From Nelson Pass: Slot Loaded Open Baffle Project

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baffle trim BE@ Ea Recessed low

RandyB is correct about the low acoustical output of OB woofers, which is why I built slot loaded U-frames similar to the photo below for my I decided to try and build an open baffle speaker today with a old tannoy 15 I had lying around

jackpot slot machine las vegas Slot loading effectively increases cone mass, which reduces fs and increases Qts Sensitivity is also decreased Air volume between cone and something custom would be required since there was very limited selection in the market for a horn loaded open baffle speaker I went t