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Author Topic: NAD VISO HP50s impressions/measurements  (Read 14423 times)

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sp0525

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Re: NAD VISO HP50s impressions/measurements
« Reply #30 on: November 19, 2013, 04:34:36 AM »
Interesting. Both measurements are quite comparable except top octaves (maybe because of different positioning?).
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Marvey

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Re: NAD VISO HP50s impressions/measurements
« Reply #31 on: November 19, 2013, 04:36:34 AM »
Absorption, positioning, rig construction materials, etc. I believe there are consistent differences between UB and my measurement rig. I think I get more mid- treble but less high-treble.

These headphones so seem to lack air. Let me test on better equipment to confirm this.
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Hands

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Re: NAD VISO HP50s impressions/measurements
« Reply #32 on: November 19, 2013, 05:26:35 AM »
Quote from: purrin on November 19, 2013, 04:06:16 AM
UB brought these NAD VISO HP50 over tonight and we had a mini-meet.They don't sound too bad, but they do sound very bassy and a bit trebly. That's sort of what I hear. They also remind me of the Beats Studio (don't laugh - they are actually not as bad as people want to make them out to be.)

So we brought out the Beats Studio (from cold storage) and popped in new batteries. Lo and behold! I think I prefer the Beats - just a more even presentation, although the middle-mids on the Beats seem sucked out more, the overall FR transitions seems smoother than the NAD VISO HP50. Vocals sound much more normal. (Vocals on the NAD sound nasally - just kind of off - hard to describe - probable dip in vocal harmonics region.) And the Beats have more normal bass too.

This was a post I was not expecting to read. Weird, but interesting and enlightening regardless. I haven't heard a Beats product in years (the all knowing HF wizards told me to stay away!).
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Sforza

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Re: NAD VISO HP50s impressions/measurements
« Reply #33 on: November 19, 2013, 06:26:01 AM »
Here's another measurement from about.com:


http://stereos.about.com/od/accessoriesheadphones/ss/NAD-Viso-HP-50-Measurements.htm

Something of interest on the link is the method used to get these measurements. They seem to match the uncompensated ones on IF. They also look quite different from the ones UB and Purrin took. I think it's strange because I took a look at some recent measurement data for other headphones from here and on IF, the Abyss and TH-600/900 ones seem to match up very well.

Here's another measurement from: http://www.lesnumeriques.com/casque-audio/nad-viso-hp-50-p16904/test.html



These ones seem to match the UB/Purrin ones.
« Last Edit: November 19, 2013, 06:42:57 AM by Sforza »
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ultrabike

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Re: NAD VISO HP50s impressions/measurements
« Reply #34 on: November 19, 2013, 06:43:54 AM »
The about.com seems like an ear simulator measurement. AFAIK those typically need some sort of compensation, similar to what Tyll does, to correlate well with impressions.

Lesnumeriques probably is a leaky baffle and has some smoothing going on there.
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Sforza

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Re: NAD VISO HP50s impressions/measurements
« Reply #35 on: November 19, 2013, 06:56:15 AM »
Quote from: ultrabike on November 19, 2013, 06:43:54 AM
Lesnumeriques probably is a leaky baffle and has some smoothing going on there.

Yep, the Lesnumeriques one seems to have too much smoothing applied and I highly doubt that 8-9k peak. I meant to write similarities only insofar as the gradual dip from 1k to 3k.
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Solderdude

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Re: NAD VISO HP50s impressions/measurements
« Reply #36 on: November 19, 2013, 07:05:20 AM »


A Russian measurement or 2 of them in the same plot.

HDM1 = Dummy head
SF1 = 'flat' home made rig

source: http://personalaudio.ru/raa/otchety/naushniki/nad-viso/
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Use your ears to enjoy music, not as an analyser.

ultrabike

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Re: NAD VISO HP50s impressions/measurements
« Reply #37 on: November 19, 2013, 07:57:24 AM »
LOL! Yup, that site sort of takes the two approaches. Their SF1 seems a little treble happy, but could be an indication of product variation.
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Solderdude

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Re: NAD VISO HP50s impressions/measurements
« Reply #38 on: November 19, 2013, 09:44:34 AM »
It's the same headphone measured on 2 different rigs.
Both rigs have their good and bad points/assets and tell a different story of the same headphone.

Strangely enough some headphones measure very similar on their 2 different rigs others vary a lot (mostly in the bass and/or treble area).

Not all headphones were measured on both rigs though.

Their Viso measured best on their manekin head.

Somewhere on that site you can find pictures of both test setups.
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donunus

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Re: NAD VISO HP50s impressions/measurements
« Reply #39 on: November 21, 2013, 04:29:08 AM »
I got the NADs earlier and my impressions are that the 4khz rise isn't anything annoying (maybe because the square wave doesn't have a sharp attack?) anyway, I do hear the transition from the dip to the rise in that area as a slightly hollow sound to the mids. In a direct comparison to a $99 Sennheiser HD280pro, the refinement level is about the same but the bass of the NAD is tighter. I do however prefer the midrange of the Sennheiser and at 100 bucks it is a better value.
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