Pyramid PW1870-US 18″ Cast Frame Subwoofer Thiele/Small
Pyramid PW1870-US Thiele & Small Parameters Recommended for In-Car Use Ported Box 20cuft. F3=29Hz Recommended for In-Car Use Sealed Box 8cuft. F3=42Hz Sealed Box 15cuft. F3=37Hz, Q=1.07 Sealed Box 25cuft…. Read more >