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The "non-Grado" Driver Grado Thread - Page 6

post #76 of 582
I wonder what the actual drivers' dimensions are...are they 40mm?
post #77 of 582
Quote:
Originally Posted by fleasbaby View Post

I wonder what the actual drivers' dimensions are...are they 40mm?

 


They were 58$ a few hours ago :-( ...

The size appears to be 40mm.
I'm asking because the hd518 according to this community (can't claim anything) shares the same hd558 and hd598 drivers. Maybe the driver's enclosure might not be appropiate for the cups.
http://www.head-fi.org/t/609634/hd-518-teardown-with-a-shocking-twist
Edited by squallkiercosa - 12/21/13 at 12:02pm
post #78 of 582
Thread Starter 
Quote:
Originally Posted by fleasbaby View Post

I wonder what the actual drivers' dimensions are...are they 40mm?

 

It is close to 40mm.  When I installed mine in the Padauk cups (the original set) that you sent me, the fit in nicely.  I recessed them about 1/4" and applied a few drops of hot glue to hold them into the cups.

Quote:
Originally Posted by squallkiercosa View Post
 
Quote:
Originally Posted by fleasbaby View Post

I wonder what the actual drivers' dimensions are...are they 40mm?

 


They were 58$ a few hours ago :-( ...

The size appears to be 40mm.
I'm asking because the hd518 according to this community (can't claim anything) shares to same hd558 and hd598 drivers. Maybe the driver's enclosure might not be appropiate for the cups.
http://www.head-fi.org/t/609634/hd-518-teardown-with-a-shocking-twist

 

They're just $39.## at BH Photo with free shipping, when I checked a short time ago.  How ironic!  I was also thinking of my HD-555 yesterday.  From the screen images that I've seen, the driver diameter seems pretty close.  I will open up the 555s a bit later today for a check.  I  have a spare pair of drivers at the moment, too.  But, from my initial impressions of the drivers vs the HD-555, the HD-555 is a bit more polite in the lower mid to bass regions.  The PX100 II might really make the 555s come alive, but hopefully not try to overachieve with respect to sound reproduction.  Time will tell.

post #79 of 582

Last night I liberated the Sens drivers, put a new cable on and gave them a listen in the Lapacho cups I made for them. It was like night and day compared to the last time I tested them UN liberated drivers. I was going to listen to a couple of tracks on Allison Krauss’s Paper Airplane and ended up listening to the whole Cd.

 I’m going to a comparison to my Magnum V4’s maybe tonight but I have to say to anyone who’s interested …..Give these a listen.


Edited by 7keys - 12/23/13 at 1:28pm
post #80 of 582
Okay, 2 out of 2 positive reactions...I need to find out for myself now...
post #81 of 582
What wood are those cups made of? What cable did you use? 'm happy that px100ii drivers are getting positive reviews because i bought used headphones and i thinking of wood cups for them.
post #82 of 582

The wood is Lapacho, one of the..or could be the hardest wood in the world. The cable is from an old SR60i.

 

You can read about Lapacho here

http://www.mangore.com/tropical-woods-properties.html#l

post #83 of 582
Thanks. I would need a cable for px100ii drivers but i'm mot sure what to use. Ive read about Condufil Solene and Canare Starquad. Maybe it's not that important, compared to plenty of different woods.
Edited by Rauliki - 12/25/13 at 8:26am
post #84 of 582
Thread Starter 
Quote:
Originally Posted by 7keys View Post
 

Last night I liberated the Sens drivers, put a new cable on and gave them a listen in the Lapacho cups I made for them. It was like night and day compared to the last time I tested them UN liberated drivers. I was going to listen to a couple of tracks on Allison Krauss’s Paper Airplane and ended up listening to the whole Cd.

 I’m going to a comparison to my Magnum V4’s maybe tonight but I have to say to anyone who’s interested …..Give these a listen.

 

Philip, thanks for your impressions.  The comparison between the v.4 Magnum and the Senn drivers is what I'll find interesting to hear the comparison results on.

 

Quote:
Originally Posted by Rauliki View Post

Thanks. I would need a cable for px100ii drivers but i'm mot sure what to use. Ive read about Condufil Solene and Canare Starquad. Maybe it's not that important, compared to plenty of different woods.

 

Hi, Not sure of your location?  If you are U.S. based, I have a used Grado 4-conductor cable terminated with the standard Grado 3.5mm plug.  I don't want to make a claim to it's quality as it was removed from a pair of previous Grados that I had for the purpose of moving to another cable with more functionality that was needed.  But, if you're U.S. based, I could get it out to you in a padded bubble mailer for about $3.00 in postage.   PM me if interested.

 

I'm quite sure many of you have been questioning my where-abouts since I last posted here about 6 and a half days ago.  No, I didn't get a massive case of ADD and apply my focus into another project.  While it's true I've taking on another half-dozen projects, I still have devoted a great amount of time to the Sennheiser uber driver and my wooden cups.   I've been working on getting the finish perfected on the pair of Padauk cups that I'll use for the touring pair of SENNsational Gradified Headphones.  Meanwhile, about 70% of my listening has been done with these headphones using the reverse quarter modded HD414 ear pads (black, of course).  What do I find stunning?  Quite a few areas.  The sound stage - right to left, and front to back is just delcious.  I wish I had a pair of the Grado non "i" GS1000 to compare it to.  The Senn drivers do hit lower and have a better authority in the lower bass regions than anything from Grado or Magnum - I can fully indicate so.  Also, again, the quailty of bass and how you can hear it vary and show its unique abilities in that area is quite pleasing.  It's far, far from on one-note beat box type of bass.

 

I did apply the small pea-sized Dynamat to the rear of the driver just as Grado has done with the RS1i and many custom Grado modders have done, too.  I can't specify the exact benefits on the Senn driver as I'd need to be able to catch both and use side-by-side to allow me to share any observations.

 

I did have my moment earlier this week with a new pair of Beyerdynamiic T90 headphones (think: $679 MSRP / Retail price).  To my ears, the Senns could perform in the upper registers for percussion, cymbal details, etc. just as well as the T90.  The T90 is a few steps up in the quality of detail over my pair of DT-880 250 Ohm Beyers.  I'm pushing the Senns with my lil' Schitt Vali, the oDAC, and controlling my source material with Foobar.  I've applied a bit of EQ reduction in the upper registers to get a comfortable flavor that I was aiming for.  The bass quality and push down into the lower registers was a bit more apparent than the T90s too.  To me, this is more than an effective driver to make a leap for.  I've given up my search for additional 40mm drivers as I'd find it highly doubtful that I'd be able to trump the quality of sound especially at the bargain price of $39.99.

 

In closing, these headphones are really light as a feather.  I can barely tell that I have them on, but the instrument positioning and presentation while wearing them can get a bit eery as the instruments are nearly covering 300 degrees around you.  It is moments like that when I nearly have to pinch myself to see if I'm dreaming.  But, realize I'm awake and just in a beautiful musical experience.

 

As a disclaimer.  I don't want any of my own hype to apply any member here to feel forced to build such a setup, because I'm just sharing my personal experiences with this excellent combination.  And, to date, I haven't received any Cease and Desist orders from Sennheiser or Grado ... so let the good times roll !!

post #85 of 582
Quote:
Originally Posted by wje View Post

 

 

Hi, Not sure of your location?  If you are U.S. based, I have a used Grado 4-conductor cable terminated with the standard Grado 3.5mm plug.  I don't want to make a claim to it's quality as it was removed from a pair of previous Grados that I had for the purpose of moving to another cable with more functionality that was needed.  But, if you're U.S. based, I could get it out to you in a padded bubble mailer for about $3.00 in postage.   PM me if interested.

Thank you wje. I'm from Poland. I think sending that cable would cost more than it's worth.

I've got those used PX100ii that I wrote earlier, but I will definitely woody and recable them. They were repaired with a very cheap chinese cable.

I've bought them for 20$ so I think they will stay.

 

Quote:
 I've given up my search for additional 40mm drivers as I'd find it highly doubtful that I'd be able to trump the quality of sound especially at the bargain price of $39.99.

 

In closing, these headphones are really light as a feather.  I can barely tell that I have them on, but the instrument positioning and presentation while wearing them can get a bit eery as the instruments are nearly covering 300 degrees around you.  It is moments like that when I nearly have to pinch myself to see if I'm dreaming.  But, realize I'm awake and just in a beautiful musical experience.

 

As a disclaimer.  I don't want any of my own hype to apply any member here to feel forced to build such a setup, because I'm just sharing my personal experiences with this excellent combination.  And, to date, I haven't received any Cease and Desist orders from Sennheiser or Grado ... so let the good times roll !!

You know, I would probably never buy RS1i (at least not new) they are too expensive. I like the idea of modding px100ii driver to be as close as possible to 700$ headphones for 100$. It's fun and I will learn something new. I registered to this forum, then i've read about Grados, and bought SR60. Now I'm trying to get something better. There is a risk I wouldn't like what I will achieve, but 'no risk, no fun'.


Edited by Rauliki - 12/27/13 at 3:21pm
post #86 of 582

 

 

 

Alright I've joined the club. PX-100s in 7keys black walnut with G cushes. Had to use a single layer of electrical tape to set the drivers in the cups, but otherwise a rather painless experience. Needless to say I've had a smile on my face for the last half hour. 

 

EDIT: Just switched to the L Cushes. Like em better as the treble has tamed a bit. Probably the biggest improvement over my 225s is the bass. Its PS500 esque! More texture and more thump. Making the faux-Grados much more hip hop friendly.

 

EDIT2: If I do the dryer sheet mod, will that tame the treble a bit?


Edited by JoeDoe - 12/30/13 at 9:54pm
post #87 of 582
Thread Starter 

Joe,

 

A couple of options worth considering.  You could try the dryer sheet, but might have more success with a piece of felt over the driver.  Also, since you had to wrap tape around the driver, test out the process of dropping the driver a bit deeper into the cup and see if a change is applied.

 

I've noticed in my situation, I love the Vali but it has a real extended frequency response.  With most headphones I love it.  But with the Senn drivers, it can be a bit too much etched.  I find my Asgard (v.1) or even the Matrix to pair a bit better with it.  Or, if you're using your computer as a source and a player such as Foobar, you can adjust the frequency points down a bit for the upper frequencies until you get to a level comfortable to your hearing.

 

Edit: I did have some thick (rigid) felt that had been purchased from a craft store.  I cut out two discs for installation over the driver facing.  I did notice a bit of a drop back in treble energy.  Again, just a simple observation based upon a quick experiment.  I'd like to see if the measurements would change at all from the tweak.  


Edited by wje - 12/31/13 at 1:25am
post #88 of 582

A few months ago I came up with a setup of these drivers in custom Grado-like wood shells. Sent these to purrin to have them measured.

The cups were closed but vented and I used leather pads.

post #89 of 582
Thread Starter 
Quote:
Originally Posted by stratocaster View Post
 

A few months ago I came up with a setup of these drivers in custom Grado-like wood shells. Sent these to purrin to have them measured.

The cups were closed but vented and I used leather pads.

 

Thanks.  I didn't realize you had utilized the Senn driver in cups as a mod.  Had I known, I wouldn't have plagarized your work.  ;)

 

Then again, the readings and observations from Purrin are interesting to see.

 

Also, I like the following quote:

 

Quote:
 Cool results.  I am happy with these, because there is lots of potential. Like purrin I did not really notice the 12k peak and found them very relaxed in the upper mids and highs.
The 12k peak can surely be dealt with.

I did not do a lot of tweaking on these, since I had been focussing on the StratoGrados and I decided to send them in together to let me find out which setup had more potential. 

FYI, these use the Sennheiser PX 100ii drivers. Cups and drivers are damped as in the StratoGrados. And I guess using felt instead of damping paper behind the driver might bring down the 12k peak while at the same time still keep the lower frequencies tame.

 

A bit of felt behind the driver could work to correct any upper frequency sizzle?  Just trying to figure out options for those so they can tune theirs accordingly.

post #90 of 582

If you keep them open-back and are using foam pads, you might really have a completely different FR than mine. Mine were closed-back, damped internally and using leather pads. That of course results in a  FR which is dramatically different from an open-back design. The highs in my setup were really quite tame, the 12k peak/ringing was not really audible. I guess if you have too much high-frequency energy, some sort of acoustic foam in front of the driver might be useful to bring the highs down a bit. 

I was using coffee filter paper behind the driver to get the bass under control. The leather pads did boost the bass enormously and that had to be dealt with.

The Senn drivers do not originally have that 12k peak, as Tyll's measurements show. 


Edited by stratocaster - 12/31/13 at 1:39am
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