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Re: Direct Sound, Early Reflections, and Tone



Yes.

One must short out the additional unpowered cabinets or they will cause weird peaks and dips in addition to providing a larger boundary.


Multiple Cabinet Combined Response - diyAudio


Horn Extender/Wave-guide for TH - diyAudio


A large array becomes an additional boundary which increases forward directivity, which imparts low frequency gain in addition to the 6 dB  of doubling radiation area and power.

Cabinets with large frontal area compared to the horn exit or driver and port area may exhibit additional low frequency gain in addition to the 6 dB of doubling radiation area and power.