Re: Re: More Questions on Ceiling Speakers

["Paul Robinson" <ukcueman@xxxxxxx>]

I guess that a lot of the low frequency noise goes through the structure -
ie the
plasterboard/wooden joists the speakers are attached to. If this is true,
then any acoustic barrier
above would only damp mid/high frequency noise.

Is there anything suitable, and is this a reasonable rather than stupid
idea, to use a thin
absorbent material between the speaker and plasterboard, for the annular
region that the speaker is
in contact with the ceiling?

Paul

----- Original Message -----
From: "Paul" <p-gale@xxxxxxx>
To: <ukha_d@xxxxxxx>
Sent: Tuesday, May 06, 2003 1:51 PM
Subject: RE: [ukha_d] Re: More Questions on Ceiling Speakers


> Not tried that but could be worth a go. Does it absorb lower
> frequencies?
>
>
>
> Paul.
>
>
>
> -----Original Message-----
> From: Frost Neil [mailto:Neil.Frost@xxxxxxx]
> Sent: 06 May 2003 13:40
> To: 'ukha_d@xxxxxxx'
> Subject: RE: [ukha_d] Re: More Questions on Ceiling Speakers
>
>
>
> What about lining the upper area with acoustic matting as used in
"In
> Car
> Entertainment"?
>
> Neil
>
>
> -----Original Message-----
> From: Paul [mailto:p-gale@xxxxxxx]
> Sent: 06 May 2003 13:04
> To: ukha_d@xxxxxxx
>
> Even with a lot of insulation, you still may get a lot of the bass
> frequencies (as I do) transmitting to the upstairs rooms (unless you
can
> physically isolate the speakers and box?!)
>
>
>
> Paul.
>
>
>
> -----Original Message-----
> From: Tom Dubourg [mailto:thomas.dubourg@xxxxxxx]
> Sent: 06 May 2003 12:55
> To: ukha_d@xxxxxxx
> Subject: [ukha_d] Re: More Questions on Ceiling Speakers
>
>
>
> Hi Mick
>
> I have installed a pair of ceiling speakers into my dining room.
> There is a great amount of sound leakage to the upstair bedroom when
> they
> are playing music.
>
> If I was doing the installation again I would definitely look at
> creating an
> enclosure around the rear of the speaker and using some loft
insulation
> to
> prevent sound leakage to the upstairs rooms.
>
> Good luck
>
> Tom
>
>
>
>
>
> --- In ukha_d@xxxxxxx, "Mick Furlong"
<hiltoneltd@y...> wrote:
> > Just thought of a couple of further questions....
> >
> > The ceiling consruction downstairs is concrete slab counter
> battened and
> > then counter battened again (ie. giving a grid of wood) this was
> done to
> > allow for easy rounting of cables in the ceiling. So the question
> is should
> > I box in around the speakers to create a small enclosure or
should
> I leave
> > them open to the whole of the ceiling void?
> >
> > Also should I put in any acoustic dampening material ?
> >
> > Thanks
> > Mick
> >
> >   -----Original Message-----
> > From: Mick Furlong [mailto:hiltoneltd@xxxxxxx...]
> > Sent: 05 May 2003 12:28
> > To: ukha_d@xxxxxxx
> > Subject: RE: [ukha_d] Questions on Ceiling Speakers
> >
> >
> >   Paul
> >
> >   thanks for this that is exactly what I was after, I didn't want
> to be
> >   sending a pile of them back because they wouldn't fit;)
> >
> >   Off to get my tape measure;)
> >
> >   Cheers
> >   Mick
> >     -----Original Message-----
> >     From: Paul Robinson [mailto:ukcueman@xxxxxxx...]
> >     Sent: 05 May 2003 12:00
> >     To: ukha_d@xxxxxxx
> >     Subject: Re: [ukha_d] Questions on Ceiling Speakers
> >
> >
> >     I have the 6.5" 125.063 in front of me.
> >
> >     I measured 62mm from the face of the plasterboard to the back
> of the
> >   speaker plus about 15mm (ish)
> >     below - so the total height of the speaker is 77mm. The web
> site says
> > this
> >   speaker has a depth of
> >     65mm.
> >
> >     HTH
> >     Paul
> >
> >     > Looking at getting some of the ceiling speakers  from
Henry's
> > discussed
> >   a
> >     > while back and wondering if anyone could tell me the
exact
> clearance
> >     > required above the ceiling. On the web site it says 56mm
but
> I think
> >   someone
> >     > mentioned these protrude 15mm from the ceiling  so is it
40mm
> from the
> >   face
> >     > of the plasterboard to the back of the speaker? I am
pretty
> restricted
> >   on
> >     > space so need to know as close as possible what is
required.
> >
> >
> >
> >
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