Please notice that Devialet crossover is not working correctly. Devialet 1st order is -3db on set frequency, 2nd order -6db, 3rd -9db, 4th -12db.
2nd order is the only one what is working as normal LR crossover.
You can use these correction to get crossover working as should.
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
2nd order is the only one what is working as normal LR crossover.
You can use these correction to get crossover working as should.
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