Flower grill for Koss headphones (Kramer mod)
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Speaker grill with the well known "Kramer" mod for the Koss Porta Pro, KPH40 and KSC75.
- Rating
- 5 / 5
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Updated at source:
Model information
- Source
- Printables
- Category
- Audio
- License
- Creative Commons — Attribution
I didn't like drilling plastic (and not doing it well). So I decided to put my 3d printer to use and printed this speaker grill in a flower design. A Fusion 360 file is attached for customization :-)
In my personal experience, this mod does noticeably improve the sound. Gives the ksc75 some more bass too.
<previous version was too thin, I took it down and perfected the thickness. It is now 0.5-1.0mm thicker, but still works just fine. it is, when printed in PLA, even stronger than the original part>
Make
I printed on Prusa Mini with 0.25mm nozzle and 0.07mm layer height, 100% infill with Devil Design PLA.
Print with organic supports like this:

Parts and supplies needed
Some kind of thin spudger tool or a very thin knife (be careful!!!)
How to
print parts
clean up where the supports were on the part
remove old speaker grill

insert new grill
enjoy!!
