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Multi-Way Conventional loudspeakers with crossovers

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Old 17th March 2017, 03:24 PM   #11
scottjoplin is offline scottjoplin  Wales
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Originally Posted by anji12305 View Post
I applaud engineering that has 'designed complexity out'.

Simple is good
Then how about the Jordan with it's contraflex cone? Then in an open baffle for spatial imagining at it's simplest?
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Old 17th March 2017, 03:47 PM   #12
eriksquires is offline eriksquires  United States
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Briefly:

More directivity = easier to use in small/ less treated rooms. Higher clarity. Best imaging in sweet spot.

More dispersion (wider) = needs more space / room treatment. Good off-axis imaging .

Having a smooth off axis roll off is important, but becomes most important with 3+ way drivers.

Most people seem to like wide, as it gives best off axis imaging, but personally I bat for the narrow, focused team, and would rather have stellar imaging in a small location.

Best,

E
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Old 17th March 2017, 03:49 PM   #13
ewollowe is offline ewollowe  Australia
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Scottjoplin. Have you had a good read of Linkwitz' site mate?
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Old 17th March 2017, 03:59 PM   #14
scottjoplin is offline scottjoplin  Wales
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Oh yeah, spent a lot of time there, one of my favourites, I'm definitely an OB head for my sins. I like his philosophy on sound perception too....makes sense to me
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Old 17th March 2017, 04:06 PM   #15
DonVK is offline DonVK  Canada
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Originally Posted by scottjoplin View Post
Oh yeah, spent a lot of time there, one of my favourites, I'm definitely an OB head for my sins. I like his philosophy on sound perception too....makes sense to me
A very worthwhile read is Floyd Tool, Sound Reproduction.

Sound Reproduction: Loudspeakers And Rooms By Floyd Tool Loudspeakers, Rooms, and Books Aren't Perfect Review By Howard W. Ferstler Boston Audio Society Speaker Volume 31 No. 1
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Old 17th March 2017, 04:08 PM   #16
scottjoplin is offline scottjoplin  Wales
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Thanks Don
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Old 17th March 2017, 04:11 PM   #17
Xaborus is offline Xaborus  United States
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Great discussion so far! I wasn't expecting this many replies so quickly

I noticed a lot of talk among Linkwitz, Geddes, and Audio Kenesis (which I have to admit is a first for me )

I just wanted to point out the work of Mr. Elias Pekonen which is one of the most interesting and unfortunately ignored work I've ever seen. It was certainly the first time I've ever seen wavelet analysis. I think it was largely ignored due to the difficulties of language barriers unfortunately.

If anyone is interested in checking out his work, his website is here.

http://elias.altervista.org/html/Sin...kerStereo.html
http://elias.altervista.org/html/2_v...high_freq.html
http://elias.altervista.org

And one of the threads on DiyAudio here

Stereophonic Sound from a Single Loudspeaker

Last edited by Xaborus; 17th March 2017 at 04:19 PM.
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Old 17th March 2017, 04:35 PM   #18
DonVK is offline DonVK  Canada
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Quote:
Originally Posted by Xaborus View Post
Great discussion so far! I wasn't expecting this many replies so quickly

I noticed a lot of talk among Linkwitz, Geddes, and Audio Kenesis (which I have to admit is a first for me )

I just wanted to point out the work of Mr. Elias Pekonen which is one of the most interesting and unfortunately ignored work I've ever seen. It was certainly the first time I've ever seen wavelet analysis. I think it was largely ignored due to the difficulties of language barriers unfortunately.

If anyone is interested in checking out his work, his website is here.

http://elias.altervista.org/html/Sin...kerStereo.html
http://elias.altervista.org/html/2_v...high_freq.html
http://elias.altervista.org

And one of the threads on DiyAudio here

Stereophonic Sound from a Single Loudspeaker
This still uses 3 FR drivers. He's only solving the placement problem by using a single cabinet (like some Bose products). I can see some advantages to having a synthetic center channel from a stereo amp and using the walls to get lateral sound to the ears.
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Old 17th March 2017, 08:11 PM   #19
anji12305 is offline anji12305  United States
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Anji I'm curious if you have tried multiple CD's and if so what is your current favorite. I was planning on a Seas A26 kit but as of last night decided to do a Fusion-12 Tempest kit instead. I just can't deny the advantages of constant directivity- or atleast I'm just super curious on the constant directivity "sound".

Honestly I'd prefer to pay a bit more for the B&C driver over the supplied Denovo DNA-360, but DiySoundGroup states "no substitutions or subtractions". No idea how well subbing out a DE250 would work with the crossover either. Oh well, the Fusion-12 kit will be good enough to see if I like the sound or not to find out if I should learn crossover design and do something similar with the DE250.
I have some more expensive CDs and find the horn in front of them makes more difference to the overall sound than the drivers.

Most of my listening at home is under 95 db peak output, so modern CDs are loafing to handle their load.

The Tempest kit is optimized to the Denovo and there are thousands of happy builders.

It's a proven, stable approach that's hard to fault against most of your criteria.

Are you in the US?

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Old 17th March 2017, 08:14 PM   #20
anji12305 is offline anji12305  United States
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Originally Posted by scottjoplin View Post
Then how about the Jordan with it's contraflex cone? Then in an open baffle for spatial imagining at it's simplest?
Haven't heard it. I use a Bastanis 12" wideband in the Prometheus layout.

Much like my Quads for tone, but far more sensitive and just a little more dynamic.

Not bad for $500.

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