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Joined: Nov 2012
Posts: 86
Member
Member
Joined: Nov 2012
Posts: 86
We have a customer with a rauland pa system that has about 75 speakers(tapped at 2watts) 7 horns, and 3-rauland 120 watt amps(dax 120-120 watt)..
We are looking at adding about 20 more speakers and 4 horns.
Is there any reason these 3 amps won't be sufficient or should we go with TOA amps like we originally planned?
ANY links to specs. on these rauland amps would be great.


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Joined: May 2007
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Moderator-1A2, Cabling
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Moderator-1A2, Cabling
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Joined: May 2007
Posts: 5,059
Likes: 6
An Internet search shows a few web sites for Rauland Amplifiers.

75 speakers tapped at 2 watts = 150 Watts
7 Horns tapped at ? (10-15 watts) = 70-105 Watts

150 + 105 = 255 Watts

3 Amplifiers @ 120 Watts = 360 watts

360-255 =105

20 speakers @ 2 Watts + 4 Horns @ 15 Watts = 100Watts

Theoretically it would work - B U T

How are the amplifiers split up? How many watts is each zone drawing? Where are these new speakers/horns going? What zone will they be on? Will that zone be oveloaded?

Also - you should NEVER run an amp at full capacity. Depending on the quality of the amp, you should always leave between 10-25% spare.

Have you run an impedence meter on the speaker zones? Identify what you have there and then see what your customer wants and see if it will work.

Sam


"Where are we going and why are we in this hand basket?"

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