Thiele Small

DC resistance [Ohm]

Voice coil induction [H]

Resonance frekvens free air [rad]

Mechanical resistance [kg/s]

Suspension complaince [m/N]

Effective cone diameter [m]

Effective piston area [m^2]

Equivalent volume of driver [m^3]

Force factor [T*m]

REF level at 2.83 Volt (1 watt 1 meter) [dB]

Constants

Volumen of enclosure

[m^3]

HiFi power amp output resistance

[Ohm]

Density

[Kg/m^3]

Sound speed in air at 20 degrees [C]

[m/s]

Equations for transferfunction

Acoustic complaince of air in enclousure

Acoustic compliance of suspension

Compliance ratio

Total system acoustic compliance

Acoustic resistance of driver suspension

Acoustic resistance of enclosure losses
caused by internal energy absorption

Total system acoustic resistance

Acoustic resistances calculated to electrical

Resonance freq. of system [rad/s]

Resonance freq. of system [Hz]

Total Q of system af fc

Acoustic mass of driver in enclosure incl. air load

Acoustic mass calculated to electrical

Q of system af fc considering only non eletrical
resistances

Time constant for wc

Upper limiting frequency for model

Displacement, membran forskydning

Systemets impedans

ANALOG Sweep and functions

Start-freq

End-freq

Points.

Index

Log sweep

dB calc