Thingiverse
In Ear Monitor Shell: Knowles ED-29689
by williamyeny
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##Not tested
This is a shell mimicing the legendary Etymotic ER4. Quick rundown of how it's supposed to be assembled:
1. Grab 2 **ED-29689**'s from Digikey/Mouser as well as an old earphone cable cannibalized from broken (or working) earphones. The hole in the back cap is designed for cords 1-1.5mm thick, anything over that won't fit.
2. Test the fit by sliding the armatures into the housing -- *if the armature body does not fit in the housing or the nozzle of the armature does not fit
This is a shell mimicing the legendary Etymotic ER4. Quick rundown of how it's supposed to be assembled:
1. Grab 2 **ED-29689**'s from Digikey/Mouser as well as an old earphone cable cannibalized from broken (or working) earphones. The hole in the back cap is designed for cords 1-1.5mm thick, anything over that won't fit.
2. Test the fit by sliding the armatures into the housing -- *if the armature body does not fit in the housing or the nozzle of the armature does not fit
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