Crossfire CFA390M Power Output?

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jmelton86

Gold - Posts: 1,228

Joined: February 07, 2007

Location: South Carolina, United States

Posted: March 13, 2007 at 12:42 AM / IP Logged

I have a friend who has a Crossfire mono amp. CFA390M. The amp's manual claims it puts out 390wrms @2Ohms, that's it. This amp was the biggest one Crossfire made that year. It has been rebuilt and according to the previous owner has been built-up a little. Has dual 25a fuses. 2Ohms minimal. 2Ohm on 2 KickerCompVR 12's. This sucker slams with no Big3 or anything, factory alt, cheapo bat, not the best wiring! Anyone had honors of using one of these any? What I want to know is how much power this thing really puts out. Crazy loud for only claiming 390wrms (@2Ohms)! Anyone?

2013 Kia Rio -90a alternator

DDX470HD GTO14001 GTO1014D (x3)

Big3 in 1/0G

1/0G to GTO14001

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Joined: November 01, 2003

Location: Alberta, Canada

Posted: March 13, 2007 at 1:15 AM / IP Logged

That amp was kick butt. They always put out more than they claimed. They had one bad run of them but replaced the 9 bad ones that I had come it. Absolute great amp, highly recommend it.

Top Secret, I can tell you but then my wife will kill me.

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jmelton86

Gold - Posts: 1,228

Joined: February 07, 2007

Location: South Carolina, United States

Posted: March 13, 2007 at 1:36 AM / IP Logged

Any idea of how much it's really pushing? I mean, I don't know what they could do to this particular amp to 'sup it up' a little. It's definitely not only pushing 390wrms. Any idea's anyone? thanks

2013 Kia Rio -90a alternator

DDX470HD GTO14001 GTO1014D (x3)

Big3 in 1/0G

1/0G to GTO14001

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sethat

Member - Posts: 2

Joined: March 14, 2007

Location: United States

Posted: March 15, 2007 at 2:14 PM / IP Logged

I had a 390M years ago, bought it brand new. With no mods it was a decent amp. I had it on 2 Premier ALCC 12's in a ported box in a camaro. It was a fun setup.

I could be mitaken, but I think crossfire rates amplifiers at close to 12V (which I consider favorable). You'll will have higher voltage in the car with the alternator running. This will result in higher output.

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jmelton86

Gold - Posts: 1,228

Joined: February 07, 2007

Location: South Carolina, United States

Posted: March 15, 2007 at 5:18 PM / IP Logged

Well, he hasn't done the Big3. He's got a cheapo battery with a factory (105a) alt. This setup makes hats bounce on your head and spin around. It's crazy considering it's not even getting adaquate power.

2013 Kia Rio -90a alternator

DDX470HD GTO14001 GTO1014D (x3)

Big3 in 1/0G

1/0G to GTO14001

Back to Top

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Crossfire CFA390M Power Output?

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