alex-z

ECM8000 is quite accurate at low frequencies even without calibration. Use that with Room EQ Wizard for your tuning...

Belief is fleeting, a measurement mic is the proper way to tune a system. Also, if you are just stacking the subwoofers that might be...

Here is some measurements the 2 polar plots and inverted polarity test measurements are real measurements. This is still test crossover...

Bass quality is almost always limited by room acoustics, or the quality of the subwoofers. Before you spend $600 on a new crossover...