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Old 08-09-2011, 08:25   #1
dfkt
 
 
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Default Cowon D3 RMAA Tests

The D3 measures basically the same as any other modern Cowon player, unsurprisingly. It has a slight bass roll-off with very low impedance phones, which should generally be inaudible. It has low output impedance (only a bit higher than the Clip+), so it works well with multi-armature IEMs (unlike the Sony A845 or Archos 32). Distortion levels and stereo crosstalk are all very fine on the D3. Dynamic range and noise levels are a bit weaker than on other Cowons, but that shouldn't matter much.

RMAA results:

Cowon D3 - Impedances
Cowon D3, C2, J3, V5 - 16 Ohm
Cowon D3, Sansa Clip+, Sony A845, Archos 32 - 16 Ohm
Cowon D3, Sansa Clip+, Sony A845, Archos 32 - 32 Ohm
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Old 08-09-2011, 19:18   #2
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It may be posted elsewhere on this site, but how does the currently most popular PMP (iTouch 4) compare in identical objective testing?

Actually, would be curious how all the various popular PMPs compare in such objective tests.

Thanks.

________

Edit - just noticed that dfkt does list a Sansa, Sony and Archos in his comparisons.

Last edited by jakeroux; 08-09-2011 at 22:08.. Reason: Add'l info
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Old 08-09-2011, 19:56   #3
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IMO I think the Cowon D3 is the richest warmest sounding Cowon player I have heard. The bass is more deeper resulting in a 3D soundstage.
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DAP - Cowon J3 8GB White + 16GB microSDHC - Sony X1060 32GB - Sansa Fuze V2 8GB + 8GB microSDHC (Rockbox) - Sansa Clip+ 8GB + 4GB microSDHC - Sony S639F 16GB - Cowon D2 8GB + 8GB SDHC - Cowon iAudio X5 30GB - Cowon iAudio i5 1GB - Apple iPod Touch 4G 64GB - Cowon D3 32GB - Apple iPod Video 5G (Rockbox) 30GB - Apple iPod Nano 2G (Rockbox) 4GB - Sony A845 16GB - Sony S754 8GB - Samsung R0 16GB

IEM - Panasonic HJE900 - Sennheiser CX300II - JVC FXC80
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Old 08-10-2011, 03:32   #4
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Quote:
Originally Posted by jakeroux View Post
how does the currently most popular PMP (iTouch 4) compare in identical objective testing?
Current Apple products have really impressive technical sound quality, comparable to Cowon or maybe even better in some areas (see this, for example). Too bad they don't have a proper user-adjustable equalizer -- let alone the full BBE effect arsenal.
Quote:
Originally Posted by Artmuzz
IMO I think the Cowon D3 is the richest warmest sounding Cowon player I have heard. The bass is more deeper resulting in a 3D soundstage.
And yet it sounds exactly the same as Cowon J3, for example...
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Old 08-10-2011, 06:46   #5
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Quote:
Originally Posted by el maco View Post
And yet it sounds exactly the same as Cowon J3, for example...
I disagree. I own a Cowon J3 too and I compared both DAPs with the same BBE JetEffect setting and same IEMs and the SQ of the D3 is more bass rich with a bigger soundstage. However, I agree with you that the Apple DAPs have good SQ because RockBox on my iPod Nano 2G and iPod 5G Video sounds much better than RockBox on my Sansa Clip+ again using the same EQ/Sound settings.
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DAP - Cowon J3 8GB White + 16GB microSDHC - Sony X1060 32GB - Sansa Fuze V2 8GB + 8GB microSDHC (Rockbox) - Sansa Clip+ 8GB + 4GB microSDHC - Sony S639F 16GB - Cowon D2 8GB + 8GB SDHC - Cowon iAudio X5 30GB - Cowon iAudio i5 1GB - Apple iPod Touch 4G 64GB - Cowon D3 32GB - Apple iPod Video 5G (Rockbox) 30GB - Apple iPod Nano 2G (Rockbox) 4GB - Sony A845 16GB - Sony S754 8GB - Samsung R0 16GB

IEM - Panasonic HJE900 - Sennheiser CX300II - JVC FXC80

Last edited by Artmuzz; 08-10-2011 at 06:49..
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Old 08-10-2011, 06:51   #6
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One of your players must be broken then, since the D3 and J3 sound exactly the same. There is no audible difference.
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Old 08-10-2011, 06:55   #7
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Quote:
Originally Posted by dfkt View Post
One of your players must be broken then, since the D3 and J3 sound exactly the same. There is no audible difference.
How do I go about fixing my J3 then to sound like the D3? Could it be the firmware I'm using?

Please advise
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DAP - Cowon J3 8GB White + 16GB microSDHC - Sony X1060 32GB - Sansa Fuze V2 8GB + 8GB microSDHC (Rockbox) - Sansa Clip+ 8GB + 4GB microSDHC - Sony S639F 16GB - Cowon D2 8GB + 8GB SDHC - Cowon iAudio X5 30GB - Cowon iAudio i5 1GB - Apple iPod Touch 4G 64GB - Cowon D3 32GB - Apple iPod Video 5G (Rockbox) 30GB - Apple iPod Nano 2G (Rockbox) 4GB - Sony A845 16GB - Sony S754 8GB - Samsung R0 16GB

IEM - Panasonic HJE900 - Sennheiser CX300II - JVC FXC80

Last edited by Artmuzz; 08-10-2011 at 06:58..
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Old 08-10-2011, 09:06   #8
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Quote:
Originally Posted by jakeroux View Post
It may be posted elsewhere on this site, but how does the currently most popular PMP (iTouch 4) compare in identical objective testing?

Actually, would be curious how all the various popular PMPs compare in such objective tests.

Thanks.

________

Edit - just noticed that dfkt does list a Sansa, Sony and Archos in his comparisons.

http://iaudiophile.net/forums/showthread.php?t=39151

I found the above thread a good read. Found using the search engine initially a few weeks ago
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Old 08-11-2011, 06:03   #9
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Quote:
Originally Posted by dfkt View Post
One of your players must be broken then, since the D3 and J3 sound exactly the same. There is no audible difference.
Hello, I presume you mean my Cowon J3 is broken considering my D3 sounds better. So if both DAPs are supposed to sound the same then how do I fix my J3 to sound as good as my D3. Do you thinks its something to do with the J3 firmware?

Please advise.
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DAP - Cowon J3 8GB White + 16GB microSDHC - Sony X1060 32GB - Sansa Fuze V2 8GB + 8GB microSDHC (Rockbox) - Sansa Clip+ 8GB + 4GB microSDHC - Sony S639F 16GB - Cowon D2 8GB + 8GB SDHC - Cowon iAudio X5 30GB - Cowon iAudio i5 1GB - Apple iPod Touch 4G 64GB - Cowon D3 32GB - Apple iPod Video 5G (Rockbox) 30GB - Apple iPod Nano 2G (Rockbox) 4GB - Sony A845 16GB - Sony S754 8GB - Samsung R0 16GB

IEM - Panasonic HJE900 - Sennheiser CX300II - JVC FXC80
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Old 08-11-2011, 13:08   #10
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Quote:
Originally Posted by Artmuzz View Post
if both DAPs are supposed to sound the same then how do I fix my J3 to sound as good as my D3. Do you thinks its something to do with the J3 firmware?
I highly doubt it has anything to do with the firmware. When you are comparing the two players, how do you make sure both of them play identically loud? Volume matching is crucial before you can do any comparison. Also, I hope you don't mind me saying this, but I suspect there might be some cognitive biasing involved in favor for the newer, more expensive device. This phenomenon is very difficult to get rid of (I speak from personal experience here ) unless you can somehow listen without knowing which player you are actually hearing.
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Old 11-15-2011, 07:58   #11
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I can not open either link from the initial post. This error message appears:

Incorrect format for file ./languages/ru.txt on line 1.
Format is "variable name[tab]value"

Can you please re-upload the results somewhere else?
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Old 11-15-2011, 09:43   #12
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Remove the "index.php?dir=" and "&file=" parts from the links, then it should work. Like this: http://rmaa.elektrokrishna.com/Compa...Impedances.htm

No idea what's wrong with the Russian language translation of the script I use. Or try a different browser, or different language encoding setting.
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Old 11-15-2011, 15:40   #13
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Thanks, that helped!
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