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MrSpeakers Alpha Dog Revealed! - The World's First Production 3D-Printed Headphones
Mar 4, 2014 at 3:33 PM Post #6,046 of 9,071
aamefford said:
Regarding the "Doggie Treats" -

Dan caught me at the SF Bay Area meet, and installed the kit on my Alpha dogs, or at least the dots, and gave me the felt disks to try.  I really liked the effect of the dots - they seem to remove the one issue I have, which is an occasionally sharp or hot spot in the sibilance range (I am very sensitive to this).  I have listened further, and have decided the "dots" will stay in my headphones.

I was a bit more skeptical about the felt oval disks.  I was pretty sure they would have too pronounced an effect.  About the forth time they fell out of my headphone bag, I decided to try them.  So far, I really like the effect.  It is much more subtle than I expected.  What I notice is a very slight reduction in the upper range, and a very slight reduction in efficiency.  I like slightly rolled off treble, so this is a positive to me.  The lowered efficiency (a small effect, but noticeable on my rig) is also a positive, as it makes it a bit easier to run on high gain on my Burson Soloist SL, if I choose to do so.  I plan on keeping the disks in for a week or two, then pulling them out, just to compare again.  I suspect not everyone will prefer the addition of the disks - they do roll the treble a bit.  Great for me, great for many, some will prefer them out.  It is nice to have the choice.
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I definitely agree with you there.

Just to be clear, sensitivity would be a more appropriate word here (the sound pressure level output at a given power level; e.g. 90 dB SPL @ 1 W). Since you're adding things in series with the headphone's drivers, you're basically dampening the sound and especially if you're using the felt discs, so you have to turn the volume knob a bit to get it to the same volume level as without the discs.
 
Mar 4, 2014 at 3:39 PM Post #6,047 of 9,071
aamefford said:
  Regarding the "Doggie Treats" -
 
Dan caught me at the SF Bay Area meet, and installed the kit on my Alpha dogs, or at least the dots, and gave me the felt disks to try.  I really liked the effect of the dots - they seem to remove the one issue I have, which is an occasionally sharp or hot spot in the sibilance range (I am very sensitive to this).  I have listened further, and have decided the "dots" will stay in my headphones.
 
I was a bit more skeptical about the felt oval disks.  I was pretty sure they would have too pronounced an effect.  About the forth time they fell out of my headphone bag, I decided to try them.  So far, I really like the effect.  It is much more subtle than I expected.  What I notice is a very slight reduction in the upper range, and a very slight reduction in efficiency.  I like slightly rolled off treble, so this is a positive to me.  The lowered efficiency (a small effect, but noticeable on my rig) is also a positive, as it makes it a bit easier to run on high gain on my Burson Soloist SL, if I choose to do so.  I plan on keeping the disks in for a week or two, then pulling them out, just to compare again.  I suspect not everyone will prefer the addition of the disks - they do roll the treble a bit.  Great for me, great for many, some will prefer them out.  It is nice to have the choice.
Click to expand...

 
Are the mids and bass effected or just the treble?
 
Mar 4, 2014 at 5:14 PM Post #6,049 of 9,071
Doggie Treats are on order.  So far, I only have problems with the treble on certain recordings, which I figure are a problem with the recording- not the headphone.  But I am interested to experience the effect of the kit.  Cheap mods usually get my attention...
 
Mar 4, 2014 at 6:08 PM Post #6,051 of 9,071
This mod seems to be right up my alley. I'm treble sensitive, so this might put the AD right back where I want them. Maybe Dan could bring a pair with and a pair without to the NC meet. 
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Mar 4, 2014 at 6:30 PM Post #6,052 of 9,071
I personally think I will be sticking to the stock Alpha Dogs. I am kind of curious how the doggie treats would sound. However the tube I used already reduces the treble sibilance a touch, and I think reducing treble further would be unfavorable to me. On top of that I use the ADs directly out of my DX100 at school, and reducing the efficiency could have some adverse affects. Either way I agree with above, when the ADs are properly powered there is a lot less sibilance. In the case of my amp vs DX100. The DX100 internal amp powers it well, but not anywhere near as well as the Project Ember.
 
Mar 5, 2014 at 12:17 AM Post #6,054 of 9,071
olegausany said:
Any news about 2nd tour demo pair? Heard over over a week ago that I'm next and last who interested to try them, especially since, as I understand, have dots from the kit applied.
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I've been trying to figure out who to send them to next...expect a PM in a second.
 
Mar 5, 2014 at 1:04 AM Post #6,055 of 9,071
I have just ordered a cable system for the alpha dog from Moon audio
Hope i have picked the right now,
the Black dragon V2
 
any one know anything about this cable with the Alpha dog????
 
Mar 5, 2014 at 1:14 AM Post #6,057 of 9,071
Efficiency is generally measured at 1KHz.  The BMD and the felt pretty much only operate above 4K, and so in a practical "tech" sense there is not a decrease in efficiency.  That probably shouldn't hold anyone back.  The real issue is simply your level of satisfaction with the overall sound now.  If you really like it leave it alone until you go to a meet and hear one.  I go to a lot of meets anyhow, and I can keep these on me to do for free in person any time.
 
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Mar 5, 2014 at 3:05 AM Post #6,059 of 9,071
I like the sound of my Alpha Dog as it is, I'll wait for impressions before I start Dog Treats. I did not want to reduce the treble, but if the dots better the sound in other ways, I am curious to know.
 
Mar 5, 2014 at 3:26 AM Post #6,060 of 9,071
i'm mostly fine with the treble of the ADs, but dan stated that the dog treats also did other things like increase the soundstage, tighten the bass, and some other things a few pages back. forget the treble, are all those things accomplished with this simple mod? who wouldn't want that...or am i mistaken that this mod does all those things?
 
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