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Just listened to some Fostex T50RPs today... WOW! - Page 694

post #10396 of 10678

So I began experimenting and using this material to dampen the housing of my T50RP.

It hasn't got a brand though the shop who sold me this says it's automat, essentially used in cars to dampen vibrations and outside noise but this particular one is often used on the underside of the hood to reduce engine noise and lower engine temperature. I used it to dampen the housing of the T50RP. It's basically 9mm thick foam with an adhesive backing.

 

After many experiments and long term testing, this is the final (for now) configuration.

 

Automat cut in half and applied onto the entire ear side baffle with deleted stock felt exposing the driver.

 

The usual flushed plasticine in the baffle, a tiny square of medical tape covering the inner bass port, 3 layers of cotton pads stack onto each other, thick fiber wool covering the sides of the housing and automat dampening the whole housing. The vent is also covered with automat but I opened two vents which I found to have just the right quantity of bass without suffering from bloat.

 

And I also used Hifiman Pleather pads which fits surprisingly well but is a bit too stiff and hard. Since I'm wearing glasses, I don't get a full seal and the bass response drops noticeably. If I take off my glasses, the bass is weighty, impactful and a good amount of quantity. Mids aren't sacrificed and still maintains very good tonality and highs are sharp but it's all right for my ears though I wish it could be as smooth as the HE-500.

In total, the materials cost me around $15 (Pads not included since they're spares from my HE-500).

 

There are some improvements that I can make, for example the cotton pads can be changed with much thicker ones and the pads.

 

Speaking about pads, I'm thinking of ordering the Alpha Pads and I would like to know how are they like? Are they plushy enough so that I can wear my glasses while listening without losing bass response? Do they improve soundstage? What kind of impact in SQ and FR should I expect?


Edited by VortexBlast - 9/12/13 at 2:45pm
post #10397 of 10678
Speaking only for the Alpha pads, I can safely say that if I chose so, I can sleep with a Maddog with alpha pads on. It's that comfy. Impact on SQ and signature? Can't help there. Theoretically, the angle should help in making the soundstage a bit more believable, and since it's kind of deep too, that should also bring the soundstage closer to out of head experience. Mind you though, that I don't really have much luck with out of head soundstage experience, disregarding the SR009 experience.
Edited by jgray91 - 9/12/13 at 8:37pm
post #10398 of 10678

Hmmm...

 

After listening carefully to my mods in the right conditions with varied genre of music I found out that I have accidentally tuned my T50RPs to have roughly the same frequency response as the Fostex TH600/TH900 but with more sibilance, treble and speed.

 

I kind of like it, it sounds absolutely good with electronic music and some other genres but sometimes it does get a bit too overpowering for instance in Massive Attack's Splitting the Atom, the low frequencies are so present that they take my focus away from the mids and highs. I don't mind though, these are tuned for portable use so I guess it's perfectly OK. It does sound extremely fun though. Also very tight and punchy.

 

The weird thing is that no matter what mods I try, the vocals are extremely airy. Good for female vocals but not so much for male vocals. I think something must be done to the upper midrange.

 

I will probably change the pads to the Alpha Dogs pads. It should be interesting.


Edited by VortexBlast - 9/14/13 at 2:04pm
post #10399 of 10678

Mine is similar to the TH600/900 but with fuller midrange. Could use a bit more 2k~4k range though...

but I like them the way they are too. Not as ideal for rock tracks but nonetheless enjoyable.

post #10400 of 10678

My Hand sewn pads for the wood t50Rp

 

post #10401 of 10678
Quote:
Originally Posted by arbiche View Post
 

My Hand sewn pads for the wood t50Rp

 

 

Looks great - and I like the name!  I also like the idea of using perforated leather but I have to wonder if it has an effect on the sound at all?

post #10402 of 10678
Quote:
Originally Posted by arbiche View Post

My Hand sewn pads for the wood t50Rp



Those pads look great! The only way they'd look better is on my TP1 Double Dragons.
post #10403 of 10678
Quote:
Originally Posted by arbiche View Post
 

My Hand sewn pads for the wood t50Rp

 

 

Nice craftsmanship all around, arbiche.

post #10404 of 10678
Quote:
Originally Posted by arbiche View Post
 

 

 

Originally Posted by arbiche View Post

 

My Hand sewn pads for the wood t50Rp

 

 

 

My Khalesi pads looks good on the Daenerys T50RP. 

I think it is more comfortable than the 840 pads. Soundstage feels wider. Better Bass reproduction.

post #10405 of 10678

I've been using some Sony V6's for a couple months now, and am wondering if these Fostex t50rp's will equal or better the V6's in terms of separation and detail? And will they sound like they are lacking treble after being accustomed to the V6's? Has anyone compared both? 

post #10406 of 10678
Quote:
Originally Posted by stillshot2 View Post
 

I've been using some Sony V6's for a couple months now, and am wondering if these Fostex t50rp's will equal or better the V6's in terms of separation and detail? And will they sound like they are lacking treble after being accustomed to the V6's? Has anyone compared both? 

 

stock t50rp's are all about the mids. They come out so smooth and delicious, but other freq's are lacking hence the modding done. If modded can have as much treble you want ^_^

post #10407 of 10678

Since the mids are already great, would these headphones respond well to, say, a high end home audio receiver's eq-ing to get more bass/ treble? 

post #10408 of 10678
Quote:
Originally Posted by stillshot2 View Post
 

Since the mids are already great, would these headphones respond well to, say, a high end home audio receiver's eq-ing to get more bass/ treble? 

 

it should but you'd need to crank it up a bit. Might lose some quality there, so i'd recommend modding is extremely easy all you need is a screwdriver, cotton, Plasticine.

post #10409 of 10678
Quote:
Originally Posted by stillshot2 View Post
 

Since the mids are already great, would these headphones respond well to, say, a high end home audio receiver's eq-ing to get more bass/ treble? 

 

There's some resonance that you won't be able to eliminate with EQ. For that, you'll need something in the cups. 

post #10410 of 10678

Incremental mods of the  Daenerys T50RP

 

 

Dampen with wool and cotton

 

 

New Mods

 

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