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<blockquote data-quote="marmul" data-source="post: 996267" data-attributes="member: 561953">I am a newb, please be gentle.I recently purchased a used (in excellent physical condition) Soundstream 405 amplifier. It is a five channel amp that powers my whole system. It is installed in my 2000 Honda Accord, the alternator is 3 months old, the battery is 6 months old. I just installed this unit in early march and had no issues until it started getting a pretty warm here in chicago.What happens is when I run the car stereo for a while then turn the car off and get back in the stereo cuts out. If the headlights are off and the A/C is off it does not happen as often (if at all). Since it&#039;s been so warm I need to run the A/C. Another thing, the stereo does not sound as good as it did when I first installed it. I have triple checked the power feed and the ground both are secure. I have not yet verified that all my speakers are working properly but since they are new I doubt that is the issue.One more thing, when the amp cuts out and I pop the trunk to check things out it is not excessively hot. In fact it is barely warm at all.Do I need a cap? Should I send the amp in somewhere for service? Should I sell the car?Your help is appreciated.Marc.</blockquote>

[QUOTE="marmul, post: 996267, member: 561953"] I am a newb, please be gentle. I recently purchased a used (in excellent physical condition) Soundstream 405 amplifier. It is a five channel amp that powers my whole system. It is installed in my 2000 Honda Accord, the alternator is 3 months old, the battery is 6 months old. I just installed this unit in early march and had no issues until it started getting a pretty warm here in chicago. What happens is when I run the car stereo for a while then turn the car off and get back in the stereo cuts out. If the headlights are off and the A/C is off it does not happen as often (if at all). Since it's been so warm I need to run the A/C. Another thing, the stereo does not sound as good as it did when I first installed it. I have triple checked the power feed and the ground both are secure. I have not yet verified that all my speakers are working properly but since they are new I doubt that is the issue. One more thing, when the amp cuts out and I pop the trunk to check things out it is not excessively hot. In fact it is barely warm at all. Do I need a cap? Should I send the amp in somewhere for service? Should I sell the car? Your help is appreciated. Marc. [/QUOTE]

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