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Iphone 5 and new ipod touch DAC? - Page 8

post #106 of 178
10/12/12 at 12:15pm

Oh I forgot to add, based on GE's graphs, the IP5's Line-out performance is very very close to the IP4's (which is the best of the 3), while the 4S is notably inferior to both here. 

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post #107 of 178
10/12/12 at 12:33pm
Don't forget the Galaxy Note 2 which will have an output impedance of about 2 ohms according to my maths applied to gsmarena graph.

For the first time ever iPod Touch has a much lower impedance than its iPhone peer. Surprising i think. If it had had 128gb i would have ordered one in a heartbeat.


You do not really understand something unless you can explain it to your grandmother
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post #108 of 178
10/12/12 at 7:33pm
Quote:
Originally Posted by Inks View Post

Oh I forgot to add, based on GE's graphs, the IP5's Line-out performance is very very close to the IP4's (which is the best of the 3), while the 4S is notably inferior to both here. 

 

How can GE test the IP5 line out? There is no access to analog sound through the Lightning connector. Is this using the new adapter with internal DAC? (If so, that is very interesting.) Or using the headphone out as a line out?

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post #109 of 178
10/12/12 at 8:45pm
Quote:
Originally Posted by cooperpwc View Post

 

How can GE test the IP5 line out? There is no access to analog sound through the Lightning connector. Is this using the new adapter with internal DAC? (If so, that is very interesting.) Or using the headphone out as a line out?

I really would like to know that as well

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post #110 of 178
10/12/12 at 9:48pm

i do not really understand something unless i can explain it to my grandmother.

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post #111 of 178
10/12/12 at 11:35pm
I think that Goldenears is measuring the headphone jack without load not the line out port.

I'll double check with them anyway


You do not really understand something unless you can explain it to your grandmother
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post #112 of 178
10/13/12 at 12:01am

Ya, I may be wrong and it's not the LO, but what's confusing is the fact that the 4S has a lot more roll-off than the 5 despite of the lower output impedance in the unloaded and loaded tests. 

 

I think they mimic the LO in the HO, strange, it's an amplifier test as they like to call it. 


Edited by Inks - 10/13/12 at 12:03am
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post #113 of 178
10/13/12 at 9:57am
I do not really understand something unless I can explain it to my grandmother.
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post #114 of 178
10/13/12 at 10:43am
As someone else posted in another thread, the new adapter comes with a Wolfson DAC. Interesting indeed lol http://www.abiresearch.com/blogs/
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post #115 of 178
10/13/12 at 11:05am
Quote:
Originally Posted by CoryGillmore View Post

As someone else posted in another thread, the new adapter comes with a Wolfson DAC. Interesting indeed lol http://www.abiresearch.com/blogs/

Ohh.. thats interesting.

A custom solution from Wolfson, maybe a custom WM8524?

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post #116 of 178
10/13/12 at 11:39am
Quote:
Originally Posted by Chefano View Post

Ohh.. thats interesting.

A custom solution from Wolfson, maybe a custom WM8524?

If you actually click the link, it tells you...lol

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post #117 of 178
10/13/12 at 12:30pm

I tried to explained to my grandmother, but i still not understanding.

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post #118 of 178
10/13/12 at 12:39pm
Is there someone's grandmother I can explain this to?
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post #119 of 178
10/13/12 at 2:16pm
I don't think i could explain to my grandmother that the built-in dac is Cirrus and the adapter one is Wolfson. My 92 grandmoher will never understand this move;)


You do not really understand something unless you can explain it to your grandmother
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post #120 of 178
10/13/12 at 2:24pm
Well, my grandmother has been deceased for quite a long time,...I need a loner. rolleyes.gif
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