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SB16 ultra copy
SB16 ultra copy
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Old 27th December 2018, 08:31 PM   #1
basshunter1515 is offline basshunter1515
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Join Date: Dec 2018
Default SB16 ultra copy

Hello everyone.
I visited a friend a few days ago and tested his brand new 2x SB16 Ultra woofers, i was mindblown what theese small cabinets can do.
Now i want to build something that can preform as good as the svs woofers.
But im stuck already looking for a nice driver.
Cabinets have to be small but still be able play low frequency.

Right now i got a Crown XLS2505 that can do 2ohm dual 1200w or 4ohm bridged 2400w.

I have found two possible drivers, but they require INSANE ammount of power.

Peerless by Tymphany STW-350F-188PR01-04 15" High Power Subwoofer

and

HST-15 mkII 15″ Subwoofer – Stereo Integrity
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Old 27th December 2018, 09:34 PM   #2
TBTL is offline TBTL  Germany
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Do they have to play loud as loud as the SB16 subs? How small and low do you need?


Low bass from a small cabinet means it must have a low efficiency, so indeed you need a lot of power.

Last edited by TBTL; 27th December 2018 at 09:38 PM.
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Old 27th December 2018, 09:40 PM   #3
basshunter1515 is offline basshunter1515
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well, small means under 150L volume, also, it has to go under 20hz -3dB
The SB16 is 16-460Hz (+/-3dB)
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Old 27th December 2018, 09:51 PM   #4
WaVeInFoRm is offline WaVeInFoRm
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bigger box lower power for the same output. atleast for the lower bass tones
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Old 27th December 2018, 09:54 PM   #5
basshunter1515 is offline basshunter1515
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well.... when you are limited in space, and SB16 ultra is too expensive... then what?
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Old 27th December 2018, 09:54 PM   #6
WaVeInFoRm is offline WaVeInFoRm
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Location: England
huge waste of energy. heafty driver voice coil with much power just to fit in in a smaller box. could probably tenth the power needed to create 30hz if you doubled the box.

ah, you did say copy, I may stay out of this one.
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Old 28th December 2018, 10:59 PM   #7
mart34 is offline mart34  England
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The SVS subs use Tymphany drivers built to SVS spec I believe. The Peerless (Tymphany) STW-350 is as close to the SVS SB16 driver as you can get. 150 litres would allow you to build a ported STW-350, that with 2400 Watts would out perform your friends twin SB16, just without the fancy features
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Old 28th December 2018, 11:02 PM   #8
mart34 is offline mart34  England
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Noticed you mentioned 150 litres (5.3 cubic foot) as being small, hope I'm not missing something here as this isn't small IMO. My post above, I'm basically recommending building a SVS PB16 Ultra.
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Old 28th December 2018, 11:11 PM   #9
basshunter1515 is offline basshunter1515
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edit: missed that mod had to approve post.

Last edited by basshunter1515; 28th December 2018 at 11:17 PM.
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Old 28th December 2018, 11:15 PM   #10
basshunter1515 is offline basshunter1515
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Join Date: Dec 2018
From avsforum:
Quote:
I agree about a pair of UM18s as a great choice for your needs, as well as your preference for sealed. 4 cu.ft isn’t small but is also not that large. You can either go flat packs or build your own boxes with any shape, as long as it is around 4 cu.ft. You can figure your box size here:

Speaker Enclosure Volume Calculator

Your Crown amp can run two of these subs bridged into 4 ohms if wired in series. This would make for an excellent setup, and should compare favorably to dual SB16’s.

Edit: Looks like the SB16 is 3.6 cu.ft internal volume, so a UM18 in a 4 cu.ft box is very close in size. Add the increased tactile response of the 18” driver and fraction of the cost....
Got a great price of the UM18 driver, so im going to test this. Hopefully two of theese would give me the power AND output i want. I can infact build 4xUM18 and buy two Crown XLS2505 for under the cost of one SB16 Ultra :P
If im not happy with the UM18 im gonna try the STW-350.
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