Designing a Subwoofer with Hornresp

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I'm trying to get new woofers or build 4 TH18's ... I already have a Pair of dual 18 subs but they are bass reflex style subs (at least I think they are)...

I want to know #1 if I can model this box with horn resp... or do I need WinISD?

I want to know if the subwoofers that I want to buy will sound good based on what hornresp says... I already modeled input it into the XOC1 TH design and I like how it looks, but before I go on building a new box, I want to hopefully use the same old boxes and just replace the raw woofers...

Can I do this with HornResp?

I've looked for help but can only find how to model TH Subs..
 
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This year I "borrowed" for testing somewhere between 8 and 10 subwoofers from one popular car audio brand and not one came even close to what the data sheets implied, 5 or 10 years ago the sheet data was good to go, now it's all "fake news" :no:
 
Which box? No.

Which old box? Yes.

GM

So I have a current double 18 subwoofer... No brand, I want to create a model on so I can see how the woofers will respond on that box....

I don't have the specifications, WHD or internals but I do have a tape measure and pen and paper and i'm pretty good at math so I can figure out the volume, and port volume... my question is how do I put that into Hornresp...
 
OK, so it's just a box with vent that's got the column speaker on top? If so, then find its internal volume [Vb] minus any bracing, drivers, vent volumes [as a solid object], then input it in HR's Vrc field** and the internal depth behind the baffle in the Lrc field. Measure the internal surface [piston] area of the vent [assuming it's just a duct or pipe] and input in the Ap field and its internal length in the Lrc field.

** Note the program is metric, but if you highlight the field and press F6, a popup window appears to allow you to input either in the appropriate inches or feet.

GM
 
OK, so it's just a box with vent that's got the column speaker on top? If so, then find its internal volume [Vb] minus any bracing, drivers, vent volumes [as a solid object], then input it in HR's Vrc field** and the internal depth behind the baffle in the Lrc field. Measure the internal surface [piston] area of the vent [assuming it's just a duct or pipe] and input in the Ap field and its internal length in the Lrc field.

** Note the program is metric, but if you highlight the field and press F6, a popup window appears to allow you to input either in the appropriate inches or feet.

GM


Thanks that's what I was looking for, I couldn't find any videos or info online for HR on how to do this..
 
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