AmpsLab-Spk

Usher 8137A Kevlar/Carbon Fiber 7″ Woofer

USHER 8137A

August 22, 2017HIFI DRIVERS, , , ,


USHER 8137A Thiele & Small Parameters

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

Sealed Box=27 liters • F3=55Hz • System Q=0.87 (DATS T/S)

Ported Box=27 liters • Fb=34Hz • System Q=0.87 (DATS 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)