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ALC1150 output impedance on ASRock Purity Sound

ssl4000
By ssl4000
in Audio
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Posted

Anybody knows what's the output impedance of this chip on this mobo (Z87 Extreme4)? I read somewhere that ALC1150 has ~2 ohms BUT I read somewhere else that manufacturers adds some things while implementing chip on mobos which increases output impedance even up to ~75 ohms. I need to know because audio on this mobo looks really nice and I want to follow 1/8th rule for source/headphones impedance and can't find any info on ASRock page. Thanks!

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Posted

If the output impedance was 75 ohms you'd "need" a 600 ohm headphone. o.0

I think most of the realtek chips have a rather low output impedance.

Looking at a chart it's 2 ohms with a amped output, 200 with non-amped output, whatever that means.

Stock coolers - The sound of bare minimum

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