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MrSpeakers Alpha Dog Revealed! - The World's First Production 3D-Printed Headphones - Page 198

post #2956 of 8380

Thanks for the initial impressions.

post #2957 of 8380
Quote:
Originally Posted by Byronb View Post
 

Thanks for the initial impressions.

No problem.  and I can't wait for your impressions vs. the HD650!

post #2958 of 8380
Quote:

Originally Posted by mikemercer View Post


...Apparently my Alpha's should arrive TOMORROW!

I feel like an audio junkie ..

Uhhh, Mike, you ARE an audio junkie...

 

Enjoy them, I'll look forward to your feedback.  I'm still trying to decide whether to upgrade or just buy a pair.

post #2959 of 8380
Quote:
Originally Posted by swspiers View Post
 

No problem.  and I can't wait for your impressions vs. the HD650!

 

I foolishly did not preorder them, so sadly it is going to be a bit before mine arrive. But I will definitely be comparing them!!

post #2960 of 8380
Quote:
Originally Posted by jerg View Post
 

Like I said, they can't be compared except for qualitative stuff (e.g. certain patterns in the FR, like the twin humps around 600 Hz, hump at 4kHz, sharp dip at 9kHz, etc). For real comparisons there needs to be measurements from the same system (either Dan's or purrin's).

While I have not heard too many different headphones, the FR graphs have proven to be quite reliable for me with the headphones I have heard when compared to the plots I see on the graphs.  I often wonder how much my ears/brain play a part in this, as an 80dB tone at 200 Hz is quite comfortable to me, while at 2K-6K Hz at a similar dB, it seems blaring and much too loud.  My hearing appears to be so much more sensitive at the mid-frequencies, and this may be part of the reason why I seem prefer a more V-shaped sound signature.

post #2961 of 8380
post #2962 of 8380
Quote:
Originally Posted by swspiers View Post
 

Really quick update...

 

I tried them for about 15 minutes this morning, and absolutely no bass energy below about 40 Hz.

I am just curious how you picked that frequency, considering that - for example - bass (kick) drum and bass guitar are both entirely above 40 hz...


Edited by kstuart - 10/15/13 at 7:42pm
post #2963 of 8380
There was a whole 2-pages worth of off topic discussion a few days ago about electronic music. There are plenty of low-frequency sounds in that genre.
post #2964 of 8380

Mine is arriving tomorrow too, package was released by Australian customs this morning. Words cannot describe my anticipation. :D

 

I will probably be the first Alpha Dog owner in Australia.

post #2965 of 8380

Well I'm going to be listening to this song when the Tour Dog arrives.

post #2966 of 8380
Quote:
Originally Posted by jerg View Post
 

Regardless, the pattern definitely looks very similar to other MD measurements, except in this case the midrange with AD seems much more in-line with the rest of the FR (MD's midrange had a bit of a hill around 800 Hz with purrin's measurements), and overall sweeping balance seems better, though to really see we'd need side-by-side comparison either all with your measurements or another sources.

 

Keep in mind the MD measurements purrin did were with my MD 3.0. Based on Dan's comparison measurements from 3.0-3.2, I think that midrange "hill" on purrin's measurements was mostly smoothed out with the 3.2 revision. The 3.2 revision certainly sounded smoother overall.

 

Quote:
Originally Posted by TMRaven View Post

 

I still wouldn't compare the two though, Purrin's compensation is based off a pair of neutral measuring speakers, so what's flatter on his graphs is flat like a speaker measurement.  Something truly comparable would be a measurement by Dan of the MD and then the AD using the same measuring method and Y window.  (The purpose of this graph wasn't to compare the two headphones, but to show that 90db window can make things look very flat)

 

Yes, they both use different measurement systems and techniques, so they can't be directly compared (though you can make SOME basic cross comparisons). Not to mention purrin recently changed his methods, and it looks like he's still tweaking those a bit.

post #2967 of 8380
Quote:
Originally Posted by mrspeakers View Post
 

And for grins, our super-expensive headphone stand (at least today).

 

 

What's the red sticker on the headphone, Dan?
post #2968 of 8380

Part of our testing and tuning process.  

post #2969 of 8380
Quote:
Originally Posted by vincent215 View Post
 

 

Those red apples look ripe... yummy!

post #2970 of 8380
Quote:
Originally Posted by kstuart View Post
 

I am just curious how you picked that frequency, considering that - for example - bass (kick) drum and bass guitar are both entirely above 40 hz...

One would think that bass is entirely above 40 Hz, but in some genres, bands down-tune, which can extend bass guitar well below 40 Hz.

 

Still, nit-picky silliness aside (on my part) you are entirely right, as I was making the most conservative guess possible.  I thought writing 'no bass below 60 Hz'  would be irresponsible, since I had no means of measuring.  So- I chose 40 Hz as a way to express the issue without running into the danger of hyperbole.  I'm not good at avoiding hyperbole, so I need the practice

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