Some questions about Apple AirPort Express

wgxold · 23rd May 2011, 03:10 PM

Hi all,

I buy an Apple AirPort Express and want to do diy to improve the performance. But it is hard to know the part number audio DAC. I'm sure that the chip is not PCM27XX. I think Apple changed their hardware after 2008. Does anyone know it? I need your help, thanks.

lesuisse · 23rd May 2011, 06:54 PM

The D/A converter in AE is CS4344 from Cirrus Logic.

wgxold · 24th May 2011, 12:13 AM

Quote:

Originally Posted by lesuisse

The D/A converter in AE is CS4344 from Cirrus Logic.

Thank you very much !! I only get the part number on the chip as AAT BBY. I believe it is D/A converter bacause it's position.

wgxold · 24th May 2011, 12:40 AM

I think I'm wrong. The chip marked with AATBBY should be an Amplifier. I hope I can find the part number.

23rd May 2011, 03:10 PM	#1
wgxold diyAudio Member Join Date: May 2011	Some questions about Apple AirPort Express Hi all, I buy an Apple AirPort Express and want to do diy to improve the performance. But it is hard to know the part number audio DAC. I'm sure that the chip is not PCM27XX. I think Apple changed their hardware after 2008. Does anyone know it? I need your help, thanks.

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23rd May 2011, 06:54 PM	#2
lesuisse diyAudio Member Join Date: Oct 2004	The D/A converter in AE is CS4344 from Cirrus Logic.

24th May 2011, 12:40 AM	#4
wgxold diyAudio Member Join Date: May 2011	I think I'm wrong. The chip marked with AATBBY should be an Amplifier. I hope I can find the part number.

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