TL Calculator
Atl: Qts:
Sd: Fs:
Ds= C'=
TLl= Vb=
Amt=
Square Meters
Square Inches

Atl: area of transmission line along length of line. Usually 1.25 - 2 times the Sd.
Sd: area of the driver cone.
Qts: Q of the driver which is usually given by the manufacturer.
Fs: the resonant frequency of the driver.
Ds: the stuffing density using Acustastuff.
C': the speed of sound through the stuffing.
TLl: the length of the tl.
Vb: the volume of the tl.
Amt: the amount of stuffing in ounces.