[asterisk-users] How to calculate number of speakers needed for PAGING and INTERCOM coverage area?

[bruce bruce]

Yes, thanks. I think lots of manufacturers just boost the number of speakers
really needed but again this really depends on the environment noise level.

Regards,
Bruce

On Wed, Jul 14, 2010 at 11:50 PM, C F <shmaltz at gmail.com> wrote:

> I'm happy to hear it worked out so well with so little. :)
>
> On Wed, Jul 14, 2010 at 12:39 AM, bruce bruce <bruceb444 at gmail.com> wrote:
> > Thanks for the input guys. For other refrence, a CyberData Voip Amplifier
> > which supplies 10 Watt to each of the two bogen 30 Watt speakers did the
> job
> > for a 35,0000 square feet warehouse with environmental noise level of
> > slightly higher than standard but not those of industrial.
> > Only two speakers and done deal. Though I know that three speaker would
> have
> > been the perfect solution but 4 would cover every single little corner
> and
> > be an overkill.
> > -Bruce
> >
> > On Tue, Jul 13, 2010 at 8:47 PM, C F <shmaltz at gmail.com> wrote:
> >>
> >> I agree with horns you'll usually get better coverage. I have done
> >> this in the past with 5 speakers for a 30k sq ft warehouse very good
> >> coverage. Using bogen horns. This was for a 300ft by 100ft warehouse.
> >> Starting at 30 ft of the 300ft wall at the 50ft line off the 100ft
> >> side I installed a horn every 60ft alternating facing one north and
> >> the other south, which ended up 3 facing one way and 2 the other. You
> >> can get double horn speakers which will face 2 sides. I wouldn't mount
> >> them on the wall specifically not so low as fork lifts and what not
> >> will damage them.
> >>
> >>
> >> On Mon, Jul 12, 2010 at 2:17 PM, bruce bruce <bruceb444 at gmail.com>
> wrote:
> >> > Well, these are horn speakers with 30 Watt which will receive 10 Watt
> >> > only
> >> > from Amplifer. I am not connecting them to ceiling so maybe 10 feet
> off
> >> > the
> >> > ground. I guess my coverage would be better???
> >> > Based on your calculations for for 40k sqfeet that would be 33
> speakers.
> >> > I
> >> > think that's way too much of an overkill.
> >> > thanks,
> >> > Bruce
> >> >
> >> > On Mon, Jul 12, 2010 at 1:05 AM, C F <shmaltz at gmail.com> wrote:
> >> >>
> >> >> In my experience using height for radius works, for example if you
> >> >> have a 20 ft high ceiling then the coverage for one speaker would be
> >> >> 40 ft diameter circle (around 1200 sq ft). Of course overlapping 5 ft
> >> >> has never killed anyone, but this really depends on the power of the
> >> >> speaker, I usually deal with 70v speakers tapped at 16 or 8 watts
> >> >> depending on how many speakers I put on one amplifier and the output
> >> >> wattage of that amplifier.
> >> >>
> >> >>
> >> >>
> >> >> On Fri, Jul 9, 2010 at 2:29 AM, bruce bruce <bruceb444 at gmail.com>
> >> >> wrote:
> >> >> > Hi Guys,
> >> >> > I am looking to buy a 25 Watt output CyberData VoIP amplifier and
> to
> >> >> > use
> >> >> > 2
> >> >> > Bogen sp308a speakers with it for a 40, 000 squar feet area and 21
> >> >> > feet
> >> >> > height. Is that enough? Is there calculator online I can use to
> >> >> > determine
> >> >> > the number of speakers needed? I guess these speakers go in chain
> so
> >> >> > I
> >> >> > am
> >> >> > not sure if the full capacity of the speaker (30 watt) will be
> used.
> >> >> > I appreciate your advice.
> >> >> > Thanks,
> >> >> > Bruce
> >> >> > --
> >> >> >
> _____________________________________________________________________
> >> >> > -- Bandwidth and Colocation Provided by http://www.api-digital.com--
> >> >> > New to Asterisk? Join us for a live introductory webinar every
> Thurs:
> >> >> >               http://www.asterisk.org/hello
> >> >> >
> >> >> > asterisk-users mailing list
> >> >> > To UNSUBSCRIBE or update options visit:
> >> >> >   http://lists.digium.com/mailman/listinfo/asterisk-users
> >> >> >
> >> >>
> >> >> --
> >> >> _____________________________________________________________________
> >> >> -- Bandwidth and Colocation Provided by http://www.api-digital.com--
> >> >> New to Asterisk? Join us for a live introductory webinar every Thurs:
> >> >>               http://www.asterisk.org/hello
> >> >>
> >> >> asterisk-users mailing list
> >> >> To UNSUBSCRIBE or update options visit:
> >> >>   http://lists.digium.com/mailman/listinfo/asterisk-users
> >> >
> >> >
> >> > --
> >> > _____________________________________________________________________
> >> > -- Bandwidth and Colocation Provided by http://www.api-digital.com --
> >> > New to Asterisk? Join us for a live introductory webinar every Thurs:
> >> >               http://www.asterisk.org/hello
> >> >
> >> > asterisk-users mailing list
> >> > To UNSUBSCRIBE or update options visit:
> >> >   http://lists.digium.com/mailman/listinfo/asterisk-users
> >> >
> >>
> >> --
> >> _____________________________________________________________________
> >> -- Bandwidth and Colocation Provided by http://www.api-digital.com --
> >> New to Asterisk? Join us for a live introductory webinar every Thurs:
> >>               http://www.asterisk.org/hello
> >>
> >> asterisk-users mailing list
> >> To UNSUBSCRIBE or update options visit:
> >>   http://lists.digium.com/mailman/listinfo/asterisk-users
> >
> >
> > --
> > _____________________________________________________________________
> > -- Bandwidth and Colocation Provided by http://www.api-digital.com --
> > New to Asterisk? Join us for a live introductory webinar every Thurs:
> >               http://www.asterisk.org/hello
> >
> > asterisk-users mailing list
> > To UNSUBSCRIBE or update options visit:
> >   http://lists.digium.com/mailman/listinfo/asterisk-users
> >
>
> --
> _____________________________________________________________________
> -- Bandwidth and Colocation Provided by http://www.api-digital.com --
> New to Asterisk? Join us for a live introductory webinar every Thurs:
>               http://www.asterisk.org/hello
>
> asterisk-users mailing list
> To UNSUBSCRIBE or update options visit:
>   http://lists.digium.com/mailman/listinfo/asterisk-users
>
-------------- next part --------------
An HTML attachment was scrubbed...
URL: http://lists.digium.com/pipermail/asterisk-users/attachments/20100715/17c25a23/attachment.htm