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Multi-Way Conventional loudspeakers with crossovers

First CAD-based loudspeaker project
First CAD-based loudspeaker project
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Old 4th May 2021, 10:28 AM   #1
zamrate is offline zamrate
diyAudio Member
Join Date: May 2021
Default First CAD-based loudspeaker project

Hello community,
this is my first post. I built some speakers in the past, but never used any computer simulation to design them.
This time I designed a bass-reflex loudspeaker using Boxsim (Boxsim - Homepage) with Visaton drivers.
I have attached the frequency range that Boxsim computed. As you can see, I did a tradeoff of losing sensitivity for gaining bass response (the 10mH coil in parallel with the 2.2/1.5Ohm resistors is basically a low-shelf filter).
The frequency range, as seen on screen is +/-2dB @ 32Hz-20kHz which seems extremely good for a loudspeaker of this size - But that's all only on screen... Since I have no experience in this domain, I would like to get some approval/criticism from the loudspeaker experts in here. I don't want to build the speaker only to find out that it sucks. Therefore, please go ahead and let me know what you think of this design. All criticism welcome - but please always with rational arguments. Thanks in advance!

For reference, here are the drivers I used:
W 170 S - 4 Ohm | Visaton
G 20 SC - 8 Ohm | Visaton
Attached Images
File Type: png 1.PNG (56.1 KB, 75 views)
File Type: png 2.PNG (15.0 KB, 76 views)
File Type: png 3.PNG (13.8 KB, 76 views)

Last edited by zamrate; 4th May 2021 at 10:56 AM.
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Old 4th May 2021, 11:11 AM   #2
AllenB is offline AllenB  Australia
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Join Date: Oct 2008
First CAD-based loudspeaker project
Hi, zamrate. Since you are a new member, your posts and edits are under moderation.
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