Thiele Small Parameters Calculator

 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 (-9 dB) at Rx: Hz
 Higher frequency F2 (-9 dB) at Rx: Hz
if Fs1 within 1 Hz of Fs:  Hz


 Voicecoil inductivity at 1000 Hz
 Impedance at 1000 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 =  um/N
 Sd =  cm2
 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.