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Pink noise for breaking in V6s? - Page 2

post #16 of 30
Thread Starter 
Part of me perceiving you as being mean or whatever could probably be credited to the fact that I was sick as hell yesterday (best described as being skinned, dipped in a pool of snot, and just hanging there allowing it to drip off my body). So, you didn't do nothing wrong, so don't change yourself.

I just orderd my V6s from djmart. I've just been curious: Is there a difference between the gold and silver colored plugs provided with the V6s and 7506s?
post #17 of 30

The only difference

The only difference between the consumer MDR-V6 and the "pro" MDR-7506 (other than the sticker on the earcups with the model number) is the inclusion of a gold plated plug, and gold plated 1/8" to 1/4" adapter on the MDR-7506. Do these make an audible, or measurable difference. Nope! Gold plating does help prevent possible corrosion over time, which could degrade the signal. But so does plugging and unplugging your headphones from the jack on your amplifier!
post #18 of 30
Bass tones will give the voice coils and diapghram the biggest workout, not pink noise.
Very true, Tim. If you are going to subscribe to the "burn-in" theory, you should play real music, not pink noise.
post #19 of 30


Pssst guys...Pink noise HAS deep bass, as well as a mixture of ALL frequencies within it's passband, and at a constantly high level (which music DOESN'T...otherwise it would be noise, too). Am I saying that pink noise is better for "burning in" than music? Nah. But I think it should be at least as good, and since it has CONSTANT content at ALL frequencies (within the passband), it wouldn't be too hard to argue that it is (theoretically) better.
post #20 of 30
Mike, I would think that actual music would be *much* better. Since pink noise has "audio" at every frequency (in theory), you wouldn't be getting a lot of transients, nor would you be getting a lot of dynamic range. In addition, it doesn't really emulate the way your headphones will actually be used. Actual music would seem to me to be a much better way to a) break in your phones using movements similar to how they will be used; and b) actually get the drivers *moving* -- i.e. make them go through the (relatively) large movements that come from hits of a bass drum or from a low note on an upright (just a couple examples).
post #21 of 30
Huh, I thought having every frequency would guarantee the largest dynamic range... do I have my definitions screwed up?
post #22 of 30
I just know what I see from my speaker woofers...and that is bass tones make em MOVE. Course the tweeters don't do anything...but oh wait headphones don't have tweeters (besides that Panasonic DVD-A phone).

"theoretically" pink noise WOULD be better...but in all practicalility I don't think the diapghrams are "fast" enough to even resolve the transients within a pink noise signal. So a sine wave makes my woofers move farther in and out, but I think pink noise would just make it vibrate only slightly. Anyhow being dynamic drivers I think more of it as a swing set...there is a greatest range of motion if you push and pull at given intervals.

Also its the easiest way to detect for issues such as voice coil rubbing...and yes this can happen in headphones just as it can in speakers.

...now square waves...thats probably the most strenuous...
post #23 of 30


DHWilkin "Dynamic range" has to do with the range between the softest and loudest sounds which can be recorded on a particular format, or which are present on a particular recording. It has NOTHING to do with frequency range.

And NO signal can exercise cones more than broadband noise, as (unlike music) it has sound present at ALL frequencies simultaneously. Since your diaphram IS reproducing the highest frequencies within the passband (defined in digital recording by the sample rate), then it IS reproducing "transients" to the limits of the digital format. By the way...high frequency response and "transient" response are different ways of expressing exactly the same thing...the ability to respond quickly to high frequency waveforms. By their nature, all true "transients" are high frequencies, since low frequencies are by nature "slower" (the lower the frequency, the "slower" the diaphram movement. This is NOT the same thing as saying that the speed of sound is different at different frequencies! Only an expression that, for example, a diaphram reproducing a 40000hz sine wave is moving 100 times faster than one reproducing a 40hz sine wave). A device which can reproduce extremely high frequencies cleanly by nature has "fast transient response". One which can't, doesn't!

As for "dynamic range" being important in "breaking in" as opposed to music, consider this. SOFT SOUNDS by their nature require very little of a diaphram! They're NOT "exercising" it to anywhere near it's limits. So if "breaking in" is real, and exercising the diaphram is the goal, then soft sounds would seem to contribute precious little, right? "PUMP UP THE VOLUME!" If you accept the above, then dynamic range of source material would actually seem to be detrimental to "breaking in" diaphrams, right? I mean, during much of the "duty cycle" the diaphram is doing nothing, or almost nothing during "quiet passages". Wasted time, it would seem to me! As for my second point, since when reproducing noise the diaphram is moving back and forth from near it's limits of forward motion, to near it's limits of backward motion, THROUGH the "zero" position (or center resting point) each cycle, then isn't it doing everything required for "dynamic range" while reproducing the steady state noise? Each cycle the diaphram passes from one extreme to the other, passing through the zero or "rest" position twice per cycle.

See, I told you that an argument could be made that noise is a BETTER source for "breaking in" (if breaking in is even necessary) than music. And I just made it (the argument)!
post #24 of 30
YAY! Mike made the agument!!!

post #25 of 30
Hehe, next time I'm doing a search before opening my big mouth.
post #26 of 30
Happy Birthday to Mike Walker!

Phew.....43......and you can still hear the difference between MDR-V600's and MDR-V6's?

Just kidding!

Happy Birthday Mike!
post #27 of 30

I'm speechless!

Thanks Jude! I'm speechless! I had no idea I would get a birthday greeting from you! Yes, surprisingly enough I CAN still hear the difference between the V600 and V6. However, my alltime favorite it the LUCIOUS Koss UR-20.

post #28 of 30

Re: I'm speechless!

Originally posted by Mike Walker
Thanks Jude! I'm speechless! I had no idea I would get a birthday greeting from you! Yes, surprisingly enough I CAN still hear the difference between the V600 and V6. However, my alltime favorite it the LUCIOUS Koss UR-20.


LOL! Hey man, you're front page news! Birthdays are announced on the front page of the Head-Fi forums. The forums wouldn't be the same without ya! Hope you have a great birthday, man.
post #29 of 30

Happy birthday Mike

post #30 of 30


Thanks everybody, VERY much!
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