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HeadRoom V2 Measurement System: Bug List - Page 3

post #31 of 47
3/1/09 at 3:48am
Hi,

It seems the whole measurements of ER-4S at Headroom:

http://graphs.headphone.com/graphCom...phID[]=743

are actually of ER-4B:



This error must be fixed.
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post #32 of 47
3/1/09 at 8:03am
edit never mind...
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post #33 of 47
3/1/09 at 11:46am
Thread Starter 
Quote:
Originally Posted by udauda View Post
Hi,
Hi!

Quote:
Originally Posted by udauda
It seems the whole measurements of ER-4S at Headroom
are actually of ER-4B.
This error must be fixed.
Did you measure the cans in an ear?

Quote:
Originally Posted by TheSloth View Post
edit never mind...
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post #34 of 47
3/1/09 at 4:43pm
Quote:
Originally Posted by Tyll Hertsens View Post
Aww Tyll, I feel like someone out there understands me...
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post #35 of 47
3/2/09 at 7:00am
Quote:
Originally Posted by Tyll Hertsens View Post
Hi!



Did you measure the cans in an ear?

Oh, not me. this one guy in Japan did the job:
http://fuchinove.chillout.jp/canalsokuteikekka.html


I also compared the good ol' (V1) Headroom ER-4S impedance graph to my own ER-4S impedance graph (measured w/ CLIOwin 6.5):


Your previous impedance graph was actually correct, unlike your current one. I think you guys somehow mistakenly mixed the 4S data with 4B's. (at least the impedance data, if not all of them) Please double check if any other ER-4B data are listed as ER-4S'.
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post #36 of 47
3/2/09 at 7:15am
Hate to say it but he's right. The impedance curve for the 4s has changed over the past few weeks, even since it was reposted in the V2 system.
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post #37 of 47
3/2/09 at 7:19am
Quote:
Originally Posted by TheSloth View Post
Hate to say it but he's right. The impedance curve for the 4s has changed over the past few weeks, even since it was reposted in the V2 system.
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post #38 of 47
3/2/09 at 1:48pm
I'll take a look into the 4S and 4B measurements tomorrow. Stay tuned and I'll let you know what I find...
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post #39 of 47
3/4/09 at 2:03am

Etymotic ER 4S Impedance Measurement

Yeah, the posted ER 4S impedance plot appears to be incorrect. I'll run it through Tyll and we'll probably get that figure corrected soon. I also noticed the Harmonic Distortion plot looks incorrect for ER 4S, however, the other measurements look valid.
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post #40 of 47
3/18/09 at 12:53am
from another thread (Tyll asked me to post here):

measurement for Bose or SkullCandy hp's?
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post #41 of 47
3/18/09 at 10:35am
Thread Starter 
Quote:
Originally Posted by obobskivich View Post
from another thread (Tyll asked me to post here):

measurement for Bose or SkullCandy hp's?
And, I believe, the desire to see some commonly available crap cans so as to see the magnitude of difference between junk and good cans.
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post #42 of 47
3/22/09 at 11:41am
Thread Starter 
Need to get HD202 cans up.
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post #43 of 47
3/22/09 at 11:43am
Quote:
Originally Posted by Tyll Hertsens View Post
And, I believe, the desire to see some commonly available crap cans so as to see the magnitude of difference between junk and good cans.
by crap cans, you mean like normal ~$10-$20 cheapo headphones from [whatever] brand?

gonna lol when you accidentally find the next 4 FoTMs by measuring random cheap crap found on amazon/ebay
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post #44 of 47
3/22/09 at 12:09pm
is it possible to measure the ie8s again after, say, 500 hours of burn in?
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post #45 of 47
9/19/09 at 7:01pm
I'd love to see some new measurements like
SRH 840/440
DT 990
Alessandro MS 1

Please

edit: and maybe a new sony?
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