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Multi-Way Conventional loudspeakers with crossovers

Boxsim design check please
Boxsim design check please
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Old 19th September 2018, 12:57 PM   #1
Ugg10 is online now Ugg10  United Kingdom
diyAudio Member
Join Date: Nov 2017
Location: UK
Default Boxsim design check please

I have been trying to get to grips with Boxsim for a 3 way floorstander.

So, have come up with the attached design using -

8" TIW200xs (sub) woofer - 60l vented 32hz - 2nd order low pass with fairly heavy notch filter
3.3" B80 dome mid - 3l closed - 2nd order high pass, 4th order low pass
G20SC tweeter - 2nd order high pass with 1st low pass
Box HxWxD 100x28x36cm
Xovers at approx 380hz and 3.8khz

TIW200 b80 G20SC passive4..JPG

TIW200 b80 G20SC passive4 xover.JPG

TIW200 b80 G20SC passive4.txt

(note, could not seem to attach the boxsim .bpj file to renames as txt, hopefully if you download and rename as .bpj it should import.)

Sim seems to produce a pretty nice plot with gentle slope from bass to treble of 3db and other then a slight issue at 900-100hz looks pretty much +/-1db throughout and a 30hz f3.

So, if there is anyone kind enough to review the design/crossover and let me have comments, pointers,edits then I'd be very grateful. Thanks in advance.

Last edited by Ugg10; 19th September 2018 at 01:01 PM.
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Old 19th September 2018, 04:55 PM   #2
Ugg10 is online now Ugg10  United Kingdom
diyAudio Member
Join Date: Nov 2017
Location: UK
Edit - just looked and I can get rid of the 6n80 uF cap on the mid driver without any effect making it a 3rd order low pass.
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