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Home-Made IEMs
May 10, 2019 at 3:45 PM Post #8,971 of 16,094
As I can’t find an universal shell that fits my ears properly I guess DIY is not for me. Too bad, because I really like all the great designs you guys are working on.

I wish you all the best with designing and building great IEMs.

Ps: if someone (within EU) is interested in buying some of the materials I gathered please let me know by pm
 
May 10, 2019 at 3:46 PM Post #8,972 of 16,094
PinoNL said:
As I can’t find an universal shell that fits my ears properly I guess DIY is not for me. Too bad, because I really like all the great designs you guys are working on.

I wish you all the best with designing and building great IEMs.

Ps: if someone (within EU) is interested in buying some of the materials I gathered please let me know by pm
Click to expand...
I will send some shell link tommorow which you can work with and are under budget and will fit most of the ears.
Just tell me which iem you have tried in day to day life, which fits you like a glove

@PinoNL
 
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May 11, 2019 at 6:25 AM Post #8,973 of 16,094
dhruvmeena96 said:
Can you post a comparative frequency analysis. That is important for me to tune up the MASM
Click to expand...

Here you go:
Clarity Shootout 2_C50.png
Clarity Shootout 2_C80.png
Clarity Shootout 2_SPL.png
 
May 11, 2019 at 7:15 AM Post #8,976 of 16,094
Firedrops said:
A little OOTL... what does MASM mean/stand for?
Click to expand...
Most Amazing Set (for my) Mom
I made this for my mom by copying @Furco sensei at pg206, modifying it for my mother's ear to never get sibilant but also push details like crazy without loosing balance.

GQ(double stage damping) + RAB(zero damping) + zobel
 
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May 11, 2019 at 7:25 AM Post #8,977 of 16,094
Since I have done single driver and triple driver, I was thinking of doing dual driver now.

Inspired by Noble Savant, but I think its way better extended and tuned than savant

DDD(Dual driver design)

FED30048
2 ohm resistor
No dampers
7.5mm length tube
(the tube used in savant)


ED30761
2200Ω damper
1.5mm/damper/5.5mm tubing length
(the tube used in savant)




Note : resistor has to be the lowest tolerance wirewound

https://www.mouser.com/ProductDetail/Vishay-Dale/RS1\22R000BB12?qs=/BTaoQrn/PnbZ0Qx%2Bsu7mA==


I have noticed something, if driver doesnt have damper in front of it, it pushes a lot more details, even if it can get sibilant. Damper may tube sibilance down, but it also lowers the speed of which the air is moving through. Like veil. So I remove the damper from the one driver in multi driver setup and then tune around it

Here FED is damper less and main driver
ED30761 is here for bass boost and tone
 
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May 11, 2019 at 8:44 AM Post #8,978 of 16,094
dhruvmeena96 said:
I will send some shell link tommorow which you can work with and are under budget and will fit most of the ears.
Just tell me which iem you have tried in day to day life, which fits you like a glove

@PinoNL
Click to expand...

I normally use Final Heaven V Aging iems but looking for an over-ear cable design. Haven’t tried commercial iems yet.

The shells I tried:
https://m.aliexpress.com/item/32989...d=3624amp-pySg--D1BfycSn-QABkcDQ1557578360794

And
https://m.aliexpress.com/item/32982...d=3624amp-pySg--D1BfycSn-QABkcDQ1557578360794

The first shell is a little to big for my ear.
The second shell fits my ear but the nozzle is not long enough to get a proper seal.
 
May 11, 2019 at 9:17 AM Post #8,979 of 16,094
PinoNL said:
I normally use Final Heaven V Aging iems but looking for an over-ear cable design. Haven’t tried commercial iems yet.

The shells I tried:
https://m.aliexpress.com/item/32989...d=3624amp-pySg--D1BfycSn-QABkcDQ1557578360794

And
https://m.aliexpress.com/item/32982...d=3624amp-pySg--D1BfycSn-QABkcDQ1557578360794

The first shell is a little to big for my ear.
The second shell fits my ear but the nozzle is not long enough to get a proper seal.
Click to expand...
Well, that's hard for you to get multi driver setup then..
Some are full universal
Some are semi custom semi universal

Shell 1
https://s.click.aliexpress.com/e/cHvbV0oY

Shell 2
https://s.click.aliexpress.com/e/bqIeQVWu

Shell 3
https://s.click.aliexpress.com/e/bqWGlz1W

Shell 4
https://s.click.aliexpress.com/e/bt5jeyPO

Shell 5
https://s.click.aliexpress.com/e/cns5xRcc
 
May 11, 2019 at 9:29 AM Post #8,980 of 16,094
dhruvmeena96 said:
Well, that's hard for you to get multi driver setup then..
Some are full universal
Some are semi custom semi universal

Shell 1
https://s.click.aliexpress.com/e/cHvbV0oY

Shell 2
https://s.click.aliexpress.com/e/bqIeQVWu

Shell 3
https://s.click.aliexpress.com/e/bqWGlz1W

Shell 4
https://s.click.aliexpress.com/e/bt5jeyPO

Shell 5
https://s.click.aliexpress.com/e/cns5xRcc
Click to expand...

Thank you for your help so far but I don’t think one of these shells is going to give me the fittment I’m looking for. Maybe I’ll have to try some commercial designs just to get an idea of what shells fit my ears.
 
May 11, 2019 at 10:08 AM Post #8,982 of 16,094
May 11, 2019 at 12:27 PM Post #8,984 of 16,094
eunice said:
Well, build custom shells then?
Click to expand...

I don’t have the time and space to make custom shells. That’s why I was looking for universal shells.

I had some impressions made though but the earcanal was to narrow for multiple tubes.
 
May 11, 2019 at 12:34 PM Post #8,985 of 16,094
PinoNL said:
I don’t have the time and space to make custom shells. That’s why I was looking for universal shells.

I had some impressions made though but the earcanal was to narrow for multiple tubes.
Click to expand...

I have the same problem with narrow ear canals, tried to do the scary build a couple of times and couldn't get the two 2mm ID tubes to fit my shells, the only way to make it work was to pour the acrylic with the tubes already in place.

IMG-20190329-WA0011.jpeg IMG-20190329-WA0009.jpeg IMG-20190329-WA0013.jpeg
 
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