iPhone car cup holder with Audio Amplifier

by acilia, published

iPhone car cup holder with Audio Amplifier by acilia Mar 11, 2013

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This version of the iPhone holder adds an amplifier horn in front of the speaker output and a smaller one in front of the microphone.


All the components with the exception of the phone holder were designed to be printed without supports. I could not get away from the large horizontal span inside the horn so you should print that one separately.

The horn as an amplifier seems to direct the speaker output somewhat and increase the volume maybe a couple of dBm, Let me know what you think.

You can use Pan Plastite 0408LPP screws to fasten the lower angler to the cup or you can print them as one piece (CupBase&Angler.stl)

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Just uploaded a new version of the iPhone holder, I increased the size of the cable ports to avoid possible damage to the iPhone connector if the assembly gets out of alignment

I just posted some minor cleanups, rounded some edges and made the notches on the lower bracket positive instead of negative so they engage better. I also increased the size of the side holding springs and made a couple of modifications to make the back angler slide in the holder slot easier and lock in place.

Very cool! I was hoping to make notches in the angle adjustment pieces as well after printing my first test model and realizing there was too much of a gap between the parts. Nice job on the speaker scoop as well! I'll be posting my updated Solidworks files with a latch for the slide that is locked by a dock cable.