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DIY For Audio
Battery driven 3.5V to 5V mini chip amp for speakers based on PAM8406 - my take
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<blockquote data-quote="Wolla" data-source="post: 731950" data-attributes="member: 664"><p>Hi Felix, thanks for your interest. Going a bit slower than I expected. Making 10 of the planned amp housings takes a lot of time and I am making some jigs along the way as well. Lots of decisions and second guessing too :thinking:</p><p></p><p>I fixed my test speakers today as well. Rogers LS4/a2. While testing the amps I noticed the sound was off and last night I had a look inside and discovered a few issues: the one speaker crossover network was installed upside down and thus out of phase. The same speaker also did not have all of the original foam padding and both speakers did not have a good seal between the drivers and the baffle. I fixed all that and now they sound just great and the bass is back. This also means that the 5V amps sound even better now.</p><p></p><p>Hopefully I will have a completed prototype by the weekend, painted and all.</p></blockquote><p></p>
[QUOTE="Wolla, post: 731950, member: 664"] Hi Felix, thanks for your interest. Going a bit slower than I expected. Making 10 of the planned amp housings takes a lot of time and I am making some jigs along the way as well. Lots of decisions and second guessing too :thinking: I fixed my test speakers today as well. Rogers LS4/a2. While testing the amps I noticed the sound was off and last night I had a look inside and discovered a few issues: the one speaker crossover network was installed upside down and thus out of phase. The same speaker also did not have all of the original foam padding and both speakers did not have a good seal between the drivers and the baffle. I fixed all that and now they sound just great and the bass is back. This also means that the 5V amps sound even better now. Hopefully I will have a completed prototype by the weekend, painted and all. [/QUOTE]
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DIY & Tutorials
DIY For Audio
Battery driven 3.5V to 5V mini chip amp for speakers based on PAM8406 - my take
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