could this cause the amp to get hot?

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timmyjimmy5150

Member - Posts: 32

Joined: February 05, 2006

Location: United States

Posted: April 04, 2006 at 12:11 PM / IP Logged

Okay --- I had a JL 300/4 amp and replaced it with a JL 450/4 amp. My 450/4 is getting way hot when run hard..... Too hot. I checked the ground; good w/ 4 gauge wire. Checked the power supply; Good with 4 gauge cable all the way from the battery.

Okay -- I noticed the shop had to lengthen the rear speaker wires a little because they weren't long enough to reach the 450/4 rear speaker outputs --- The 450/4 had outputs in different locations than the 300/4....... So the shop lengthened the 4 wires BUT it looks like they used smaller guage speaker wire than what runs to the speakers........ In other words -- the 4 wires coming out of the amp for the 2 rear channels is say (guessing here) 18 guage wire for about 12 inches, then the rest of the wires running to the speakers is say 14 guage....

Will/ can this cause an amp to run excessively hot?

thanks

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sparkie

Platinum - Posts: 2,061

Joined: November 06, 2003

Location: Canada

Posted: April 04, 2006 at 5:40 PM / IP Logged

That shouldn't make much difference at all. Disconnect the speaker wires and use a meter to measure their impedance. The speakers may have been wired differently and are now giving your amp a load it can't handle, which will cause it to really heat up.

sparky

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1stclasso

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Joined: March 18, 2006

Location: United States

Posted: April 04, 2006 at 8:48 PM / IP Logged

have u tried just running 1 set (just the front or rear) that may help find the source! sounds like something isnt right with the speakers.

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could this cause the amp to get hot?

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