Running from a Hypex FA123, would it be possible to get cardioid pattern with this setup? Similar drivers on front and back, one on the back in reverse phase. Is it smarter to run the drivers on the back crossed only to reproduce bass frequencies? Hypex would allow adjusting negative woofer level for more or less cardioid effect?
Monopole+dipole=cardioid if i understand correctly.
Yes, but only after the dipole has been equalized to flat and the SPL of monopole and dipole on axis is the same.
Summing a monopole and cardioid can work OK at low frequencies, but at higher frequencies (well below the crossover point to a tweeter) the pathlength between sources causes problems.
Thanks, so playing around with this setup can work. Takes alot of testing and tuning, but is possible. My thought was to drive one woofer at front to crossover point other woofers would cross off at baffle step frequency. Just trying to get cardioid in bass territory to make it suitable for close to wall positioning.
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