Diffusor cone profile

inrank · 14th January 2011, 04:01 PM

Which out of these two -

Diffusorkegel - Lautsprecher Selbstbau by blue planet acoustic

Would be the best profile for a full range driver, facing upwards / omnidirectional.

Cheers, Rob

Rudolf · 14th January 2011, 07:11 PM

The straight cone, definitely. If you don`t look at the driver as a point source, but a piston, the hyperbole doesn't make much sense.

Rudolf

Squeak · 14th January 2011, 08:59 PM

First off, if you are going to be using a diffuser cone with a fullranger, you better also employ a tweeter. Those things eat treble for breakfast.

The exponential profile goes on the assumption that most frequencies are generated at different places on the driver cone. The further from the center the lower. That is only partly true. The beaming of FR drivers is really due to HF being emitted all over the cone and the interference patterns of all those separate emitters being only mostly constructive in front of the driver.

kach22i · 09:36 PM

I didn't know you could buy those.

Buy two, then you could go as Madonna on halloween.

Have you seen this monster?

Best speaker by year? (or audio)

kach22i · 16th January 2011, 11:15 PM

This one seems to be more of a wide parabola.

Mirage OMNI 550
Floorstanding Speakers | Audioreview Blog

kach22i · 17th January 2011, 12:23 AM

Squeak · 17th January 2011, 12:25 AM

I'd wager the Mirages reflector is more for aestetics and marketing than sound. I don't think it does anything positive at least.
It's too small and the shape is wrong.

kach22i · 17th January 2011, 12:35 AM

Das Wundervolle Duevel Bella Luna by Steven R. Rochlin

Squeak · 17th January 2011, 08:14 AM

JBL 1970

kach22i · 17th January 2011, 10:37 AM

Quote:

Originally Posted by Squeak

JBL 1970

Did that come out before or after the Walsh Ohm series?

Similar aesthetics?

14th January 2011, 04:01 PM	#1
inrank diyAudio Member Join Date: Oct 2005	Diffusor cone profile Which out of these two - Diffusorkegel - Lautsprecher Selbstbau by blue planet acoustic Would be the best profile for a full range driver, facing upwards / omnidirectional. Cheers, Rob

14th January 2011, 07:11 PM	#2
Rudolf diyAudio Member Join Date: Mar 2003 Location: Germany	The straight cone, definitely. If you don`t look at the driver as a point source, but a piston, the hyperbole doesn't make much sense. Rudolf __________________ www.dipolplus.de

14th January 2011, 09:33 PM	#4
kach22i diyAudio Member Join Date: Oct 2009 Location: Michigan	I didn't know you could buy those. Buy two, then you could go as Madonna on halloween. Have you seen this monster? Best speaker by year? (or audio) __________________ Tubes and Martin Logan's Last edited by kach22i; 14th January 2011 at 09:36 PM.

16th January 2011, 11:15 PM	#5
kach22i diyAudio Member Join Date: Oct 2009 Location: Michigan	This one seems to be more of a wide parabola. Mirage OMNI 550 Floorstanding Speakers \| Audioreview Blog __________________ Tubes and Martin Logan's

17th January 2011, 12:23 AM	#6
kach22i diyAudio Member Join Date: Oct 2009 Location: Michigan	<meta name="description" content="Klipsch audio systems provide the true audio/video lover a wide variety of high performance loudspeakers and loudspeaker systems for music and home theater entertainment centers, including iPod speakers, multimedia s __________________ Tubes and Martin Logan's


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14th January 2011, 08:59 PM	#3
Squeak diyAudio Member Join Date: Jul 2007	First off, if you are going to be using a diffuser cone with a fullranger, you better also employ a tweeter. Those things eat treble for breakfast. The exponential profile goes on the assumption that most frequencies are generated at different places on the driver cone. The further from the center the lower. That is only partly true. The beaming of FR drivers is really due to HF being emitted all over the cone and the interference patterns of all those separate emitters being only mostly constructive in front of the driver.

17th January 2011, 12:25 AM	#7
Squeak diyAudio Member Join Date: Jul 2007	I'd wager the Mirages reflector is more for aestetics and marketing than sound. I don't think it does anything positive at least. It's too small and the shape is wrong.

17th January 2011, 12:35 AM	#8
kach22i diyAudio Member Join Date: Oct 2009 Location: Michigan	Das Wundervolle Duevel Bella Luna by Steven R. Rochlin __________________ Tubes and Martin Logan's

17th January 2011, 08:14 AM	#9
Squeak diyAudio Member Join Date: Jul 2007	JBL 1970

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