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JH Audio Customs: Why doesn't Jerry fill the inside with silicon?

post #1 of 20
Thread Starter 

This just seems like a really good question to me.  If he filled the inside of the shell with silicon the drivers inside would get some shock attenuation and the silicon would also dampen the outside sound waves further.  I'd really wish he did as those Starkey customs from the other thread suggest an extra 4 dB of sound isolation.

post #2 of 20

Good question

post #3 of 20

 

Quote:
Originally Posted by Navea View Post

Good question


I think the same too after reading your Starkey review :)
 

post #4 of 20

One of the possible reason: What do you do when the custom needs servicing? How do you get around all the silicon?

post #5 of 20
Quote:
Originally Posted by moonboy403 View Post

One of the possible reason: What do you do when the custom needs servicing? How do you get around all the silicon?

 


http://www.wanderingfree.com/wp-content/uploads/2009/06/Stanley-knife.jpg


Edited by Chez - 6/4/10 at 4:00am
post #6 of 20

If I may digress, silicon filling seems a good idea. Which maker does that?

post #7 of 20

Earsonics does so (but with acrylic) for acoustic reasons on their top of the line customs : EM2-pro and EM3-pro. The EM1-ifi and EM2-ifi aren't filled to make upgrades to the higher models possible.


Edited by MayaTlab - 6/4/10 at 2:49pm
post #8 of 20

Im my review you can see a picture of a monitor filled with silicon (Starkey SA-43)

post #9 of 20

I take an action item and ask the man at Can Jam tomorrow.  A really good question.

post #10 of 20

Not to threadcrap or anything, but silicon =/= silicone.  Silicon is an element; a shiny metal they use to make the integrated circuits for computer processors.  Silicone is what they use to waterproof things and seal windows.  Big difference.  If they filled with silicon the IEM would be very heavy and cost a fortune.  The sad thing is that even IEM makers get confused sometimes.  http://www.wisegeek.com/what-is-the-difference-between-silicon-and-silicone.htm

post #11 of 20

And silicone is what girls fill their boobs with. Now if Jerry wants to stay true to "aural sex"...

post #12 of 20
Apperantly the empty shell has the benefit of giving you tactile feedback, which enhances both your listening experience and your perception of the soundstage. I don't have a direct source for this, but I read it somewhere :P
post #13 of 20
Quote:
Originally Posted by sebhuber View Post

Apperantly the empty shell has the benefit of giving you tactile feedback, which enhances both your listening experience and your perception of the soundstage. I don't have a direct source for this, but I read it somewhere :P


Beat me to the punch.

post #14 of 20
Thread Starter 

Sorry I stole the silicon (sp) from Navea's post.  I would still be highly interested in having Warp ask Jerry as Warp is excellent at articulating musical equipment effects for various equipment. 

 

post #15 of 20
I did talk to Jerry about this. He said that he uses silicone only in his Aviation line to increase isolation, but avoids using it in the Pro music line because of the undesired side effects of additional dampening this creates on the BA drivers. Also, the drivers are not glued to the inside of the shell sidewalls but cast inside the surface during the molding process. So they are not going to come loose just by dropping the shells, which I believe was the OP initial concern.

This is my first Can Jam, but looking forward to the next one. I have learned more about this stuff in one day than the previous six months reading, listening and researching. It is worth every penny to come and here is two of mine to prove it..
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