Okey, so some data.
Under you see the measurement taken from pre out of D250 Pro. We did check and also speaker output crossover does work the same way.
Measured is fullrange and 250hz 1-4 order crossovers, high pass and low pass.
You can see from the measurements that 1st order crossover does give -3db on crossover freq, 2nd order -6db, 3rd order -9db and 4th order -12db.
So basically Devialet does multiply 1st order crossover 1-4 times. This means that you can use same filter order for high pass and low pass only for 2nd order crossover. Other crossover filters need to be build with calculation I sent earlier.
Order
LP=>-6dB ... -6dB=>HP
HP=>-6dB ... -6dB=>LP
1st 1.733 ... 0.577
2nd 1.000 ... 1.000
3rd 0.765 ... 1.307
4th 0.643 ... 1.556
So for 2nd order crossover you can use this without adjustments. 1000hz is 1000hz crossover point.
But for example 1000hz 1st order crossover point are... low pass is 577hz and high pass is 1733hz.
Under you see the measurement taken from pre out of D250 Pro. We did check and also speaker output crossover does work the same way.
Measured is fullrange and 250hz 1-4 order crossovers, high pass and low pass.
You can see from the measurements that 1st order crossover does give -3db on crossover freq, 2nd order -6db, 3rd order -9db and 4th order -12db.
So basically Devialet does multiply 1st order crossover 1-4 times. This means that you can use same filter order for high pass and low pass only for 2nd order crossover. Other crossover filters need to be build with calculation I sent earlier.
Order
LP=>-6dB ... -6dB=>HP
HP=>-6dB ... -6dB=>LP
1st 1.733 ... 0.577
2nd 1.000 ... 1.000
3rd 0.765 ... 1.307
4th 0.643 ... 1.556
So for 2nd order crossover you can use this without adjustments. 1000hz is 1000hz crossover point.
But for example 1000hz 1st order crossover point are... low pass is 577hz and high pass is 1733hz.
