michael chuaApril 30, 2018Car Subwoofers12", Car Subwoofers, PW1290, Pyramid, Vintage Vintage Pyramid PW1290-US Thiele & Small Parameters Ported Box=45 liters • Fb=48Hz (DATS T/S) Ported Box=55 liters • Fb=48Hz (DATS T/S) Ported Box=75 liters • Fb=45Hz (DATS T/S) Updated on Nov 2, 2023
