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Author Topic: K550 Frequency Response and CSD Waterfall Plot Measurements  (Read 22585 times)

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rhythmdevils

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Re: K550 Frequency Response and CSD Waterfall Plot Measurements
« Reply #20 on: June 29, 2012, 05:39:24 AM »

Is there any explanation (from the measurements) as to why they seem to have a decently wide soundstage but no depth?

Did you read my impressions above?  I'd say the soundstage weirdness they have is coming from the difference in decay patterns between midrange and upper midrange, and also by the "driver dildo".  The soundstage is more natural without it. 
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Marvey

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Re: K550 Frequency Response and CSD Waterfall Plot Measurements
« Reply #21 on: June 29, 2012, 05:43:18 AM »

  • Nirvana Nevermind (Japan or MFSL) Lithium.
  • Talking Heads Speaking In Tongues (2007 remaster or original CD) Naive Melody.
Be sure to turn up the volume. You are not supposed to be listening to Nirvana at 65db. Yes, I'll pick the most challenging recordings. But my listening is not genre limited. Sometimes I like to listen loud ~93-95db. Well behaved headphones should have no serious issues with most musical genres and a wide selection of recordings. I do not pick specific headphones for specific recordings. Nor is my philosophy to own a dozen mediocre headphones with issues.
« Last Edit: June 29, 2012, 05:45:05 AM by purrin »
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Sforza

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Re: K550 Frequency Response and CSD Waterfall Plot Measurements
« Reply #22 on: June 29, 2012, 06:19:00 AM »

Did you read my impressions above?  I'd say the soundstage weirdness they have is coming from the difference in decay patterns between midrange and upper midrange, and also by the "driver dildo".  The soundstage is more natural without it.

Yep I read it, but I didn't think removing the dildo would affect the soundstage much until I re-read the mods performed. I probably should have known, since I have a pair of headphones that had a... reverse dildo D: ... the M-Audio Q40. Removing it also made the soundstage more natural and improved its midrange (more forward, clearer, etc.) It also has problems with enclosure resonance now that weren't so apparent before the mod, so I'm working on dampening the bass because its drivers are of surprisingly good quality.
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rhythmdevils

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Re: K550 Frequency Response and CSD Waterfall Plot Measurements
« Reply #23 on: June 29, 2012, 06:24:31 AM »

Yeah it's more of a condom, but driver dildo just sounds catchy. 
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PelPix

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Re: K550 Frequency Response and CSD Waterfall Plot Measurements
« Reply #24 on: July 03, 2012, 10:05:51 PM »

These aren't half bad if you shave the peak off a bit with EQ, though.  They're definitely not GOD AWFUL, they're just not very good.
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Hands

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Re: K550 Frequency Response and CSD Waterfall Plot Measurements
« Reply #25 on: July 03, 2012, 10:50:58 PM »

Distortion measurements compared to V-Moda M80. These K550s really suck.

Sorry for the noob question, but what exactly is so bad about the K550 distortion measurements compared to the M80? Is it mostly the D2 distortion above 2KHz? Just trying to learn how to read these as best as possible. :)
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Marvey

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Re: K550 Frequency Response and CSD Waterfall Plot Measurements
« Reply #26 on: July 04, 2012, 01:33:24 AM »

Mainly D2. Because it's magnitude higher than the others D3, D4, etc. the THD line usually ends up looking like the D2 line.
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donunus

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Re: K550 Frequency Response and CSD Waterfall Plot Measurements
« Reply #27 on: July 04, 2012, 07:35:03 AM »

Yeah.  I was also intentionally listing positives to try to prevent what happened.  ;-) 

So overall do you think these cans were worth the money?
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PelPix

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Re: K550 Frequency Response and CSD Waterfall Plot Measurements
« Reply #28 on: July 04, 2012, 04:00:38 PM »

Spent a week trying to sell my k550s and then realized that they're new so I can just send them to headroom to be restocked and get a full refund.  Bonafide moron right here.
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imackler

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Re: K550 Frequency Response and CSD Waterfall Plot Measurements
« Reply #29 on: July 06, 2012, 06:12:13 AM »

It's too bad about the treble. There were some good things about these headphones, but they actually hurt my ears, and I don't listen loud. I wasn't getting any bites in selling mine but traded for a AHA-120, w/ cash on my side. Best headfi move I've ever made!
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