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Am I the first owner ??? Qualia 010 !!! - Page 16

post #226 of 645
Quote:
Originally Posted by immtbiker
Back to open air designs...When listening through the R-10's, I can hear all outside sounds, at almost full levels, and people can hear music coming from the cans, clearly. I see this as a design intended to dis-allow the frequencies from entering back into the soundspace that is heard by the ears, which would cause distortion. Even with wood cups, isn't this considered an open air design?
I could have used my 1972 Koss Pro 4AA's to fly a Sikorsky in comparison.
I've never owned a pair of R-10s but from your description, it sounds like they may use the same or similar venting scheme as the CD-3000s. Nik, Hirsch? What do you guys say?
post #227 of 645
Quote:
Originally Posted by ayt999
I was talking about interconnects so my statement should be correct... I guess the question was regarding headphone cables so I was offtopic?? anyways, I know I what I am talking about.

the balanced output of the balanced headphone amps I have seen so far does have three signal outputs per channel, even though one isn't used to drive the drivers. I assume the ground pin is connected to the cable shield.
Your terminology is a bit confusing. There are only two signal carriers, the third conductor is ground and no signal of any kind flows through it.
post #228 of 645
Quote:
Originally Posted by kwkarth
Nik,
Does the 010 use the Sony Biocellulose diaphragms?
Thanks,
Kevin
I believe it uses nanocomposite diaphragms.
post #229 of 645
Quote:
Originally Posted by kwkarth
Your terminology is a bit confusing. There are only two signal carriers, the third conductor is ground and no signal of any kind flows through it.
heh, I need to work on that. it does make sense that since the ground wire isn't a signal carrier it shouldn't be labeled as such. I've been out of it lately.
post #230 of 645
Quote:
Originally Posted by ayt999
I believe it uses nanocomposite diaphragms.
nanocomposite... Hmmm, sounds like a marketing breakthrough to me.
I would like to see more data about that. Maybe carbon nanotube composite?
post #231 of 645
Quote:
Originally Posted by kwkarth
nanocomposite... Hmmm, sounds like a marketing breakthrough to me.
I would like to see more data about that. Maybe carbon nanotube composite?
all I see is "nanocomposite." I have the japanese product brochure for the QUALIA 010 that I got when I went to the store in May, looked at the japanese QUALIA site, and at descriptions of the 010 at the dynamism.com store and all of them describe it as "nanocomposite" and doesn't give any other descriptions. if you can find a source that explains it in more detail than the ones I found, I would be happy to know about it.
post #232 of 645
Quote:
Originally Posted by ayt999
all I see is "nanocomposite." I have the japanese product brochure for the QUALIA 010 that I got when I went to the store in May, looked at the japanese QUALIA site, and at descriptions of the 010 at the dynamism.com store and all of them describe it as "nanocomposite" and doesn't give any other descriptions. if you can find a source that explains it in more detail than the ones I found, I would be happy to know about it.
This would be my guess for a suitable diaphragm material:

Microstructure and mechanical properties of nanocomposite amorphous carbon film
post #233 of 645
maybe it's buckminsterfullerene, or self assembling 3d nanoconstructs.
post #234 of 645
Thread Starter 
Quote:
Originally Posted by kwkarth
I've never owned a pair of R-10s but from your description, it sounds like they may use the same or similar venting scheme as the CD-3000s. Nik, Hirsch? What do you guys say?

Did you never heard a Omega II? This is a open headphones... the R10 and CD3000 are closed! With the Omega (or the Qualia or K1000 or Grados...) you can hear a lot of sound going out, and you can hear the external sound much more than the two closed Sony cans...

Best!
Nicola
post #235 of 645
Quote:
Originally Posted by Nik
Did you never heard a Omega II? This is a open headphones... the R10 and CD3000 are closed!

hmmmm no Nik,
I believe kwkarth is right, CD3K is open



Quote:
Originally Posted by kwkarth
Well, the F1 is an obvious example, but the fact is that Sony's original top of the line surround can with DSP and laser gyro positioning (Sony VIP-1000) was completely open, and here's the bomb...The MDR-CD3000 is an open can. Some people are aware of this, some are not. There is a vent port all the way around the circumfrence of the phone. There is 0 back pressure/loading on the backside of the CD-3000 diapragm. When you put the CD3000s on, you'll notice they offer almost no attenuation of the room. That's because they're completely open cans even though they don't look like it.
post #236 of 645
Quote:
Originally Posted by Nik
I'm very sorry, but the RS-1 compared with the Qualia has the voice of a cat... (sorry!!!).

When I said bright I mean: "light" !!!

Best!
Nicola
Thanks Nik.

what a relief. at least i find the highs of the rs-1 way too bright.
Sounds like sony has a winner.
post #237 of 645
Quote:
Originally Posted by kwkarth
Your terminology is a bit confusing. There are only two signal carriers, the third conductor is ground and no signal of any kind flows through it.
the problem is that there are more versions of balancing/semi-balancing.
as far as i know, the only correct way of balancing is at the power source.
post #238 of 645
I believe the R-10's are open design, too. You can hear the same amount of outside noise as the Omega's.
post #239 of 645
Quote:
Originally Posted by jacopo
hmmmm no Nik,
I believe kwkarth is right, CD3K is open
I believe the drivers are a closed-back design, but they don't isolate very well so they're sometimes called semi-closed.
post #240 of 645
Quote:
Originally Posted by jacopo
hmmmm no Nik,
I believe kwkarth is right, CD3K is open
Quote:
Originally Posted by immtbiker
I believe the R-10's are open design, too. You can hear the same amount of outside noise as the Omega's.
http://www4.head-fi.org/forums/showp...&postcount=186

http://www4.head-fi.org/forums/showp...&postcount=191


In terms of isolation it may be a (semi-)open design, but in terms of its acoustic/sonic properties it's virtually a closed headphone. (That -- among other things -- is why I'm quite sure that the 010 will sound quite different.)

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