Celestion T5867A (18″ Cast Frame 600W RMS Pro Woofer)
Celestion T5867A Thiele & Small Parameters (before Break-in) Ported Box=75 liters • Fb=50Hz (Manufacturer’s T/S) Ported Box=100 liters • Fb=50Hz (Manufacturer’s T/S) Updated on Dec 6, 2023
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 >