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How bright is an ultrasone pro 900? - Page 6

post #76 of 206
Quote:
Originally Posted by Kees View Post
I find the PRO900 allready a LOT more organic sounding than the PRO750/2500. Especially the highs are much better.
I also like thew PRO900 better than the ED9. The ED9 are veiled in my experience... Besides, the PRO900 are a lot more comfortable than the ED9.
My PRO900 have only had about 50 hours of use yet, so they may change some in the near future (I hope the bass tightens up a bit).
Another remark: these phones are incredibly good for PIANO. (the pro750 where allready very good for that, but the 900 are even better).
Kees,

How do the new PRO900's compare to your Kenwoods (before & after mods on both cans)?
post #77 of 206
Quote:
Originally Posted by jpelg View Post
Kees,

How do the new PRO900's compare to your Kenwoods (before & after mods on both cans)?
The Kenwoods are a bit airier.
The PRO900 have slightly more and deeper bass.
The PRO900 have a bit more impact and are slightly more forward.
The PRO900 sound is slightly heavier than the Kenwoods, almost like HD650 without the midrange hump (but with more weight and more bass than the HD600).
The PRO900 give a more intimate feeling, the Kenwoods are a bit more spatious. With large orchestra's the Kenwood win.

Before the mod on the PRO900 I prefered the Kenwood, after the mod I rate them equal.

I never had them unmodded side by side, so it's a bit hard for me to give you a comparison for that.
post #78 of 206
Can you describe the materials used a little more? Is the cotton wool some blend of cotton and wool? Did you buy that from the fabric area of a department store? I think maybe I could find felts used for the bottom of chairs...

How big is the cotton wool piece? How much of the area does it cover?

I'm full of questions I know...I'm just trying to understand before I attempt anything.
post #79 of 206
Quote:
Originally Posted by Gowry View Post
Can you describe the materials used a little more? Is the cotton wool some blend of cotton and wool? Did you buy that from the fabric area of a department store? I think maybe I could find felts used for the bottom of chairs...

How big is the cotton wool piece? How much of the area does it cover?

I'm full of questions I know...I'm just trying to understand before I attempt anything.
The cottonwool pads are just ordinary make-up pads. They're about two inches in diameter Split one pad in half (they are layered). Don't overdo with the cottonwool, the more you use the less bass will be left. You can experiment a bit and make it exactly to your liking.
The felt is the stuff you stick under the legs of your chair to prevent them from scratching the floor. The ones I use are about one inch diameter. I can buy them from any local department store here and they cost next to nothing ($2 for 20 pieces or so).
post #80 of 206
Quote:
Originally Posted by Kees View Post
I did a similar mod in the past with the 2500 that had remarkable results. Sticking self adhesive felt on the metal (even without covering any holes) brought out the midrange a bit and took the edge of the highs.
looking good, thanks!
I should be getting my Proline750 early next week
Quote:
Originally Posted by Kees View Post
The cottonwool pads are just ordinary make-up pads.
did you try the cottonwool mod on the 2500/750?

and what about these, did you try them?
http://www.head-fi.org/forums/f4/ult...0-mods-253489/
post #81 of 206
Anymore get static discharges or what it´s after applying this mod?

Doesn´t happen that often but once in a while my left ear is getting an electrical chock.
post #82 of 206
Nope, never had that, its a bad sign tbh, maybe you connected some part of the driver to the metal protective plate or something?
post #83 of 206
maybe the wires to the driver touching the metal plate due to the cotton wool? Though I used the bare minimum... Shaking it around doesn´t cause any more of that. It behave pretty much exactly like static electricity in that way... You get two stings when putting them on then it usually is fine most of the time just that I get it every single time now...

Guess I will have to try removing the cotton wool see if it´s that.
post #84 of 206
I would be sure to check it out, its definetly not normal.
post #85 of 206
Quote:
Originally Posted by leeperry View Post
looking good, thanks!
I should be getting my Proline750 early next week

did you try the cottonwool mod on the 2500/750?

and what about these, did you try them?
http://www.head-fi.org/forums/f4/ult...0-mods-253489/
No, I never did the cotton wool in the 2500 or the 750.
The 2500 is open so it would react differently, but I imagine it could work with the 750 quite well. I don't have either any more though.
I didn't do the 650 mod because I can't get Dynamat here. I tried to get hold of it for a while, but I gave up.
post #86 of 206
Quote:
Originally Posted by oqvist View Post
maybe the wires to the driver touching the metal plate due to the cotton wool? Though I used the bare minimum... Shaking it around doesn´t cause any more of that. It behave pretty much exactly like static electricity in that way... You get two stings when putting them on then it usually is fine most of the time just that I get it every single time now...

Guess I will have to try removing the cotton wool see if it´s that.
You might short your amp also.

.
post #87 of 206
Quote:
Originally Posted by les_garten View Post
You might short your amp also.

.
That is nonsense. The wires are insulated, touching the metal doesn't do anything at all. If you would have damaged the insulation and shortened one to the metal you wouldn't get any sound.
Something must cause an electrostatic charge to build up.
I never had the problem...
post #88 of 206
Could (in theory) the cotton wool become a conductor if moisted? Or could his ground wire not be doing its job 100%?
post #89 of 206
Quote:
Originally Posted by vvanrij View Post
Could (in theory) the cotton wool become a conductor if moisted? Or could his ground wire not be doing its job 100%?
Cotton is actually very good insulation.
If the ground wire doesn't function you get no sound. There is no way that I know of that a wire could be "a bit not doing it's job". It either connects or it doesn't.
post #90 of 206
True, that leaves me clueless how he gets the shocks though, maybe he is rubbing his feet to much on the carpet while listening
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