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3D printed in matte translucent plastic that showcases fine and intricate details.
This is a pair of universal in-ear monitor shell(left & right) for Knowles RAB BA drivers without engravingon the back covers and this model contains seperated 4 parts from the get-go.(You don't need to seperate each part after receciving, but it's a little bit more expensive than one part models for Black Hi-Def Acrylate.)
* Only for shells, other items(BA driver, connector , circuit, wire. etc.) are not included.
These shells are the result of a year-long effort.
These are designed specifically for Knowles RAB balanced armature drivers(speakers), normal 2pin iem connentor(Plastic one's connector) and Knowles acoustic dampers(filters, 2.08⌀ BF series).
it's recommended for someone who has basic Knowledge about custom IEM DIY.
These shells have designed with 3D scanning of 95% pecentile standard ear mold and engineered to have ergonomic low profile shape for easy & comfortable fitting, which means the shape of the shells are easy to handle with two fingers.
And these shells doesn't require felxible tubes to connect to BA drivers. It's a direct connection between the shell and a BA driver by epoxy adhesive on top of thin bouble sided tape.
You need to polish the surfaces and drill the nozzles with 2.1⌀ drill bit after receiving them(look at the explanatory image). Also you need to sand the edge of the back covers(plates) in order to fit in the shells. The nozzles are fitted to comply 200 ear tips or Sony XBA series ear tips. Because these shells have been originally desigened and tested for Black Hi-Def Acrylate , I highly recomend you to choose Black Hi-Def Acrylate for printing material. *** Update: since Black Hi-Def Acrylate, possible printing materials are limited to Smooth Fine Detail Palstic and Smoothes Fine Detail Palstic.
Things you may need except the shells
- Knowles RAB series BA driver X2
- 2-pin female iem connector X2
- Knowles Acoustic damper X2
- 2.1⌀ drill bit X1
- Interdental toothbrush X1 - Pile & Polshing tools - J-B weld epoxy adhesive - Thin double sided tape (for temporay adhesion between shells and BA driver before filling the shells with epoxy) - Thin litz wires - Circuit & electic parts(capacitors or resistors , to tune the iems electrically)