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 Multi-Way Conventional loudspeakers with crossovers

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 Yesterday, 09:55 AM #11 Lojzek   diyAudio Member     Join Date: Feb 2012 Location: Croatia The is likely to originate from the fact that you were calculating two different things. The 1,700 Hz is about the frequency where the wave length of the sound approaches the diameter of the cone and it gives you a hint that this is the range where you should cross your woofer to the tweeter, not your case anyway. The other figure relates to baffle step frequency calculation. Whatever the results these calculators give you, it is merely general information. You will arrive at the point of making decisions once you start to measure and/or simulate the whole system (enclosure, drivers, filters). __________________ "Immer wenn du denkst es geht nicht mehr, kommt irgendwo ein Lichtlein her."
 Yesterday, 08:09 PM #12 Etaoin314   diyAudio Member   Join Date: Nov 2018 Location: Minnesota Thanks for your pateince with a novice! 1,700hz I just calculated based on taking my baffle width (20cm) and calculating the frequency for that wavelength 343m/s=0.2m*1715hz. now I am not sure if that is the correct way to estimate what frequency I will have to do my BSC. do I use the whole baffle width? Or do I have to use half the baffle width since the sound is coming from the center of the cone? Or do I calculate from the edge of the cone? Or is this just determined empirically and I should just choose a driver and go ahead and model it with a program.
 Yesterday, 08:23 PM #13 Juhazi   diyAudio Member     Join Date: Mar 2007 Location: Jyväskylä, Finland We have many easy simulator programs for speaker design that are free. But they require lots of basic knowledge. First you can study just some specific issues, before starting to put all together. The Edge helps to understand and study baffle and directivity effects. Another easy one is BDBS for Excel. Google for "issue" + simulation or program __________________ Radikal aktivist AINOgradient speaker project Last edited by Juhazi; Yesterday at 08:27 PM.
Lojzek
diyAudio Member

Join Date: Feb 2012
Location: Croatia
Quote:
 Originally Posted by Etaoin314 now I am not sure if that is the correct way to estimate what frequency I will have to do my BSC. do I use the whole baffle width? Or do I have to use half the baffle width since the sound is coming from the center of the cone?
The formula for the baffle step frequency:

f=115/baffle width; width in meters

Check the link in post #8.

baffle step frequency
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