Home-Made IEMs
Oct 26, 2014 at 10:33 AM Post #2,282 of 16,098
  Wow a really nice looking hybrid! Wouldn't adding another 29689 solve the issue though? Did you limit the dynamic driver to bass frequencies only through the crossover? I'd think the RAB drivers sound nice or Unique Melody wouldn't be using them.
 
Can get my hands on some GR31587 to try out as some mid range drivers. Hope they sound nice :p
 
Did you guys see the Sony custom? Interesting how it uses a Sonion 2356 instead of its own BA drivers

 
I will only gain 3dB with two 29689.
Sony... 2600$
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Sonion 2356 = 20$
Sony dynamic driver = 2000$
 
Oct 26, 2014 at 10:40 AM Post #2,283 of 16,098
I wouldn't say you are wrong with the design at all. Without test equipment it will be more difficult to see what is going on and how to remedy it but don't give up on it. Make small and listen closely. It's crazy how much a lil tweak here or there can turn a big dip in the highs into a peak on hybrid designs.

 
Thanks,
At first i would try to adjust levels !
 



 
Oct 27, 2014 at 4:32 PM Post #2,295 of 16,098
Now the 13mm dynamic driver and ED 29689 CIEMS are ready for OX adjustments... thanks to MMCX connectors
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Pretty clever, thats a pretty dern good way to A/B test in your ear
 

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