Question about Jensen LXA300 Car Audio Amplifier
I have a System in my trunk. Pretty Simple 1 Dual 8 ohm Voice Coil Sub(1000W RMS) with a 300 Wat RMS Amp. I idid this to make sure i nevver blow my sub. I have a FAT Plus Minus to battery, but all the sudden my amp would start kicking out at half volume. I looked in back and the protect light comes on at half power. So i bowwowed my sisters 1200 Watt Amp and hooked it up. I had it bridged off the amp both times. Anyways, Her amp worked great for a day, then i smelled smoke in my trunk. I felt her amp and it was pretty warm. Not her amp does the same thing? Is my car wiring bad or is it my sub or what? I had been using the same wiring setup for the last 3 years, so i cant imagine that would just go bad. Please let me know as soon as possible, I NEED BASS.
A dual voice coil speaker can be wired to be a 2 ohm speaker or an 8 ohm speaker depending on whether you wire it in series (8 ohm) or parallel (2 ohm). When you bridge your amp then the two channels will share the load from your speaker. If the speaker is wired as 8 ohm then each channel of the amp is driving a 4 ohm load which is fine. If you are bridged into a 2 ohm speaker then each channel will be driving a 1 ohm load, which is a very very heavy load. Is your amp designed to drive a 1 ohm load? If not then that would explain why you are having a problem.
Posted on Sep 14, 2007
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