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Author Topic: Fostex TH900 Frequency Response and CSD Waterfall Plots  (Read 13118 times)

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Marvey

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Fostex TH900 Frequency Response and CSD Waterfall Plots
« on: June 19, 2012, 04:16:31 PM »
Fostex TH900 Frequency Response and CSD Waterfall Plots



Posted on HF first since request came through HF. Just posting here for completeness.
« Last Edit: July 21, 2012, 08:53:54 PM by purrin »
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Questhate

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Re: Fostex TH900 Frequency Response and CSD Waterfall Plots
« Reply #1 on: June 19, 2012, 04:33:12 PM »
Interesting. Did you cave in and buy a pair of these?
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Anaxilus.

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Re: Fostex TH900 Frequency Response and CSD Waterfall Plots
« Reply #2 on: June 19, 2012, 04:37:48 PM »
Interesting versus the D7000. 
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rhythmdevils

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Re: Fostex TH900 Frequency Response and CSD Waterfall Plots
« Reply #3 on: June 19, 2012, 04:53:17 PM »
HF first?  WTF!  You know we have an auto request on 24/7 :p
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n3rdling

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Re: Fostex TH900 Frequency Response and CSD Waterfall Plots
« Reply #4 on: June 19, 2012, 09:47:13 PM »
Told you these were super bassy Max.
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Hawaiiancerveza

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Re: Fostex TH900 Frequency Response and CSD Waterfall Plots
« Reply #5 on: June 20, 2012, 12:11:58 AM »
Thanks Purrin!
Do the graphs say that they are good?  I mean... correct me if I don't see it correctly.  But I don't see purple or pink, I see deep blue... safer than most cans?

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rhythmdevils

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Re: Fostex TH900 Frequency Response and CSD Waterfall Plots
« Reply #6 on: June 20, 2012, 12:19:21 AM »
Have you read these Hawaiian? 

http://www.changstar.com/index.php/topic,120.0.html
http://www.changstar.com/index.php/topic,71.0.html

The colors are there just to make it easier to see.  Look at the horizontal axis on the right, and you look for how far the ridges move out over time. 
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Hawaiiancerveza

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Re: Fostex TH900 Frequency Response and CSD Waterfall Plots
« Reply #7 on: June 20, 2012, 04:13:17 AM »
Oh no I haven't.  I'm such a noob.  Thank you!  I just read through them and have a better understanding of this now.  Now only to find a HP that doesn't have any spikes....

So for the TH900 they are pretty good.  On the 1k is considered a spike, right?
« Last Edit: June 20, 2012, 04:19:37 AM by Hawaiiancerveza »
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Marvey

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Re: Fostex TH900 Frequency Response and CSD Waterfall Plots
« Reply #8 on: June 20, 2012, 04:30:56 AM »
bump at 1k on the FR. spike at 7k on FR with corresponding ridge on CSD.
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Maxvla

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Re: Fostex TH900 Frequency Response and CSD Waterfall Plots
« Reply #9 on: June 22, 2012, 09:39:21 AM »
Quote from: n3rdling on June 19, 2012, 09:47:13 PM
Told you these were super bassy Max.
Except that they aren't. The graph shows response you normally see for IEMs with boosted bass, or Monster Beats, but the TH900 I heard sounded nothing like that.

For comparison, Monster Beats: http://graphs.headphone.com/graphCompare.php?graphType=0&graphID[]=1443

Pretty similar except the bump is moved up in the mids a bit, and lacking the extension to 20KHz.
« Last Edit: June 22, 2012, 09:49:32 AM by Maxvla »
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