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Just listened to some Fostex T50RPs today... WOW! - Page 669

post #10021 of 10561
Quote:
Originally Posted by Nevod View Post

You can slap them on top of cups or attach them via a DIY lip. :)


Indeed.

 

I have a lot of caulk. I just used a bit of it to hold the pads together and voila..they stay put.

post #10022 of 10561
Quote:
Originally Posted by LFF View Post


Indeed.

 

I have a lot of caulk. I just used a bit of it to hold the pads together and voila..they stay put.

Caulk-shmaulk.  I just got my nvx angled pads as well.  I bet with some careful stretching, it could be done? I didn't feel like separating my simi-permanent stacked pads from my T50rp, so I tried them out on my new fa-011.  The experience was pretty negative.  I experienced a similar situation during a HeadFi meet while testing out someone's LCD2s.  Both pads create too good of a seal.  Each reposition created pressure, pressure enough to move the driver and alter the sound.  I doubt anything that drastic would happen with the T50rp's driver.  Personally that much pressure is uncomfortable for me.  I doubt I will use these pads without modification. 

 

I will note, they are slightly smaller than I expected/hoped. 

 

*Edit:  On a whim, I tried the pads out on a pair of Brainwavz HM3s.  These are my designated "snowblowing" headphones.  I think I just found their new permanent home.  Fixes two problems, reduces overwhelming bass, tones down the piercing highs and increases the mids by miles.  On a plus, they are now circumaural, so my ears no longer get frosty while out in the snowy-cold! beerchug.gif


Edited by mrscotchguy - 3/16/13 at 8:12am
post #10023 of 10561

Thanks for the input, I am using a fiio E-7 and I am also modding an M-Audio mixer as well as a fiio E-3 with an on off switch and volume control.  The longer I use the 50's the happier I am.  They are burning in nicely, I will be ordering the Shure pads next week from Amazon.  I am contemplating turning a set of hardwood bowls for my Grado 125's, but that is another thread.  Thanks to everyone for the advice and welcome.

post #10024 of 10561

I need a pair of those T50rp so badly. Was aiming for one but somebody else did take it. Already back to work though, next week I hope to be a proud owner!  

post #10025 of 10561

I got them and mod them right away. I'm still tweeking few things before making a good judgment on these.

 

i only found cotton ball in shop. i took like 5 and try to put all them together in the cup

but i'm sure they aren't doing the job like they should. i've looked around for the fluffy cotton pads everywhere and couldn't find these. Same for the felt adesive i need to put over the driver.

 

any link to an ebay sale?

post #10026 of 10561

unroll the cotton balls and fluff them up really fluffy.  I used cotton balls like that and can't tell the difference between mine and BMF's DBV#3's

post #10027 of 10561

Hmm...

 

 

whoa

 

p.s. I'm not in the wrong thread

post #10028 of 10561

oh no really  they are done that fast?

 

I'm going to just volunteer to link the build post up.

http://www.head-fi.org/t/656644/ortho-transplant-fostex-t50rp-drivers-into-a-beyerdynamic-custom-one-pro

 

...was thinking, you know if you blacked out the "ONE" and "PRO" it would be barely noticeable and very suitable.


Edited by nick n - 3/22/13 at 12:50am
post #10029 of 10561

Thanks for the transplant surgery guide! Very nice, as usual. How's it sound?

Quote:
Originally Posted by Armaegis View Post

Hmm...

 

 

whoa

 

p.s. I'm not in the wrong thread

post #10030 of 10561

Excellent transplant Armaegis! I hope the damping process treats you well :)

post #10031 of 10561

I recently added some blue cotton stuffing inside the cups.  I didn't really fluff it up much before putting it in the cups but tried to make sure it was a consistent density.  This did a good job reducing the midbass energy and evened out the sound more.  It's still not a perfect balance but its still really good sounding.  The body and presence on these headphones is fantastic and they pair very well with my SEX amp! 

post #10032 of 10561
Quote:
Originally Posted by bluemonkeyflyer View Post

Thanks for the transplant surgery guide! Very nice, as usual. How's it sound?

 

 

The initial transplant with no damping was way too bright with a bunch of treble peaks too painful to even try quantifying.

 

my notes so far (Click to show)

 

needs that foam disk in front to prevent driver rattle

 

just bare transplant

- argh treble spikes

 

added acoustic foam and angel hair

- phew

 

double the angel hair

- treble down a bit more, but starting to feel a bit stuffy

- will have to come back to this, maybe do 3/4 the amount

 

drilled hole

- slightly more bass

 

put some velour into the hole

- oops treble spike came back up and lost a bit of sub-bass

- removed the velour

 

stock pads - smoothest response

J$ Beyers - better bass, slightly wobblier treble

$ Denons - even more bass, more mids, spike at 2.5k

 

felt in front of driver

- reduced the 2.5k spike

 


Edited by Armaegis - 3/22/13 at 9:34am
post #10033 of 10561

Armaegis nice work would be nice to know how the compare to thunderpants.With all these mods and transplants , it would be really nice if you can build simple measurement rig like what BMF had & plot some measurements.

post #10034 of 10561

The measurement rig is something that I've kinda deliberately stayed away from, for the same reason I haven't bought any of the equipment to start etching my own circuit boards, or power tools to cut/turn wood, etc... the phrase "this way lies madness" comes to mind. The scientist/engineer in me would wind up going all out and building as accurate a rig as possible and compiling tons of data for mods, which is something I neither have the time nor money to do at the moment. 

post #10035 of 10561

I see you have nothing directly on the back of the driver . Maybe try some Arctic Bamboo to deal with the sound right away on the driver rear then anything floating around in the cups might not be as apparent if it reflects back?  Just a thought.  Maybe this will give some immediacy to the tuning , if that makes sense?  The Cotton version of that material diffuses the sound nicely but has a habit of bringing up some highs slightly, the bamboo version is a little more forgiving, just enough.

 

You do have a stock of that stuff don't you?  These seem fairly easy to break down to get into .  Sleep on it maybe a dream will bring the answer.

 

So many possibilites. I bet the way they are now is still rather impressive.

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