ehmmm... I make another stupid mistake, the previous sim is bms 12n804 loaded, shame on me. Here's the correct one 70 to 100db.
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Yes i adjusted the the driver height due to the rear baffle distance. So I added a double baffle and because of double rear baffle the depth was encreased a bit. ndl76 has a tiny magnet so I don't think is necessary to adjust the height, the driver in the drawing is rcf mb12g301 sketch.