Thanks fro the input. The area is a 40000 square feet. So, you are saying that if I use four speakers then they would not be as loud as needed?
Thanks again 2010/7/9 Massimo Nuvoli <[email protected]> > bruce bruce ha scritto: > > 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. > > Hummmm interesting... i never checked this kind of product. > > CyberData has calculator only for the 8W model, but... every speaker > they sell is 8w and the calculator say 69 speakers. You can attach 2 > speakers to one amplifier in parallel (they say this also), this is > the maximum as the amplifier cannot reach 32W (4 speakers), but you > can try to use 4 speakers (2 in parallel + 2 in parallel) with a > little less than maximum 8w on each speaker. > > I think a reasonable number of speakers may be less than half, but you > must check wath is in the area, also remember if this is a warehouse > to place the speakers where a person can be, not goods. :-) > > For a so big installation think to use a voip interface and > professional product with low voltage line speakers, i think is less > expensive. > > Bye. > > -- > _____________________________________________________________________ > -- 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 >
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