help with designing kick |
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totalAudio
Registered User Joined: 29 October 2015 Status: Offline Points: 27 |
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Posted: 31 May 2020 at 6:37pm |
Hi guys, im just wondering if anyone could help shed some light on something for me.
im about to start designing a cab but im not sure of what type of cab it is i need to select on horn resp? i have read through the guide on here so i know what horn resp is and how to use it (pending real trial) the attached image will show what sort of cab im planning on building, any help will be appreciated, thanks. Edited by totalAudio - 31 May 2020 at 6:42pm |
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Jo bg
Young Croc Joined: 08 March 2017 Status: Offline Points: 552 |
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You need to select OD option for offest driver horn.
First segment will be from start ofthe horn to middle of the drivers, second from middle of the drivers outward, you can use third and fourth to model expansion to the mouth. You can put volume inside cone of drivers in vtc OR account for that volume at s2
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Jo bg
Young Croc Joined: 08 March 2017 Status: Offline Points: 552 |
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I think you will nothave much at kick frequencies with a horn that short, the cabs beneath seem more like it.
You could port your design to extend lower.
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totalAudio
Registered User Joined: 29 October 2015 Status: Offline Points: 27 |
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that's great thank you jo :)
i had looked at this earlier but just wasn't if it was correct or not. As for not getting much kick i may have my freq. ranges wrong the depth of the horn in the picture is 80cm, i will change this depending on outcome as im not replicating but remodelling in a modern driver scenario my intended freq. range is going to be from 100hz to 350hz which the cabs pictured above run very easily (they are owned by myself ) i will update with my progress, thanks for helping me find my direction |
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Jo bg
Young Croc Joined: 08 March 2017 Status: Offline Points: 552 |
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If you post here your sim we can help.
To verify usable output put filters in place eith the filterwizard and check excursion and driver power. Use multiple speaker option if going to use this in multiples. The hornn seemed shorter from the pic , itcould work.
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totalAudio
Registered User Joined: 29 October 2015 Status: Offline Points: 27 |
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Ok so I managed to run a sim of (what I think) is the correct thing I want.
Would you mind taking a look and just seeing if im on the right track? The calculations come back pretty horrible but in the right direction possibly I'm pretty new and this is the first sim I've managed from start without following an example Yeh the pic looks really bad for depth and size ref :P All help is greatly appreciated, regards Terry Edited by totalAudio - 02 June 2020 at 10:34am |
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mobiele eenheid
Old Croc Joined: 15 August 2004 Location: Netherlands Status: Offline Points: 1568 |
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The last part of the horn near the mouth doesn't look like it's a straight section in the picture, it looks like it has the highest flare rate of all the sections. If that's correct (hard to see) then your 3th segment is of. Something always good to check is, if your simulated system volume, plus wood/ material, etc. adds up to same external volume of your cabinet. It's usually a quick way to see if you're on the right track.
Edited by mobiele eenheid - 02 June 2020 at 12:08pm |
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totalAudio
Registered User Joined: 29 October 2015 Status: Offline Points: 27 |
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Ok I will get that checked out, Thank you
I have uploaded some pictures below that hopefully show the horn better. A question, I have read through the hornresp guide here in the forums and still find unclear how to make the top and bottom parallel? Im probably missing something easy, but the help file on hornresp is long since dead on my OS. Many thanks |
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mobiele eenheid
Old Croc Joined: 15 August 2004 Location: Netherlands Status: Offline Points: 1568 |
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Set the cursor on the segment length and press P, that changes it from CON to PAR, however the factual difference in simulation is minor.
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Jo bg
Young Croc Joined: 08 March 2017 Status: Offline Points: 552 |
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S1 seems way to big, at horn start the volume seems minimal.
The cab seems expanding faster (good thing ) in the last section, while you keep s4 same size as s3, as if the walls were parallel.
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totalAudio
Registered User Joined: 29 October 2015 Status: Offline Points: 27 |
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Thanks guys.
I have been fiddling all day until I picked up my daughter and have managed to work out some of the kinks. Still got some to work out but it looks pretty promising. I will post more HR data tomorrow when I get access to the computer again. |
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totalAudio
Registered User Joined: 29 October 2015 Status: Offline Points: 27 |
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Ok, as I promised, the current sims for my project:
I know this is not really finished just wondering what you guys think so far? This is my first sim and I'm really enjoying learning. All help is appreciated and all comments welcomed. Edit: Can anyone explain where this phenomena comes from? is it driver or horn characteristic maybe? How could I combat this? Edited by totalAudio - 03 June 2020 at 2:41pm |
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