Usher 8137A Kevlar/Carbon Fiber 7″ Woofer

USHER 8137A
Usher 8137A Thiele & SmallUSHER 8137A THIELE SMALL

Ported Box=100 liters. F3=30HzUSHER 8137A PORTED 100L

Ported Box=75 liters. F3=30HzUSHER 8137A PORTED 75L

Ported Box=55 liters. F3=40HzUSHER 8137A PORTED 55L

Ported Box=45 liters. F3=40HzUSHER 8137A PORTED 45L

Sealed Box=55 liters. F3=55Hz, Q=0.71USHER 8137A SEALED 55L

Bandpass Box=55 liters. F3=40Hz-105HzUSHER 8137A BANDPASS 55L

Updated on June 30, 2018