Noble Audio - the Wizard returns!
Mar 7, 2014 at 8:55 PM Post #2,462 of 36,096
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Actually, I'll be drawing the tickets... but I since you live on the wrong side of the tracks, all off my friends were warning me about you, saying that you just wanted to use me for my access (and my body).  I didn't want to believe them, I thought you were different.  But they were right...
 
Mar 8, 2014 at 7:32 AM Post #2,463 of 36,096
 
frown.gif
Actually, I'll be drawing the tickets... but I since you live on the wrong side of the tracks, all off my friends were warning me about you, saying that you just wanted to use me for my access (and my body).  I didn't want to believe them, I thought you were different.  But they were right...

 
it was always a lottery if your relationship would last, best to jog-on mate.
wink_face.gif

 
Mar 8, 2014 at 7:49 AM Post #2,464 of 36,096
Back to CIEMs - I checked-out the silicone CIEMs - am I right in thinking that Noble are unique in offering both Acrylic and Silicone models?
 
Mar 8, 2014 at 9:50 AM Post #2,467 of 36,096
   
Ahh, last I checked Minerva (a couple of years ago) they were all about hearing aids and did the CIEMs as a silicone-only sideline.
 
Nice to see more options becoming available in the CIEM marketplace.
 
I think I recall that Starkey / M-Fidelity do acrylic shells and fill them with silicone, which, I supposed, may make them more robust and, perhaps, isolate 1 or 2 more dBs.   Then, of course, there are companies like Fitear, doing acrylic shells with full acrylic fill.
 
Some makers claim that silicone sound tubes (which is effectively what you tend to get when manufacturing a silicone shelled CIEM) yield a slightly more 'organic' sound than the plastic tubes used in acrylic-shelled CIEMs.
 
I wonder what JM's take is on this? John - what say you?

 
 
I think it's BS.
 
Oh, wait, wrong John....
 
Mar 8, 2014 at 10:56 AM Post #2,468 of 36,096
  Ahh, last I checked Minerva (a couple of years ago) they were all about hearing aids and did the CIEMs as a silicone-only sideline.
 
Nice to see more options becoming available in the CIEM marketplace.


Minerva's still all about hearing aids. CIEMs are still a sideshow bob. I have no idea why they decided to do acrlyic.
 
Mar 8, 2014 at 11:30 AM Post #2,470 of 36,096
Ahh, last I checked Minerva (a couple of years ago) they were all about hearing aids and did the CIEMs as a silicone-only sideline.

Nice to see more options becoming available in the CIEM marketplace.

I think I recall that Starkey / M-Fidelity do acrylic shells and fill them with silicone, which, I supposed, may make them more robust and, perhaps, isolate 1 or 2 more dBs.   Then, of course, there are companies like Fitear, doing acrylic shells with full acrylic fill.

Some makers claim that silicone sound tubes (which is effectively what you tend to get when manufacturing a silicone shelled CIEM) yield a slightly more 'organic' sound than the plastic tubes used in acrylic-shelled CIEMs.

I wonder what JM's take is on this? John - what say you?


I am not aware of the scientifics in IEMs / CIEMs but it makes sense to me if the sound that the drivers create can make tubes vibrate with a ressonance frequency. I guess that the silicone would be dampening it self and therefore may not affect the sound as much? Just a guess though.. :)
 
Mar 8, 2014 at 9:51 PM Post #2,471 of 36,096
   
Ahh, last I checked Minerva (a couple of years ago) they were all about hearing aids and did the CIEMs as a silicone-only sideline.
 
Nice to see more options becoming available in the CIEM marketplace.
 
I think I recall that Starkey / M-Fidelity do acrylic shells and fill them with silicone, which, I supposed, may make them more robust and, perhaps, isolate 1 or 2 more dBs.   Then, of course, there are companies like Fitear, doing acrylic shells with full acrylic fill.
 
Some makers claim that silicone sound tubes (which is effectively what you tend to get when manufacturing a silicone shelled CIEM) yield a slightly more 'organic' sound than the plastic tubes used in acrylic-shelled CIEMs.
 
I wonder what JM's take is on this? John - what say you?

 
 
 

 
 
Absorbtion and reflections qualities could be different between tube materials so I would not be surprised by  a different sound quality.
 
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Mar 8, 2014 at 11:50 PM Post #2,472 of 36,096
Different - certainly possible. Across the board *better* with silicone? I find that hard to believe. In fact my experience tells me the opposite, that acrylic models tend to sound a bit better. Probably not so much due to materials but the option to use vented drivers, as well as the more precise control over sound tube placement.
 
Mar 9, 2014 at 12:17 AM Post #2,473 of 36,096
Different - certainly possible. Across the board *better* with silicone? I find that hard to believe. In fact my experience tells me the opposite, that acrylic models tend to sound a bit better. Probably not so much due to materials but the option to use vented drivers, as well as the more precise control over sound tube placement.

 
 
   yes agreed, different doesn't necessarily mean better.
 
 
The  standard should be applied
 
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Mar 9, 2014 at 12:37 AM Post #2,475 of 36,096
Different - certainly possible. Across the board *better* with silicone? I find that hard to believe. In fact my experience tells me the opposite, that acrylic models tend to sound a bit better. Probably not so much due to materials but the option to use vented drivers, as well as the more precise control over sound tube placement.
It would be difficult to say unless we could compare the exact same ciem in the two different material...like the 4C and 4S. I personally have only have only one silicone ciem and it is my best.
 

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