Sound improvment with a passive inwall subwoofer - AVS Forum
Speakers > Sound improvment with a passive inwall subwoofer
InWall guy's Avatar InWall guy 12:09 PM 08-14-2012
I am in the process of building a new house and am at the wiring point. I have very limited experience with in-ceiling speakers. More often than not they sound flat and lack bass. For stereo set-ups in two rooms I am considering adding passive in wall subwoofers and found great deals on:

Sonance 8 inch in wall single subwoofers. I don't want to add an additional sub woofer amp for stereo-set-ups and these rooms.

Here are my questions..

With a 6 1/2 inch woofer in the ceiling speaker will adding the sub give me much better bass response?
Do I have to buy a back enclosure or could I just add two extra 2x4s to create an enclosure in the wall?

Is it worth the extra cost? I know this last question is a very subjective.

Here are the specs on the sub:

Specifications

Woofer
8" (203mm) long throw carbon fiber cone, dual voice coil, with a rubber surround

Frequency Response
35Hz - 250Hz

Power Handling
150 watts

Sensitivity
90dB (2.83V/1meter)

Crossover Frequency
150 Hz

Optional Enclosures
Optional wooden acoustic enclosures optimize bass performance and reduces sound spillover to adjacent rooms.

Dimensions (WxHxD)
9 7/8" x 15 15/16" x 3 7/8" (251mm x 405mm x 99mm)

Cut-Out Dimensions (WxH)
8 1/2" x 14 1/2" (216mm x 368mm)

Shipping Weight
13 lbs (5.8kg) each
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cel4145's Avatar cel4145 03:47 PM 08-14-2012
That's a fairly specialized subwoofer question. You might get more help in the AVS subwoofer forum.
ack_bk's Avatar ack_bk 09:02 PM 08-14-2012
How large is your room. The challenge I see is with in-wall subwoofers is you have to nail the placement. With an in-room subwoofer, you have placement flexibility and the ability to move the sub.

There are seem attractive smaller in-room subs out there, would you at least consider that option.
Audiophile2k's Avatar Audiophile2k 09:16 PM 08-14-2012
If you are just trying to avoid having the speakers in room, you could use an in floor IB design. I have never heard a success story with in wall subs. It seems it is almost impossible to execute well, especially with smaller drivers.
flyng_fool's Avatar flyng_fool 09:30 AM 08-15-2012
Quote:
Originally Posted by Audiophile2k View Post

If you are just trying to avoid having the speakers in room, you could use an in floor IB design. I have never heard a success story with in wall subs. It seems it is almost impossible to execute well, especially with smaller drivers.
It can be done successfully. Just don't expect it to be cheap.

http://bgradia.com/subwoofer-speakers.html
Hookedonc4's Avatar Hookedonc4 07:52 PM 08-15-2012
^ Yes, my James loudspeaker Baby Grand Concerto's have 10" sub built in and they are awesome...

Inwalls
Bi-Amp Full Range In-Wall
Bi-amp 3-Way
(1) 10" Slimline Subwoofer

(2) 8" Woofers

(1)Soft Dome Tweeter.

Patented AFDC Network, Sealed Aircraft Aluminum Enclosure.
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