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Home-Made IEMs - Page 95

post #1411 of 1534
7/10/12 at 2:56pm

I've also used hearing aid tube on mine. Works very well. Forgot which one I used but it was the thick type.

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post #1412 of 1534
8/8/12 at 5:08am

Finally got my impressions done.

 

700

 

 

Will start mold making this weekend   smily_headphones1.gif

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post #1413 of 1534
8/8/12 at 12:08pm

Did you do those yourself? They look basically OK, but they don't look like they went very deep into the ear canal (i.e. not as far as the '2nd bend')

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post #1414 of 1534
8/8/12 at 2:11pm
No, an audiologist did them. He said they were reasonably deep, perhaps 'reasonably' isn't as far as the second bend, perhaps the photo doesn't show them right.

Hope they'll be ok, really can't afford to go again
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post #1415 of 1534
8/8/12 at 2:21pm

they look deep enough to me (already past 2nd bend), if you post them for shell making the lab will just cut the tip off if they are too long. About 1cm beyond the 2nd bend is enough to provide some kind of 'holding' for the iem, any longer won't improve the isolation while becoming uncomfortable at the same time.

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post #1416 of 1534
8/8/12 at 2:34pm
Thanks for reassuring me a little. I'll be diying the shells (i hope!)
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post #1417 of 1534
8/9/12 at 1:11am

700

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post #1418 of 1534
8/10/12 at 5:38pm

Great thread ... Subbed dt880smile.png

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post #1419 of 1534
9/4/12 at 1:21pm

A lot of very interesting DIY on this thread. I look forward to more photos!

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post #1420 of 1534
9/5/12 at 12:35pm
Quote:
Originally Posted by ulogin View Post

 

Sorry for the noob question: I always thought that the advantages of custom is that they are "tuned" for individual ear (via driver placement, driver angle, etc.), which I thought was important because each ear is different anatomically. And I read that JH Audio "tune" each ear piece individually. Indeed, their Youtube shows how they use some computer software to do the fine-tuning. 

 

So if the angle of the drivers does not matter, what is the advantage of going custom? I have been thinking of going custom (not home-made, though) but am not sure if there's real benefit besides comfort and fit. 

you get perfect seal / fit / comfort / sound. fine-tuning the drivers include the duct size, length & shapes / filters / crossovers / attenuation levels.

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post #1421 of 1534
9/6/12 at 10:01pm

(ask)

 

I have a pair of UE TF10, and in project of making Universal custom iem with resin (like fit ear to go series)

 

i need option for additional driver for the mid.

 

1. if I buy the armature driver what is the best for the mid?

2. if I must use existing iem (ex Etymotic ER P, Shure, etc), which iem that is good to use?

3. it is possible to use additional dynamic driver as a mid driver?

4. the last question, can people in here help me with the crossover wiring for the mid with existing UE TF10 crossover?

 

thanks....


Edited by audiofreakie - 9/6/12 at 10:02pm
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post #1422 of 1534
9/8/12 at 8:14am

Think I might finally have to take the dive and start a pair of these. Going to start with a basic one driver pair using a CI-22955 in each bud. 

 

Looking at using this polycast silicon for the moulds http://www.ebay.co.uk/itm/Polycraft-GP-3481-F-RTV-Silicone-Mould-Making-Rubber-275g-Kit-Shore-A27-/220865241811?pt=UK_Crafts_Other_Crafts_EH&hash=item336c9822d3#ht_1303wt_725

 

Still can't decide on what to make the enclosures out of. Thinking of using the dental acrylic resin edba2000 used. Seems to work and should be safe enough to shove in my ears if its made to go in peoples mouths. Anyone else got any better suggestions? 

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post #1423 of 1534
9/8/12 at 9:35am
Nixon - that is the silicone i just used for my mould, worked a treat and the 275g pack seems to be about right.

For shell material I've gone with some water-clear polyester resin i had laying about, that too has worked great, I've just got to smooth off the surface (my silicone mould had bubbles) then start drilling out.

Sent from my GT-I9000 using Tapatalk 2
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post #1424 of 1534
9/16/12 at 4:06am

I was in the Sony Store in London yesterday and noticed this display of Sony's flagship XBA4's. They claim that each driver is for a different frequency (Highs, mids, bass, super bass). Funny thing is that all four drivers look identical, there's no crossover circuitry and only one acoustic filter. Tried to get  a better shot of the drivers to try and ID them but the staff started giving me odd looks.

 


Edited by Nixon - 9/16/12 at 4:22am
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post #1425 of 1534
9/16/12 at 8:10am
Quote:
Originally Posted by Nixon View Post

I was in the Sony Store in London yesterday and noticed this display of Sony's flagship XBA4's. They claim that each driver is for a different frequency (Highs, mids, bass, super bass). Funny thing is that all four drivers look identical, there's no crossover circuitry and only one acoustic filter. Tried to get  a better shot of the drivers to try and ID them but the staff started giving me odd looks.

 

I read somewhere(probably head-fi) that the drivers are a custom sony model.

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