Has my amp gone bad?
#1
Has my amp gone bad?
Driving along minding my own business and a loud squeal and a number of pops from the audio system. I immediately turn off the system and there are still a number of pops and scratches heard through the speakers. When I get home all seems to be working and I test all the speakers and there are none blown. Listen for about another 10 minutes and it does is again. Now I get no sound and I am even getting a little pops when the system is off. All other functions of the display, phone and navigation are working properly. It seems my amp has gone bad. I know a number of you have replaced the amp and am wondering what my options are at this point. Thanks for your help.
#3
Racer
iTrader: (3)
I would make sure that it isn't the radio first,since this might be easier to test. If it is indeed the amp & not the radio, the most simple solution would be to buy another amp & just plug/play. I see them on ebay, so shouldn't be hard to find. Another solution would be adding inline converters to the radio, then you can add aftermarket amp(s). You could also replace the radio with a newer aftermarket unit,there have been many discussed on the forum. Most new units are high powered(amplified), so they would be able to power your speakers, then add an amp for your woofer. Any of your local car audio stores should be able to help with this & hopefully work within a budget that works for you.....hope some of these options help......as I was writing this, a light went off inside my head...lol....check your plugs/connections also, the sounds you hear could possibly be something loose & grounding itself
#4
This happens on both radio and CD output. I went by one of the well respected car audio shops here in town and two individuals are pretty sure it will be the amp. I was in the audio business in the late 60s early 70s and this is my conclusion also. I already bought a used one on eBay and will put it in when it arrives.
#5
Lead Lap
It could also be a bad connection in the system somewhere.
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#8
Lexus Test Driver
Just out of curiosity, do you still have all of the OEM ML speakers?
#10
Lexus Test Driver
It makes me wonder why the amp went bad!
Are you sure about the speakers?
I am probably wrong but I thought they had the same part number 2002-2010.
Guess I could easily find out!
Google!
#11
I wanted to know about the speakers because I was curious if you were using aftermarket 4ohm speakers.
It makes me wonder why the amp went bad!
Are you sure about the speakers?
I am probably wrong but I thought they had the same part number 2002-2010.
Guess I could easily find out!
Google!
It makes me wonder why the amp went bad!
Are you sure about the speakers?
I am probably wrong but I thought they had the same part number 2002-2010.
Guess I could easily find out!
Google!
The shop I had put this one in said they had done a number of other ML amps and they were known in the business as problematic.
#12
Racer
iTrader: (3)
I wanted to know about the speakers because I was curious if you were using aftermarket 4ohm speakers.
It makes me wonder why the amp went bad!
Are you sure about the speakers?
I am probably wrong but I thought they had the same part number 2002-2010.
Guess I could easily find out!
Google!
It makes me wonder why the amp went bad!
Are you sure about the speakers?
I am probably wrong but I thought they had the same part number 2002-2010.
Guess I could easily find out!
Google!
#13
Lead Lap
It is possible that the speaker do have the same part number but just changed revisions. Lexus could have improved the speakers and kept the part number the same and just bumped the rev #.
#14
Lexus Test Driver
Thanks for providing that information! I was always led to believe the amp would burn out with 4 ohm speakers, but you have proven that is not the case! Seven years is certainly a good example!
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