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Fiio E10 line out

post #1 of 3
Thread Starter 

Forgive me I am a noob, this may be a stupid question but I need to know.

 

Fiio E10 Headphone output path is Wolfson WM8740 -> AD8397 OPAMP right? How is line out then? Does OPAMP has impact on line out? Or is this pure WM8740 sound bypassing OPAMP? Please explain, I love you all :)

post #2 of 3

There is another opamp in between the WM8740 and AD8397. It is the DAC buffer, which is the one that pumps out the line signal. So strictly speaking AD8397 doesn't have any effect on the line-out. The DAC buffer of course will have an effect, but it is required by the DAC and because it is a buffer, it will affect less on the signal than the amplifier section.

post #3 of 3
Thread Starter 

you are awesome, thank you

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