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= Hifiman HE500 & HE400 Jergpad Mod v2.5 = - Page 84

post #1246 of 1702
Quote:
Originally Posted by ThurstonX View Post

 

Harmonic Convergence of the Spheres 

 

We're just trying to let Vaatu out of our HE-500's, no biggie.

post #1247 of 1702
Quote:
Originally Posted by hans030390 View Post
 

 

We're just trying to let Vaatu out of our HE-500's, no biggie.

 

LOL.  I had no idea what I was typing, and thus what genie was escaping from what bottle.  Every day I learn some seriously geeky stuff on these forums.

 

For me, I'm just trying to harness the energy of the Pipes of Pan.  I heard Creatology felt is really good for that.

 

 

"...and so say all of us...Tap into America!"

post #1248 of 1702
Thread Starter 

I observed a slight caveat with the felt backwave damping modification ONLY if one uses the stiffened felt, that is somehow because it is so rigid, it acts as a waveguide too well especially for the treble region, and so the end sound might sound a bit more stringent around 10kHz.

 

The simple solution to this, I found, has been to taper off the right angles of the felt strips that line the grid of the drivers. Easiest way to do it is to use your fingernails and pass through between each two strips of felt a dozen times. So basically the aim is to round off the outer corners of the stiffened felt strips to reduce the "waveguide" effect (imagine reshaping the cross-section of the felt strips so that it is now a half-circle instead of a rectangle).

 

Of course some of you might not note these differences, but I tend to be extremely picky about sound signatures, especially minor changes in sound signatures, as they bug me a lot as soon as I notice them. So just take the above with a grain of salt and only try it if the situation fits yours and you yourself experienced a similar phenomenon.


Edited by jerg - 11/20/13 at 1:29pm
post #1249 of 1702

Funny thing guys.  There seems to be a mix up with people (like me) using the wrong user name in trying to contact Modulor for Jerg pads.  I've been using the user name Modular instead.  

 

I thought Modulor was ignoring me.  Sorry about that Modulor..

post #1250 of 1702
Quote:
Originally Posted by preproman View Post
 

Funny thing guys.  There seems to be a mix up with people (like me) using the wrong user name in trying to contact Modulor for Jerg pads.  I've been using the user name Modular instead.  

 

I thought Modulor was ignoring me.  Sorry about that Modulor..


Yeah its really hard to find a good calculater too...=(

post #1251 of 1702

Both user names are valid, regardless of spelling..

post #1252 of 1702
Thread Starter 
Quote:
Originally Posted by preproman View Post
 

Both user names are valid, regardless of spelling..

You should post a few of your (presumably angry/frustrated) PMs here, for the lols.

post #1253 of 1702

Sorry - I don't have any.  I just sent one.


Edited by preproman - 11/20/13 at 4:13pm
post #1254 of 1702
Quote:
Originally Posted by preproman View Post
 

Funny thing guys.  There seems to be a mix up with people (like me) using the wrong user name in trying to contact Modulor for Jerg pads.  I've been using the user name Modular instead.

 

I thought Modulor was ignoring me.  Sorry about that Modulor..

I feel your pain, I had it wrong too, at first but it only took a re-read before the first PM to notice it in my case.  I had forgotten about the drop down on the user names at the time. :beerchug:

post #1255 of 1702
Quote:
Originally Posted by preproman View Post

Funny thing guys.  There seems to be a mix up with people (like me) using the wrong user name in trying to contact Modulor for Jerg pads.  I've been using the user name Modular instead.  

I thought Modulor was ignoring me.  Sorry about that Modulor..


Yup! Sorry guys. I frequent the site from time to time but mostly sporadically. So you can imagine my confusion when I logged in the other day to a batch to PM'S about these pads!
post #1256 of 1702
Thread Starter 
Quote:
Originally Posted by Modular View Post


Yup! Sorry guys. I frequent the site from time to time but mostly sporadically. So you can imagine my confusion when I logged in the other day to a batch to PM'S about these pads!

I'll admit, I almost PM'd you instead of Modulor too, the first time I tried to PM him. Only stopped myself when I noticed your avatar was different.

post #1257 of 1702

*Checks PM to make sure I ordered from right guy and didn't randomly send away money*

post #1258 of 1702

Wow, you guys are going extreme with "backwave" modification now. Cool stuff.  Keep it up!

post #1259 of 1702
Quote:
Originally Posted by koiloco View Post
 

Wow, you guys are going extreme with "backwave" modification now. Cool stuff.  Keep it up!

 

I'm thinking of disassembling mine and rounding out the openings on both sides of the magnets...  NAH!  But it's an interesting thought experiment  :darthsmile:

post #1260 of 1702

I was a bit neater on the back side of the driver (since it will actually be seen):

 

 

  

 

The visco-elastic material is hard to work with in thin strips, so I stuck to felt for the driver, but since I had some extra dynamat laying around, I put it on the inside ring of the housing.  Hopefully this experiment pays off.  

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