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small sealed sub driver recommendations?
small sealed sub driver recommendations?
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Old 22nd July 2019, 08:42 AM   #1
skewIF is offline skewIF  Australia
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Default small sealed sub driver recommendations?

greetings,
iíd like to build 2 small sealed passive subs to support full range speakers (jordan jx92s in sealed 9 litre enclosures). they will be driven by 2 channels of a primare A30/5 5 channel amp (120rms into 8ohms, 200rms into 4 ohms). active crossover and room correction via dsp.
iím having difficulty finding a suitable driver. iím not a designer and there seems to be hundreds of drivers to sort through, so i thought maybe someone else might have gone down this road recently and could offer suggestions. iím listening mainly to small ensemble music of various kinds, at moderate levels in a moderately sized room, so no home theatre special effects requirements.
perhaps naively i figured i could build a simple sealed enclosure of say 20-25 litres that would do the job given the right driver. cost isnít necessarily a consideration at this point.
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Old 22nd July 2019, 09:42 AM   #2
chris661 is offline chris661  United Kingdom
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In the 20-25L range, I'd be looking at an 8-10" driver. Efficiency (and therefore ultimate output) won't be particularly high, but it sounds like you're not looking for party levels.

IIRC, Faital Pro is available at sensible money in Australia. They do have a few drivers with rubber surrounds etc that look more geared towards HiFi and studio speakers.

Chris
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Old 22nd July 2019, 09:57 AM   #3
scottjoplin is offline scottjoplin  Wales
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Hi, nice speakers, I have a pair of Eikonas with subs.

For a small sealed enclosure you might consider using EQ. Linkwitz transform is an option as here for example Pluto + subwoofer Linkwitz Transform Subwoofer Equaliser or a simpler method described here Sub-Woofer Controller
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Old 22nd July 2019, 01:44 PM   #4
skewIF is offline skewIF  Australia
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hi chris, thanks for this. even though i’m flying an australian flag i’m building these in vienna, so the range you’ve pointed at are accessible. know of any other possibilities here in europe?
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Old 22nd July 2019, 01:46 PM   #5
skewIF is offline skewIF  Australia
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hi scott,
many thanks for this info. i’ll digest it. how have you configured your eikonas?
chris
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Old 22nd July 2019, 02:07 PM   #6
cph2000 is offline cph2000  Denmark
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Take a look at these
Shallow Subwoofers :: SB Acoustics
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Old 22nd July 2019, 02:39 PM   #7
scottjoplin is offline scottjoplin  Wales
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Quote:
Originally Posted by skewIF View Post
hi scott,
many thanks for this info. iíll digest it. how have you configured your eikonas?
chris
You're welcome. The Eikonas are in the VTL cabinet, sometimes I use them fullrange, but usually I crossover at about 100Hz to a pair of U-frame OB subs with 2 12" woofers in each, so not quite what you have in mind
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Old 22nd July 2019, 03:22 PM   #8
smallangryboy is offline smallangryboy  United Kingdom
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10" Peerless 830452 by Tymphany would be a good start in that sort of box but I think it would be reasonably hard to drive. You would be better having them driven with a plate amp. I know this is a DIY forum but you would do worse than one or two of the BK Eelctronics XLS 200 though I appreciate you may not get them in your neck of the woods. You could copy the design with a suitable alternative amp though.

Last edited by smallangryboy; 22nd July 2019 at 03:25 PM.
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Old 22nd July 2019, 08:26 PM   #9
skewIF is offline skewIF  Australia
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Quote:
Originally Posted by cph2000 View Post
great! they look interesting for sure.
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Old 22nd July 2019, 11:25 PM   #10
djn is offline djn  United States
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Here is a great small sub.

The Triska Sub
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