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Question about Kenwood KAC-9152D Car Audio Amplifier

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Power on amp switch off when base is turned up

Hi ive got this kenwood kac 9152 1800 watts amp , when i have the amp turned up performing average to high base 30 secs later the amps powers off and about a min later it turns it self back on what may be causing this

Posted by ronny chand on

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Anonymous

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Your problem is that the transistors on the circuit board are shorting out on the back panel of the case. is the amp connected to the sub box? its caused by the vibrations through the box and amp. take off the back cover and look for some scorch marks, if there is any, find the leads on the circuit board that are causing it and bend them down a bit. i had the same problem with my amp, and so have many other people. this fixed my Kenwood 9152D, and it has worked fine for many years after using this solution. if anyone has this problem and needs help with fixing it, email me at [email protected]

Sam

Posted on Feb 13, 2009

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A: make sure that speakers size and watts.B: Type of speakers is used for base. C: Make sure the current (Amps)of the battery and your amplifier. D: Check audio from source and decrease the level of base. Thanks.

Posted on Feb 09, 2007

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I have 2 mtx 12"woofers (8ohms each wired parallel to get to 4ohms) which Kenwood amp would be best to use: kac-7252 or kac-9104d?

The Kenwood KAC-7252 and KAC-9104D are both great amps, but they have different strengths and weaknesses. The KAC-7252 is a 5-channel amp that can output 75 watts per channel at 4 ohms. It also has a built-in crossover and time alignment, which can be helpful for getting the most out of your woofers. The KAC-9104D is a 4-channel amp that can output 100 watts per channel at 4 ohms. It also has a built-in subwoofer output, which can be used to power a separate subwoofer.
If you are looking for an amp that can power all of your speakers, the KAC-7252 is a great option. It is also a good choice if you want an amp with built-in crossover and time alignment. However, if you are looking for an amp that can power a subwoofer, the KAC-9104D is a better choice. It is also a good choice if you want an amp with more power output.
Ultimately, the best amp for you will depend on your specific needs and budget. If you are not sure which amp is right for you, it is always a good idea to consult with a professional car audio installer.
Here is a more detailed comparison of the two amps:
Kenwood KAC-7252
  • 5-channel amp
  • 75 watts per channel at 4 ohms
  • Built-in crossover and time alignment
  • MSRP: $399
Kenwood KAC-9104D
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  • 100 watts per channel at 4 ohms
  • Built-in subwoofer output
  • MSRP: $499
I hope this helps!
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Do not exceed the rated load for your amp, you will damage it. Here is the datasheet for your amplifier

http://manual.kenwood.com/files/B64-3031-00_En.pdf
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I dont no how many watt my amp has

Hi and welcome to FixYa,

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Good luck and thank you for asking FixYa.
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