Small waveguide for B&C DE10 - diy?

Defo · 19th September 2009, 07:45 PM

I need a small waveguide for the B&C DE10 from 3khz and up, and ive thought about making one my self out of MDF with inspiration from this thread. Im a quite a newbie when it comes to theory about horn loading and compression drivers, at least compared to some of the guys at this forum

Can I simply make a waveguide like the ones in the link? Just deep enough to support loading down to about 3khz?

ZilchLab · 19th September 2009, 09:42 PM

http://www.eighteensound.com/index.a...roduct&pid=179

Defo · 19th September 2009, 09:55 PM

Quote:

Originally Posted by ZilchLab

http://www.eighteensound.com/index.a...roduct&pid=179

Ive read that it has a bit of honk to it, but its an alternative for sure

Would prefer smaller circular one tho.

Defo · 23rd September 2009, 11:19 PM

Maybe something like these? Shouldnt be too hard to make... How critical is it to have the "right" expansion in such a small horn/waveguide?

rcw · 24th September 2009, 12:04 AM

If you use an o.s. type of contour up until the radius is around 19mm. and then a circular arc that meets the baffle and the o.s. contour a right angles, resulting in an overall 75mm. mouth diameter, you will just about have it.
rcw.

SunRa · 24th September 2009, 03:36 AM

Hello Defo, do you have any link for the speaker you posted? What's the size of the woofer? Say, 10" maybe?

Defo · 24th September 2009, 10:21 AM

Quote:

Originally Posted by SunRa

Hello Defo, do you have any link for the speaker you posted? What's the size of the woofer? Say, 10" maybe?

Its the top module of the Bastanis Mercury.

Defo · 24th September 2009, 10:23 AM

Quote:

Originally Posted by rcw

...If you use an o.s. type of contour...

Could you elaborate a bit?

stickinsect · 24th September 2009, 11:02 AM

What other drive units are you using?The B&C ME10 horn flares are very reasonably priced ,then you can lower the crossover frequency.

Defo · 24th September 2009, 02:01 PM

Quote:

Originally Posted by stickinsect

What other drive units are you using?The B&C ME10 horn flares are very reasonably priced ,then you can lower the crossover frequency.

The plan is to use the B&C PE32 in an Azura front horn with the DE10 placed a little below halfway "inside" the Azura. So the DE10+waveguide must be small, AND look good

19th September 2009, 07:45 PM	#1
Defo diyAudio Member Join Date: Nov 2008	Small waveguide for B&C DE10 - diy? I need a small waveguide for the B&C DE10 from 3khz and up, and ive thought about making one my self out of MDF with inspiration from this thread. Im a quite a newbie when it comes to theory about horn loading and compression drivers, at least compared to some of the guys at this forum Can I simply make a waveguide like the ones in the link? Just deep enough to support loading down to about 3khz?

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19th September 2009, 09:42 PM	#2
ZilchLab R.I.P. Join Date: Jan 2008	http://www.eighteensound.com/index.a...roduct&pid=179

23rd September 2009, 11:19 PM	#4
Defo diyAudio Member Join Date: Nov 2008	Maybe something like these? Shouldnt be too hard to make... How critical is it to have the "right" expansion in such a small horn/waveguide?

24th September 2009, 12:04 AM	#5
rcw diyAudio Member Join Date: Jul 2005 Location: sydney nsw	If you use an o.s. type of contour up until the radius is around 19mm. and then a circular arc that meets the baffle and the o.s. contour a right angles, resulting in an overall 75mm. mouth diameter, you will just about have it. rcw.

24th September 2009, 03:36 AM	#6
SunRa diyAudio Member Join Date: Aug 2004 Location: Romania	Hello Defo, do you have any link for the speaker you posted? What's the size of the woofer? Say, 10" maybe?

24th September 2009, 11:02 AM	#9
stickinsect diyAudio Member Join Date: Aug 2005	What other drive units are you using?The B&C ME10 horn flares are very reasonably priced ,then you can lower the crossover frequency.

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