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Posts: 204 | Thanked: 754 times | Joined on Jan 2012 @ Finland
#185
I got a question from user, regarding the missing DAC highpass filter (hw issue) and the possibility of blowing up speakers. This issue is something that I have completely forgot to discuss. So here goes for starters..

- I have personally spent several hours playing all kinds of music through alsa, without nokia pulseaudio which is supposed to have that particular filter, with volume maxed out in alsamixer. Speakers of my N900 are still working fine. This was one of the first tasks I did when I started working with this. Add to that all the regular use I have had in the process.

- Quick peek at Google and I found one thread about N9 speaker blown, with nitdroid. Meego mailing list very briefly mentioned that it is possible to harm the device if adjusting alsa levels when pulseaudio is doing the same. Is there anyone who actually has blown his speakers?

- If there are no other workarounds, than what is in Maemo and Meego, this issue would affect everyone running anything other than those two. Are there any reports of damage from users of other distributions somewhere?

Please, supply any information about this you might have, it's important.

Meanwhile, if you are afraid of the possible damage, mute the speaker. If that is too extreme measure, adjust the speaker volume to sane level.
 

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