Question about Alpine MRP-M450 Car Audio Amplifier
I just hooked this up in my car...I had it in my truck previously with a dual voice voil sub at 2 ohm load, and though it's a different sub in the car it's still a DVC at 2 ohm load. I literally just wired it, and turned the stereo on. It started working fine, and I was adjusting the LP filter, Bass EQ and Gain knobs, and there was a popping sound and the sub cut out. When this happened the power light started blinking too...it's lit but it just seems like an intermittent blink or cutout of light. I didn't have the stereo turned up nearly as loud as I previously have in my truck, so I'm not really sure what I could have done wrong. I took the back cover off of the amp and nothing seems burned...what else can I check?
Well if you took off the cover on the amp and nothing seems to be burn't, check the voice coils on the sub. It's possible the voice coils have separated and is causing the amp to short it self out due to ground error. If that doesn't help let me know and I'll tell you the next step.
Posted on Oct 01, 2007
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