Usher 8137A Kevlar/Carbon Fiber 7″ Woofer

USHER 8137A

USHER 8137A Thiele & Small Parameters

Thiele & Small Parameters (before Break-in)USHER 8137A THIELE SMALL

Ported Box=35 liters • Fb=41Hz • System Q=0.65 (Manufacturer’s T/S)

Sealed Box=35 liters • F3=60Hz • System Q=0.65 (Manufacturer’s T/S)
Ported Box=27 liters • Fb=34Hz • System Q=0.70 (Manufacturer’s T/S)

Sealed Box=27 liters • F3=59Hz • System Q=0.70 (Manufacturer’s T/S)

Ported Box=20 liters • Fb=40Hz • System Q=0.79 (Manufacturer’s T/S)

Updated on Feb 13, 2024