 2013, 06:43 PM   #112
Helmuth is offline Helmuth  Netherlands
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Speaker Detail | Eminence Speaker

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Old 21st February 2013, 06:48 PM   #113
tinitus is offline tinitus  Europe
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might be ok driver for a big mid horn in a 3way
but its not a 2way driver

btw, Im going to use black acoustic foam for my big mid horns
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Old 21st February 2013, 06:58 PM   #114
tinitus is offline tinitus  Europe
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that monster horn looks like a real 'shouter'

I recommend flat/shallow waveguide
much less complicated

your worst problem with a big midrange horn might be smooth transistion to the tweeter horn
you need something that matches in size and shape, and should look like they belong together
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Old 21st February 2013, 07:14 PM   #115
Helmuth is offline Helmuth  Netherlands
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JBL wave guide.
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QSC PL-000446GP Replacement Waveguide Horn for HPR152i 245-625

Not expensive and better then a horn.
Denovo SEOS-12 Waveguide 2/3 Bolt Gloss with Adapter 300-7069

celestion
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Celestion CDX1-1425 Neo 1" Compression Driver 25W 294-2132

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Old 21st February 2013, 07:52 PM   #116
tinitus is offline tinitus  Europe
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pick your tweeter horn(anyone you like)
and then build a simple wooden waveguide for the Beta8 or whatever driver, so that its magnet alligns with tweeter horn throat(approxiametly)

and you have something to play with for while
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Old 21st February 2013, 08:41 PM   #117
Helmuth is offline Helmuth  Netherlands
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looks like a nice mid.Eminence LA6-CBMR 6

http://www.eminence.com/pdf/LA6_CBMR.pdf


See the response.
http://www.parts-express.com/pe/show...number=290-542
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Last edited by Helmuth; 21st February 2013 at 08:44 PM.
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Old 22nd February 2013, 01:55 PM   #118
DaveCan is offline DaveCan  Canada
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What about trying a 1.4'' coaxial compression driver like the BMS on a horn mated to a good 15'' or two? Super high sens for sure
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Old 22nd February 2013, 02:08 PM   #119
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Yep, I know I am difficult and going around circles, but I am really biased towards a Bin Bass (Bass reflex for instance) and a Horn that can do all the work.
Helmuth proposed that at the start of the tread, but then I started arguying about highs dispersion. and we started adding more drivers.
When I talked about JBL 2405, to improve dispersion, we start talking about combing filtering.

I like the original 2 way proposal. And if I want to add a tweeter later, seems like combing filtering shouldnt be an issue at arround 10khz.

For me, adding a paralel tweeter with a cap, doesn't look like adding another way to the XO....

The other important thing to remember is that I need speakers for a 71A tube amplifier, that is 0.7W rms.
So I need >100db of sensitivity.

I think I can start experimenting with my current OB bass bin (Omega18) and change that later.
I will use my DAC and a small SS to power the bass.
That will give 0.7W for Mid and Bass.

So I should be basicallly looking just for a good Mid/High Horn that can matches a 15inch/18inch driver.
And also, a nice waveguide for this.

Last edited by charly chile; 22nd February 2013 at 02:13 PM.
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Old 22nd February 2013, 02:30 PM   #120
Helmuth is offline Helmuth  Netherlands
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Charley when you make up your design goals, then it will become automatically clear witch options will be Left.

100dB 1Wmtr
40Hz-20000Hz
1-2-3-4way?
max dimensions, height, with, deepness?
max power 10W?
steepness filter first,second or fourth order filter.
Maximum cost?


Point to concider:
Waveguide compared to horn is short and wide that will cause less coloration with about same efficiency.
The short wave guide will better match a super tweeter less time delay closer ctc.

A front-loaded bas horn like la scala will make 100-106dB 1wmtr possible and even 110dB in a corner that even with your current omega 18 that does surprisingly well in the simulation. Will make it hard to go 2 way it will become a 3 Way.

A high efficiency mid cone driver is very robust when crossed low. And cost much less then a horn high-frequent driver combination . And it is also much more compact. So you can buy a better 1" HF driver and capacitors.
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Last edited by Helmuth; 22nd February 2013 at 02:42 PM.
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