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General Car Audio
High Frequency Whine from Stereo 04' Lexus RX330
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<blockquote data-quote="Doxquzme" data-source="post: 8866105" data-attributes="member: 689267"><p>OEM amplifiers are a different beast all together. I assume this is the stock set-up, not the Mark-Levinson edition. You have between 6 and 8 speakers in the car. It's a difficult process for most to test the OEM amplifiers. If you know the pin configuration, you can try. It's the HU or the amp and setting one or the other up to test could be difficult. You would have to spend $30-50 in harnesses just so you could isolate the two. You may want to see if a local shop (maybe a local electronic repair shop who isn't interested in selling you a new amplifier) and see what the cost is to test the amplifier. At least that way, if you have to start thinking about a new system, you'll know where to start. </p><p></p><p>A new amplifier can be had for around $110</p><p></p><p>[URL unfurl="true"]https://www.ebay.com/itm/234868300010?mkcid=1&mkrid=711-53200-19255-0&siteid=0&customid=link&campid=5335951755&toolid=20001&mkevt=1[/URL]</p><p></p><p>If it still makes the sound, then you know it is the HU and now you have an expensive paper weight until you can move it on ebay yoursel. Personally if would be worth it to me to eat $50 on the re-sell to move it fast knowing that it is the HU. At least you know where you need to start. If it's the amp, you're golden!</p></blockquote><p></p>
[QUOTE="Doxquzme, post: 8866105, member: 689267"] OEM amplifiers are a different beast all together. I assume this is the stock set-up, not the Mark-Levinson edition. You have between 6 and 8 speakers in the car. It's a difficult process for most to test the OEM amplifiers. If you know the pin configuration, you can try. It's the HU or the amp and setting one or the other up to test could be difficult. You would have to spend $30-50 in harnesses just so you could isolate the two. You may want to see if a local shop (maybe a local electronic repair shop who isn't interested in selling you a new amplifier) and see what the cost is to test the amplifier. At least that way, if you have to start thinking about a new system, you'll know where to start. A new amplifier can be had for around $110 [URL unfurl="true"]https://www.ebay.com/itm/234868300010?mkcid=1&mkrid=711-53200-19255-0&siteid=0&customid=link&campid=5335951755&toolid=20001&mkevt=1[/URL] If it still makes the sound, then you know it is the HU and now you have an expensive paper weight until you can move it on ebay yoursel. Personally if would be worth it to me to eat $50 on the re-sell to move it fast knowing that it is the HU. At least you know where you need to start. If it's the amp, you're golden! [/QUOTE]
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High Frequency Whine from Stereo 04' Lexus RX330
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