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Old 21st November 2005, 04:27 PM   #1
regal is offline regal  United States
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Default sub recommendation for music

I have infinity SM215 mains, they are a 3 way ported 10" speaker. They are efficient (98db) but a little lacking in bass. So I need a sub. I was thinking 2, one under each speaker. Budget is $500 for the amps and subs. Mainly interested in sealed. Need recommendations for the drivers. My guess is a should go with 12's.
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Old 21st November 2005, 08:47 PM   #2
simon5 is offline simon5  Canada
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Use two of these :

http://www.partsexpress.com/pe/showd...number=295-464

With two of these :

http://www.rythmikaudio.com/nonservo...t.htm#250basic
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Old 22nd November 2005, 12:49 PM   #3
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Is space a real issue here?

As far as good sub drivers, the wiki has a section on subwoofer drivers.

http://www.diyaudio.com/wiki/index.php?page=Loudspeaker

Have you considered subs with some efficiency as well?
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Old 22nd November 2005, 01:45 PM   #4
regal is offline regal  United States
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Quote:
Originally posted by paulspencer


Have you considered subs with some efficiency as well?

I have space for 100-150L. I have a lot of experience with car audio subs (SQ) but there watts are cheaper than efficient speakers.

I really am inexperienced when it comes to home audio subs. There is a lot of infor for home theater subs, but I can find very little info on audio (music) subs.

What size would be best (10", 12", 15") and how much power do I need to match my mains? Again the mains are 10" 3-ways with 98db efficiency. They put out almost 110 db measured with the radioshack SPL meter 3 ft away (big 6,000 cuft room.)
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Old 22nd November 2005, 01:58 PM   #5
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Home theatre and music are not necessarily all that different. I'd focus instead on more specific goals - SPL, bandwidth, extension, performance goals such as accuracy, etc.

Watts are cheaper than efficiency? Well not necessarily that simple.

Especially if horn loading comes into it ...

Given choice between those sizes, 2 x 15" comes to mind

you haven't looked at the wiki have you?
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Old 22nd November 2005, 02:59 PM   #6
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Quote:
Watts are cheaper than efficiency? Well not necessarily that simple.
Fundamentally yes it is that simple, particularily for a first time builder.

The budget is a bit too tight for 4-12"s. You might consider one 15" TC2+ from www.oaudio.com per side.
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Old 22nd November 2005, 03:04 PM   #7
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Quote:
Fundamentally yes it is that simple, particularily for a first time builder.
Not necessarily. Depends on your assumptions.

First time builder need not necessarily mean uninformed, also one can build a copy or do plans. Things do not necessarily become simpler merely because you don't happen to be aware of all factors.
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