Max volume hifiberry amp+

Raspberry Pi related support

Max volume hifiberry amp+

Postby deef » 26 Mar 2016, 18:44

I got a rpi2 with a hifiberry amp+ hat I got hardware volume to work. Only problem is if I by accident turn the volume to 100% it's VERY loud and distorted.

Can I somehow set a max volume which are in the tolerate range and won't kill my system heart and ears. So when I crank it to max in the runeaudio UI it's not really max but a fixed value by my choice.

Hope my question is clear enough, thanks!
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Re: Max volume hifiberry amp+

Postby PeteB » 26 Mar 2016, 19:12

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Re: Max volume hifiberry amp+

Postby dunghnguyen » 27 Mar 2016, 08:50

alsamixer
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Re: Max volume hifiberry amp+

Postby deef » 31 Mar 2016, 12:50

I'm not totally sure how to do that? Can you be a bit more precise?
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Re: Max volume hifiberry amp+

Postby TommyBoy » 31 Mar 2016, 12:57

how about change two resistors on the amplifier board ?
so 100% is now 5W and not 25watt
this way you also improve signal to noise floor :-)
ask the berry folks about what resistor to modify.
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Re: Max volume hifiberry amp+

Postby deef » 31 Mar 2016, 14:31

I'd rather not physically change the board.
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Re: Max volume hifiberry amp+

Postby PeteB » 31 Mar 2016, 16:23

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Re: Max volume hifiberry amp+

Postby dunghnguyen » 31 Mar 2016, 16:40

Yes @PeteB, if logging in by user 'root' with password of 'rune' then simply typing:

alsamixer

then we cud adjust the original volume.
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