CHANGSTAR: Audiophile Headphone Reviews and Early 90s Style BBS

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Author Topic: STAX SR007mk1 Frequency Response and CSD Waterfall Plot Measurements  (Read 5176 times)

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rhythmdevils

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Re: STAX SR007mk1 Frequency Response and CSD Waterfall Plot Measurements
« Reply #10 on: July 03, 2012, 10:37:52 PM »

Not sure I would agree the 2.5 is more refined. IMO after comparing both I thought it was a step backward from the mk1 (ports sealed on 2.5), most obvious on female vocals.

I've only heard them at meets and never payed attention to which version (never been in the market for one) so can't say.  I wonder what is causing the difference. 
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n3rdling

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Re: STAX SR007mk1 Frequency Response and CSD Waterfall Plot Measurements
« Reply #11 on: July 04, 2012, 12:26:10 AM »

mk2/2.5 pads use real leather so that probably causes some difference.  I believe Birgir has opened up the smk2.5s and said the drivers are a little different as well.
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Elysian

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Re: STAX SR007mk1 Frequency Response and CSD Waterfall Plot Measurements
« Reply #12 on: July 04, 2012, 12:31:38 AM »

Wasn't Stax saying the MK2.5 uses some driver technology related to the SR009?
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spritzer

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Re: STAX SR007mk1 Frequency Response and CSD Waterfall Plot Measurements
« Reply #13 on: July 04, 2012, 03:05:57 PM »

Yes, the SZ3 (or Mk2.5) uses the same diaphragm material as the 009.  That's why my SZ2 "fix" will not work on SZ3 sets as the midrange issues do not stem from the driver-ear distance.  The rest of the drivers is pretty much the same but a Mk1 driver will not fit in a Mk2.5 shell comfortably. 
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