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The Terminator
Interior and Exterior Body & Chassis
Mach460 Amp Bad. Anyone take one apart?
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<blockquote data-quote="Sagittaria" data-source="post: 12464464" data-attributes="member: 113330"><p>I'm not prepared to gut the mach 460 just yet. With some new tweeters and a head unit it actually sounded pretty decent.</p><p></p><p>Thanks brenden, all the solder looks good. I kinda wish it was failed connection though <img src="data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7" class="smilie smilie--sprite smilie--sprite3" alt=":(" title="Frown :(" loading="lazy" data-shortname=":(" /></p><p></p><p>I've determined it is a bad MOSFET following up on some older threads saying they were a common fail point. I've ordered some upgraded replacements. </p><p></p><p>While I'm at it I ordered upgraded caps for the ten year old general purpose Nichicon VXs for some Panasonic FMs (for the 4 power caps) and Nichicon KAs (9 audio path) for cheap. Total of 13 to recap - pretty easy. I will keep you posted to see how much this improves sound quality.</p></blockquote><p></p>
[QUOTE="Sagittaria, post: 12464464, member: 113330"] I'm not prepared to gut the mach 460 just yet. With some new tweeters and a head unit it actually sounded pretty decent. Thanks brenden, all the solder looks good. I kinda wish it was failed connection though :( I've determined it is a bad MOSFET following up on some older threads saying they were a common fail point. I've ordered some upgraded replacements. While I'm at it I ordered upgraded caps for the ten year old general purpose Nichicon VXs for some Panasonic FMs (for the 4 power caps) and Nichicon KAs (9 audio path) for cheap. Total of 13 to recap - pretty easy. I will keep you posted to see how much this improves sound quality. [/QUOTE]
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Mach460 Amp Bad. Anyone take one apart?
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