B&C 18SW115 enclosure design |
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MarjanM
Old Croc Joined: 10 February 2005 Location: Macedonia Status: Offline Points: 7810 |
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How much are you looking to spend per box total?
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Marjan Milosevic
MM-Acoustics www.mm-acoustics.com https://www.facebook.com/pages/MM-Acoustics/608901282527713 |
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RMS65
New Member Joined: 19 April 2017 Location: SLO Status: Offline Points: 8 |
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For starters, I used two 8 Ohm bass.
Over time, however, he has two added. I'll see how it will all take place.
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Crashpc
Registered User Joined: 26 February 2008 Location: Czech Republic Status: Offline Points: 463 |
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RMS64: sorry, I don´t have a build plan. Only the info I already gave you. It´s not that hard to copy from that though.
I don´t really have any video of that one. |
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Nikon and Canon people should not be married to each other. Why did you let this happen?
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RMS65
New Member Joined: 19 April 2017 Location: SLO Status: Offline Points: 8 |
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These dimensions are external or internal? The width of 540mm, height 580mm, length 750mm How long is the transition succeed? Vent / Port Length? Port 160x160x vented? mm in Thanks |
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Crashpc
Registered User Joined: 26 February 2008 Location: Czech Republic Status: Offline Points: 463 |
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Outside dimensions. Ports are 16x16xwhatever left triangles. The lenght of those ports ends 13cm before back wall.
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Nikon and Canon people should not be married to each other. Why did you let this happen?
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smitske96
Young Croc Joined: 16 February 2016 Location: The Netherlands Status: Offline Points: 1085 |
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@Crashpc
Did you already test the 21DS115?
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Crashpc
Registered User Joined: 26 February 2008 Location: Czech Republic Status: Offline Points: 463 |
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Still in works, while 18SW115 leaves me next week, so I should hurry up, or I end up without audio.
I tested it in the 18SW115 development box, and it was promising. So with few Hz lower tune and 60l more box volume, I can only imagine it will get better. I specially appreciate what it could do under the vent tuning. It sill moved a lot of air without noise artifacts, and could vibrate everything around. Depends on what are you after. It seems that these woofers rock for power density in compact boxes. Especially under 40Hz. There is no other 18" or 21" box type that would work better in the same volume. But 21" gets large fast when you want to use its potential, so I might think about something like 12" or 15" tapped horns for next years to come. Edited by Crashpc - 28 April 2017 at 9:29pm |
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Nikon and Canon people should not be married to each other. Why did you let this happen?
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airbell
Registered User Joined: 11 June 2009 Location: Berlin, Germany Status: Offline Points: 284 |
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+1 also curious about the difference!Some news/updates?
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Crashpc
Registered User Joined: 26 February 2008 Location: Czech Republic Status: Offline Points: 463 |
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Hey. The sub should be done today, and I'm getting it on sunday evening. S I hope there will be some fun soon. I'll report back.
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Nikon and Canon people should not be married to each other. Why did you let this happen?
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Crashpc
Registered User Joined: 26 February 2008 Location: Czech Republic Status: Offline Points: 463 |
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Hey. Small teaser. The box is waiting to get home from the "factory".
http://www.picfront.org/d/9AQv With some "padding, it's tuned slightly under 32Hz. Will measure at home what it can do with one or two ports stuffed with cloth... I'll propably make new thread about this as I don't want to exploit this one. Propanly ported boxes department.. |
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Nikon and Canon people should not be married to each other. Why did you let this happen?
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JAckDR
New Member Joined: 21 October 2017 Status: Offline Points: 6 |
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HI guys. I want to build a compact sub for professional use with an 18SW115. My idea was to create a similar sub type QSub. I was thinking of a box with a volume of 160 liters with triangular reflex tubes. The problem is the tuning frequency. Which frequency do you recommend to ensure good sound pressure like 133-134dB? I have to use it in the live field.
Thanks you so much!
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Crashpc
Registered User Joined: 26 February 2008 Location: Czech Republic Status: Offline Points: 463 |
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Hey. You don't want to milk one bassreflex subwoofer(driver) for steady output with this SPL. I'm not sure what Qsub thingie is...
The driver likes 34-40 Hz tuning. |
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Nikon and Canon people should not be married to each other. Why did you let this happen?
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