Thiele Small Parameters Calculator
Brand and type speaker:
Diameter speaker cone Dd (half rim):
cm
DC resistance Re:
Ohm
Resonance frequency Fs:
Hz
Rmax at resonance frequency:
Ohm
Rx =
Ohm
Lower frequency F1 at Rx:
Hz
Higher frequency F2 at Rx:
Hz
if Fs1 within 1 Hz of Fs:
Hz
Voicecoil inductivity at 10000 Hz
Impedance at 10000 Hz:
Ohm
of the voicecoil =
mH
1 Euro = 7.5 grams, 2 Euro = 8.5 grams.
Extra Mass Ma: (Ma ~ Mmd)
gr
Enter the lower resonance frequency Fsa:
See Fsa = 0.5 - 0.75 * Fs and Fsa > 10 Hz
Hz
the Thiele Small Parameters of this speaker:
Qms =
Qes =
Qts =
Cms =
�m/N
Sd =
cm�
Mmr (Air mass) =
gr
Mmd (Diaphragma mass) =
gr
Mms (Total mass)=
gr
Vas =
liter
BL product =
T*m
Reference efficiency =
%
SPL =
dB/W/m
EBP = Fs / Qes
EBP 40...80
EBP 80...125
EBP from 125
Closed or 4th order BP.
Vented or 6th order BP.
Basshorns or Midrange.
Hc =
mm
Hg =
mm
X-max =
mm
Pe =
Watt