danlad Posted June 23, 2009 Share Posted June 23, 2009 hi all, can you please advise me as i have to add more speakers to a system and would like so info on how you work out what size speaker you need i.e watts and power rating. they want the flush ceiling speakers, but I'm hearing about 70V and 100V. plus how do i work out how many i can fit with out overloading the amp. thanks. Quote Link to comment Share on other sites More sharing options...
Secware_Tech6 Posted June 23, 2009 Share Posted June 23, 2009 dan the line voltage is not really relevant when working out pa load. as a rough guide the higher the line voltage the lower the volt drop. each speaker etc will add load to the line. as an easy calc if your amp has more power than your total load then your fine. just be cautious not to over drive. Support Quote Link to comment Share on other sites More sharing options...
danlad Posted June 26, 2009 Author Share Posted June 26, 2009 hi thanks for the reply. can i also ask what size cable or flex should i use? thanks. Quote Link to comment Share on other sites More sharing options...
Secware_Tech6 Posted June 27, 2009 Share Posted June 27, 2009 it totally depends on the load and length. I would normally use .75mm or 1.0mm flex. Support Quote Link to comment Share on other sites More sharing options...
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