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Mid-bass Horn Design help
Mid-bass Horn Design help
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Old 7th February 2019, 03:40 PM   #1
Rob Dingen is online now Rob Dingen  Netherlands
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Default Mid-bass Horn Design help

Hi,

Bin lurking a lot of time at this forum for a good mid bass horn design but can't find the right solutions or designs. There are no measurements available so it's difficult to evaluate. I use a A-290 Uchi horn and have a 200Hz tractrix horn so I want to cross at 500/600Hz I have no driver and want to look at a 12" or 15" also want a straight horn. What should I build round tractrix or square or simpel conical. Freq range from 80/100 Hz to 500/600Hz. Maybe a dual 12" conical. I have no budget because I build everything myself and I don't care if the driver is expensive but it should be easy to get. Can you guys help me out to make the right decision on the build. I can measure the speakers and now a little of Hornresp.

Thanks
Rob
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Old 7th February 2019, 03:55 PM   #2
djn is offline djn  United States
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Are you saying you want replace the track tricks horn you're using now
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Old 7th February 2019, 04:02 PM   #3
djn is offline djn  United States
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Is this what you are looking for?

Conical Midbass Fronthorns – Volvotreter Homepage
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Old 7th February 2019, 05:21 PM   #4
freddi is offline freddi  United States
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Mid-bass Horn Design help
a JWC Mini-Punch (vented back chamber) would be the size of a Klipsch Belle -

perhaps check out John inlow's site inlowsound.com


"JWC Mini-Punch"

retro vintage modern hi-fi: JWC DIY Mini Punch Kit From Fast Lane Audio
Click the image to open in full size.
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Old 7th February 2019, 07:03 PM   #5
Rob Dingen is online now Rob Dingen  Netherlands
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Quote:
Originally Posted by djn View Post
Is this what you are looking for?

Conical Midbass Fronthorns Volvotreter Homepage
Yes but how will it radiate into the room with such small mouth area?

Rob
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Old 7th February 2019, 07:05 PM   #6
Rob Dingen is online now Rob Dingen  Netherlands
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Quote:
Originally Posted by freddi View Post
a JWC Mini-Punch (vented back chamber) would be the size of a Klipsch Belle -

perhaps check out John inlow's site inlowsound.com


"JWC Mini-Punch"

retro vintage modern hi-fi: JWC DIY Mini Punch Kit From Fast Lane Audio
Click the image to open in full size.
Hi Freddy,

That's a very short horn.
As I see it it's more like a normal basreflex with a very short wave guide.
Did you build it and listened ?

Rob
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Old 7th February 2019, 08:43 PM   #7
freddi is offline freddi  United States
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Mid-bass Horn Design help
- I did not build the "Mini-Punch" - as you say its a short waveguide with mild gain and some directivity control vs a direct radiator. Inlow's 100Hz midbass horns have rather small mouths - about like my old Edgar 100Hz hypex.

Click the image to open in full size.
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Old 7th February 2019, 08:48 PM   #8
Rob Dingen is online now Rob Dingen  Netherlands
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That looks good.
Did you not liked them?
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Old 7th February 2019, 08:50 PM   #9
Rob Dingen is online now Rob Dingen  Netherlands
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I simulated a tractrix horn with B&C 12PE32.
That simulate really good also.
What do you think about this design?
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Old 7th February 2019, 10:11 PM   #10
Flaesh is offline Flaesh  Russian Federation
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Ang 0,5 x pi seems too optimistic. Or will you really place horn mouth in corner?..
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