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Car Amplifier / Speaker selection

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electricpedals View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote electricpedals Quote  Post ReplyReply Direct Link To This Post Topic: Car Amplifier / Speaker selection
    Posted: 14 June 2022 at 6:48pm
Hi

Is there a rule of thumb for pairing up passive speakers with car amplifiers?

For example, could I pair up:

2x JBL JRX225 Dual 15'' Passive PA Speaker
Pioneer 4 Gm-D8704 1200 Watts Class FD Amplifier 

I'm researching build a decent sized 12v system.

Thanks
Colin



Edited by electricpedals - 14 June 2022 at 6:49pm
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Conanski View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote Conanski Quote  Post ReplyReply Direct Link To This Post Posted: 15 June 2022 at 3:00am
It doesn't matter what type the amplifier is, a general rule of thumb is 1.5x the continuous rating but any amp capable of 500w-1000w into 4ohm will do a good job. 
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Lucasdude View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote Lucasdude Quote  Post ReplyReply Direct Link To This Post Posted: 15 June 2022 at 12:33pm
I'm  a fan of the old Genesis class G amps. The Profile Sub mono amps are really good for driving full range speakers. They have an adjustable HPF from around 18hz up, and each can deliver a respectable 350w @14.4v 4ohm or 550w @2ohm. I'm currently using a pair to drive some EV ZX1s, they give around 200w@8ohms.
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