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Re: Countering pipe modes

I should mention, ELENA's approach is necessary due to the horn's Fc being well above the Fr (back chamber resonant frequency) required to be much lower in frequency to capacitate the front reflex port which is tuned well below the horns Fc. The issue is exascerbated by the porting, in other words, as it means the driver cannot be annulled.

This is not quite the same as a front-loaded of short pathway length which is capable of being annulled. Through the combination of multiple flare-rates AND reactance annulling, the reactance problem cited previously caused by the short pathway is reduced sufficiently.

DM

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