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Sourcing my 18" sub
Sourcing my 18" sub
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Old 2nd January 2018, 10:40 AM   #1
trojantrow is offline trojantrow  United Kingdom
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Default Sourcing my 18" sub

Hi all. I'm in the UK and have been modeling building my own sub for ages.

Finally decided on an 18ich sealed. Sub and I'm using the tv cabinet (solid rose wood) as an enclosure. (stealth mode back firing towards wall)

This will give me around 140litre internal volume after taking account bracing and driver.

I had settled on a Stereo integrity Ht18 v2 or a dayton ho18. This is for music and movies 50 50.

Problem is. Getting hold of either in the UK. Can anyone suggest anywhere where I can request a wanted thread. (new to forums)

Or anyone know of drivers with similar characteristics that won't break the bank.
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Old 2nd January 2018, 11:03 AM   #2
globalplayer is offline globalplayer  Germany
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Alpine SWR-1522D.
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Old 2nd January 2018, 11:19 AM   #3
trojantrow is offline trojantrow  United Kingdom
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Thanks for the reply. I was worries the 15 would go as low as the 18.but just modelled it and it's really good.

Would this be considered good for a music application too. As these alpines are usually put in vehicles.??
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Old 2nd January 2018, 11:23 AM   #4
globalplayer is offline globalplayer  Germany
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Yes, this is a car sub.
Low distortion, good sound, perfect for music.
In the United States they use it a lot for home cinema because of it`s low distortion, performance and price.
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Last edited by globalplayer; 2nd January 2018 at 11:28 AM.
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Old 2nd January 2018, 03:34 PM   #5
trojantrow is offline trojantrow  United Kingdom
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Was going to go sealed but it's looking amazing ported. Thanks for the information
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Old 3rd January 2018, 06:52 AM   #6
MemX is offline MemX  United Kingdom
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SI HT-18 are easy to import - assume the price in USD is the price in GBP and you're about right for end costs with shipping and VAT included, IIRC!

The bonus is that they are so much cheaper than other 18s in general, one can probably get two for the same price as a locally sourced alternative
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Old 3rd January 2018, 07:54 AM   #7
globalplayer is offline globalplayer  Germany
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The SI HT-18 doesn't really look like a quality construction.
Also I have my doubts regarding the published specs.
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Old 3rd January 2018, 10:23 AM   #8
trojantrow is offline trojantrow  United Kingdom
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Thanks for the suggestions guys. I'm sure you are all aware of the website data-bass. They tested all these drivers including the si ht18.

It seems it did a decent job for the price and does match its published specs(from memory).although I understand what you mean.

Thing is. Si have stopped making it. And it's difficult to get hold of. And if I can. It's the same price or more expensive than the alpine. Due to import charges.

On top of that I actually don't think the si18 is as good as the alpine swr1522d. So it looks like I have no option to buy the alpine for around 270. From Italy on a well known auction site.

Now. Low q sealed vs ported???? Xxxxxx decisions
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Old 3rd January 2018, 10:23 AM   #9
trojantrow is offline trojantrow  United Kingdom
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Sorry for the xxxxxx phone caught me out
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Old 3rd January 2018, 10:27 AM   #10
globalplayer is offline globalplayer  Germany
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Sealed will have better sq albeit less efficiency.
Also sealed roll-off is more forgiving regarding room effects.

Alpine SWR-1522D 15" 2000W Subwoofer [Alpine SWR-1522D] - PS239.99 : Car Audio 4 Less, Car Audio System

239.99 GBP
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Last edited by globalplayer; 3rd January 2018 at 10:32 AM.
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