I´ve recently deleted my plans , as I sold the bin. :-(
It was quite compact box. 54x58x75cm made of 15mm baltic birch with some reinforcements/bracing.
Four triangular ports in each corner, 16cm on the shorter sides of the port. There was 12,5cm of the clearance between the ports and rear wall. It´s been tuned to 33,5Hz. You can try tro draw a plan from that.
The box can be seen here:
ReproMania.NET - Pro lepši zvuk • Zobrazit tema - P: Subwoofer B&C 18SW115 3400/1700w - velmi dobry stav
I jumped onto 21", as B&C does drivers are fitting in very well into small enclosures. It basically takes the 18" enclosure volume.
Here is how it ended up with 175l box for the 21":
ReproMania.NET - Pro lepši zvuk • Zobrazit tema - B&C Speakers 21SD115
(the last graph is with brutal EQ for home usage).
One "angry" 5.7' guy can grab it and put it into the car, so it´s not super heavy either.
It was quite compact box. 54x58x75cm made of 15mm baltic birch with some reinforcements/bracing.
Four triangular ports in each corner, 16cm on the shorter sides of the port. There was 12,5cm of the clearance between the ports and rear wall. It´s been tuned to 33,5Hz. You can try tro draw a plan from that.
The box can be seen here:
ReproMania.NET - Pro lepši zvuk • Zobrazit tema - P: Subwoofer B&C 18SW115 3400/1700w - velmi dobry stav
I jumped onto 21", as B&C does drivers are fitting in very well into small enclosures. It basically takes the 18" enclosure volume.
Here is how it ended up with 175l box for the 21":
ReproMania.NET - Pro lepši zvuk • Zobrazit tema - B&C Speakers 21SD115
(the last graph is with brutal EQ for home usage).
One "angry" 5.7' guy can grab it and put it into the car, so it´s not super heavy either.
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