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Multi-Way Conventional loudspeakers with crossovers

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Old 15th December 2009, 06:38 AM   #21
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Old 15th December 2009, 07:04 AM   #22
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Most of my speakers use the classic series or AR series (capped) and are very easy to implement. If you want to play with some simulations try Jeff Bagby's SCD as it is very good and caters for AR series as well. It only does 2-ways but that covers the majority of needs.

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Old 15th December 2009, 07:55 PM   #23
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Quote:
Originally Posted by thunk303 View Post
...Im using Dual Peerless 6" 850439's with xt25tg30-04 in D'Appolito setup.

...Is the xo frequency 2K? Should I be downloading software to do this or just give it a crack?
In D'appolito setup you have now about 4ohms impedance.

With AR SXO in capless version the impedance will drop to 3 or 2omhs depending of R1.
If it is a problem to your amp, dont remove cap.


I dont have any problem whith XT25 in capless.
Whith cap XT is more protected but dont show all the performace he can do.

I dont now exactly the xo frequency, but whith my units and in my measurements not precise, is about 2K.

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Old 15th December 2009, 08:33 PM   #24
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be aware that using a series crossover with the same on axis responds than say a LR4 you end up with a very different radiation pattern. for me that explains most of the audible differences. i also found it difficult to design a series crossover with a neutral response say accurate to +-2DB without ending up with MORE components then the parallel alternative. the only advantage i see is that usually coils in series with the woofer are smaler.
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Old 16th December 2009, 11:33 PM   #25
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Wellcome Joachim, and tanks.

I am big admirer of yours speakers projects.

Best regards

Last edited by carlomar; 16th December 2009 at 11:36 PM.
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Old 17th December 2009, 12:35 AM   #26
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thank you. i am happy to have an admirer in lisbon, one of the most interesting places in europe.
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Old 17th December 2009, 10:35 PM   #27
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thank you. i am happy to have an admirer in lisbon, one of the most interesting places in europe.
So, you Know Lisbon.
I'm not tour operator, but when you come to Portugal, if you need a tour leader,
email me.
Will be a honour to me.
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Old 17th December 2009, 10:46 PM   #28
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Yes i was in Lisbon. I have a friend in Estoril. In fact his parents life there. I remember Lisbon because not the least the seafood and that special roasted chicken. Ones i was in a seafood restaurant and some Japanese got a big seafood platter. The platter fell to the floor and the Chef just picked up the stuff and served it again. You had to see those faces ! Absolutely timeless. I am also a big fan of modern Fado. I also had an Importer for Audio Physic there when is was the CEO many years ago. When i come in the area we should meet. Two audiophiles is always fun.
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Old 8th February 2010, 10:04 AM   #29
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Default AR-SXO crossover

Hi friends,
I made week ago 2-way loudspeaker box ( not Vifa or Scan-Speak drive-units ) with AR-SXO capless crossover. Sound is very good but resistor 8,2 ohm 20W is as cold as ice. Does the capless crossover works properlly ?
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Old 8th February 2010, 12:25 PM   #30
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Looks darn good but doesn't the tweeter lose a lot of sensitivity going through that
resistor?
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