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HeadRoom V2 Measurement System: Bug List - Page 2

post #16 of 47
2/15/09 at 7:59pm
Hey all -
This is the Darrin that Tyll mentioned above... I'll be looking out for your comments on test results and will try to resolve any concerns. The W5000s will get looked at the next time I get to the test-bench.

I'm still working on re-tests and confirming accurate response plots for all the headphones(so, some of the posted graphs will be getting replaced). However, if you have a discrepancy with a plot please post your concern and I can take a closer look.

Cheers -
Darrin
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post #17 of 47
2/15/09 at 8:34pm
Thread Starter 
Hey Darrin! Good to see you on here.

Got the HD800s meaured over the weekend, they should be showing up soon.
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post #18 of 47
2/15/09 at 10:04pm
Under Select up to 4 Headphones on the measurement page, there should be an extra slot shown in glittering gold with a sparkling down arrow and an embedded audio file playing a clip of the 2001 space odyssey theme reserved for only the HD800. I'm surprised no one caught that yet.
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post #19 of 47
2/18/09 at 1:08am

W5000 retests

Quote:
Originally Posted by mulveling View Post
Hah, the W5000 frequency response looks terrible. I bet your dummy head had the same fit problems with these cans that I did! I had to firmly press the cups against my head, squishing the pads in the process, to hear a sound signature approaching my "normal" favored HD650/L3000 type warmth.
I retested the response for the ATH W5000... still has that low end roll off. They have a horrible fit. I tried pretty hard to get a good, natural placement. The only way I can somewhat assist the low end is to tighten a velcro band around the cans (which doesn't truly simulate their normal fit on your head).

As I was playing with them I also noticed a horrible resonance in the metal frame; since the frame is coupled to the cans it is very noticeable... no bueno! Personally, I think the mechanical design of the frame and fit for these headphones is sh!#$y
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post #20 of 47
2/18/09 at 1:24am
Quote:
Originally Posted by Kiyoshi View Post
I retested the response for the ATH W5000... still has that low end roll off. They have a horrible fit. I tried pretty hard to get a good, natural placement. The only way I can somewhat assist the low end is to tighten a velcro band around the cans (which doesn't truly simulate their normal fit on your head).

As I was playing with them I also noticed a horrible resonance in the metal frame; since the frame is coupled to the cans it is very noticeable... no bueno! Personally, I think the mechanical design of the frame and fit for these headphones is sh!#$y
Man, it's been a couple years since I had the W5000, and I'd forgotten that I did notice that horrible resonance you mention! In fact it was so bad that when I paused the CD player in the middle of playing music (moderately loud) I could hear a faint metallic ringing for around 0.5-1 seconds afterwards (from the headband, not ringing in my ears).

Your graph looks like exactly what I was hearing. I had to press the cups HARD against my face (and keep them there) - probably even much more than the force of the velcro band - to get what I felt was a decent frequency response.

I agree with your observations, these were not the headphones for me
Too bad, because they probably have very very nice drivers, and the ebony cups are very pretty.
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post #21 of 47
2/18/09 at 1:36am
Quote:
Originally Posted by Kiyoshi View Post
sh!#$y
huh? oooooohhh, I get it! You mean "shlopy", like "shlopy joes"!

That does sound like a shlopy design.
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post #22 of 47
2/18/09 at 4:21am
Quote:
Originally Posted by Kiyoshi View Post
Hey all -
This is the Darrin that Tyll mentioned above... I'll be looking out for your comments on test results and will try to resolve any concerns. .

I'm still working on re-tests and confirming accurate response plots for all the headphones(so, some of the posted graphs will be getting replaced). However, if you have a discrepancy with a plot please post your concern and I can take a closer look.

Cheers -
Darrin
Rock On, Darrin and Welcome Aboard!
HeadRoom was founded in 1992 & manufactures headphone amps, DACs, and accessories; and sells headphones & related personal audio gear. We offer exceptional products, customer service, & information.
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post #23 of 47
2/18/09 at 6:08am
How about testing the isolation in inears ???
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post #24 of 47
2/18/09 at 6:51am
Quote:
Originally Posted by Claus-DK View Post
How about testing the isolation in inears ???
Did you look? All the models they sell are there, incl. isolation...
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post #25 of 47
2/18/09 at 3:12pm
Quote:
Originally Posted by TheSloth View Post
Did you look? All the models they sell are there, incl. isolation...
Can not find the information for ETYs..
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post #26 of 47
2/19/09 at 4:24am
Quote:
Originally Posted by Claus-DK View Post
Can not find the information for ETYs..
The plots for the 6i, 4p and 4s are there... Is there something else you're looking for?
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post #27 of 47
2/19/09 at 7:05am
Yes the isolation in DB..
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post #28 of 47
2/19/09 at 7:49am
Quote:
Originally Posted by Claus-DK View Post
Yes the isolation in DB..
Well you are being quite ridiculous about this, considering it's sitting right there:

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post #29 of 47
2/19/09 at 4:50pm
I jist saw that the other inear had the isolation standing in the menu at the right....
Sorry my bad, and thanks

Now i also understand why some people say that Etys has a isolation of 45 instead of the normal 28-32 DB, it is a matter of frequence...
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post #30 of 47
2/25/09 at 9:38pm
Thread Starter 
I think we need to be able to auto scale the impedance scale so that you can see the features on the curve for low impedance headphones.
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