power amp

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t1123
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Joined: Wed Jul 06, 2011 8:01 pm

power amp

Post by t1123 » Wed Jul 06, 2011 8:31 pm

I have a pair of pa speakers that have 12'' subs, tweeters, 150w rms and have 1/4 jack connections. That is all I know about them so far. I need an amp and Im fairly new to this technical side of things. I came across this amp on ebay (link below) and Im wondering whether or not it will work with the speakers.
http://cgi.ebay.co.uk/ws/eBayISAPI.dll? ... 876wt_1141

Pics of the speakers below if that is helpful.
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Image

Cheers for any help.

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Ennayess
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Re: power amp

Post by Ennayess » Wed Jul 06, 2011 11:08 pm

yes, looks like it should all work

t1123
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Re: power amp

Post by t1123 » Thu Jul 07, 2011 12:37 am

Great cheers. What cables would i need?

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vertx
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Re: power amp

Post by vertx » Thu Jul 07, 2011 4:54 am

1/4'' TRS but I'm thinking if they take TRS they are powered speakers already??

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RandoRando
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Re: power amp

Post by RandoRando » Thu Jul 07, 2011 10:22 am

open it up and see if theres a amp inside or if its just a box.
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t1123
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Re: power amp

Post by t1123 » Thu Jul 07, 2011 12:56 pm

Opened up the back and as far as i can tell its a passive speaker. The only thing there was is what im guessing is a crossover unit on the back of the jack connection as its far to small to be an amp! (pics below)
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Image

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RandoRando
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Re: power amp

Post by RandoRando » Fri Jul 08, 2011 12:21 pm

^^^those are definitely active, those amps must be at least 2500 watts rms in each speaker.























i meant crossovers, those are degfinately crossovers, lol.

how good shape are the actual speakers in? no cracked surrounds and dustcap is still holding on good? you should check on the spider and voice coil as well to make sure they are nice and shiny still. and not black
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vertx
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Re: power amp

Post by vertx » Sat Jul 09, 2011 12:54 am

Wow that's pretty cool, I always assumed passive speakers needed some sort of copper wire.

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RandoRando
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Re: power amp

Post by RandoRando » Sat Jul 09, 2011 1:12 am

vertx wrote:Wow that's pretty cool, I always assumed passive speakers needed some sort of copper wire.
They are usually already wired uP inside. And those are copper, (is speaker wire copper? ) anyways, it's just a real small gauge wire inside the box.
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