12'' 8 ohm sub problems

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neon bright

Member - Posts: 13

Joined: June 19, 2006

Location: Canada

Posted: June 19, 2006 at 4:55 PM / IP Logged

AA buddy of mine sold me a 12 inch MTX thunder 4000 8ohm sub and a phaser Linear 240 watt amp, I hooked everything up properly but it sounds kinda crappy, any ideas as to what the problem is?

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fakepete

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Joined: April 21, 2002

Location: United States

Posted: June 19, 2006 at 5:15 PM / IP Logged

Do you know the specs on the amp? The amp is probably rated for 4 ohm, not 8ohm. The speaker might only be getting half power.

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neon bright

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Joined: June 19, 2006

Location: Canada

Posted: June 19, 2006 at 5:46 PM / IP Logged

ifIf the amp is only rated for 4 ohm, does that mean that I need to find a new amp or is there something I can do?

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DYohn

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Joined: April 22, 2003

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Posted: June 19, 2006 at 5:56 PM / IP Logged

fakepete wrote:

Do you know the specs on the amp? The amp is probably rated for 4 ohm, not 8ohm. The speaker might only be getting half power.

It's not a problem, car audio amplifiers are rated for the MINIMUM load they can handle. Placing higher impedance loads on them is just fine.

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DYohn

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Posted: June 19, 2006 at 5:58 PM / IP Logged

neon bright wrote:

AA buddy of mine sold me a 12 inch MTX thunder 4000 8ohm sub and a phaser Linear 240 watt amp, I hooked everything up properly but it sounds kinda crappy, any ideas as to what the problem is?

What kind of enclosure is the speaker in? Also, "Phase Linear" car audio amps are very marginal quality, so you cannot push it too hard or it will generate 100% distortion.

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neon bright

Member - Posts: 13

Joined: June 19, 2006

Location: Canada

Posted: June 19, 2006 at 6:09 PM / IP Logged

tThe enclosure is sealed box, and I'm guessing that the amp is why it kinda sucks, is there any decent, cheap amps?

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neon bright

Member - Posts: 13

Joined: June 19, 2006

Location: Canada

Posted: June 20, 2006 at 5:20 PM / IP Logged

III decided to take the amp back, I can get a Sony 440 watt amp, are they any good?

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aznboi3644

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Joined: May 01, 2006

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Posted: June 20, 2006 at 7:03 PM / IP Logged

I'd get a kenwood over a sony amp.

Sony 440 watt would be crap.

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12'' 8 ohm sub problems

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