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Discussion Starter · #1 ·
I own a Theta Cassanova which provides NUMEROUS ways of setting up crossovers. I'm looking for some pointers to guide me in the right direction so I don't spend weeks trying to listen to all potential settings to determine which one is best. I realize that my ears will be the final judge, but all these choices are daunting. I'd like to narrow the choices down and then start listening to determine what sounds best.


My equipment consists of:


Theta Cassanova prepro

Front spkrs: Proac Tablette 50 (38Hz-20kHz +/- ?? dB)

Subwoofer: AV123 MFW-15 (18Hz-200Hz +/- 4dB)


The Theta provides the ability to configure different crossover settings for different inputs. So, I can have one setting when listening to music, and another for listening to movies. I use the system exclusively for music and movies.


Here is a list of the 3 types of crossovers I can choose from along with settings for each crossover type that can be adjusted:


Phase Perfect

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Frequency: 40,50,60,80,100,120,160 (Hz)

High Pass Slope: 6,12,18,24 (dB)

Phase: +,-


Butterworth

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Frequency High Pass: 40,50,60,80,100,120,160 (Hz)

High Pass Slope: 12,18,24 (dB)

Frequency Low Pass: 40,50,60,80,100,120,160 (Hz)

Low Pass Slope: 12,18,24 (dB)

Phase: +,-


Linkwitz-Riley

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Frequency: 40,50,60,80,100,120,160 (Hz)

High/Low Pass Slope: 12,24 (dB)

Phase: +,-
 

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I had the Casablanca which has the same choices. I used 12db per octave Butterworth and the crossover frequency that gave me the best sound when using a test disk like Avia. My fronts were set at 60hz, rears at 80hz and center 40hz BUT ALL of my speakers were rated from a minimum of 25Hz on up (large Dunlavys).


I also played with the Linkwitz as well. Just experiment. The only right choice is the one you like the best.
 
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