iPhone 6 trombone bell amplifier - Bach 42/50, customizable

Want to let others hear a song after rehearsal and can't because that tiny phone speaker just isn't loud enough? Put…
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updated October 15, 2021

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Want to let others hear a song after rehearsal and can't because that tiny phone speaker just isn't loud enough? Put this little part in your trombone case. Then surprise everyone by connecting your iPhone 6 to your trombone bell and it will be really loud!

Picture shows it attached to a Bach 42B and a PrintBone bell. It fits a regular brass Bach 42 or Bach 50 bell, or any trombone with the same connector (Yamaha 622, probably some Edwards models and more), including the PrintBone.

Have another kind of phone or trombone bell? Press the customizer button and easily adapt it to your own equipment.

Of course, a trombone bell is not made for a linear frequency response, so it will sound a bit like those early gramophone-players with a horn.

If you want it with a PrintBone bell: http://www.thingiverse.com/thing:1845509

I printed it on the fastest setting available to my printer, without support or brim. Use whatever infill you like, 10-20% should be fine. Perimeters might have an effect on airtightness which will have an effect on acoustics, but with 2 perimeters it worked well. Might even be better with slight leaks.

Print Settings

Printer:

Original Prusa i3 MK2

Rafts:

No

Supports:

No

Resolution:

0.35mm works

Infill:

Whatever you like, mine is 20%


Notes:

Printed at the slic3r fast preset from the original prusa i3 mk2 drivers package, which seems to prints at the E3D v6 extrusion limit - have to limit the part cooling fan to be able to print at that speed :)

Category: Music

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Model origin

The author marked this model as their own original creation. Imported from Thingiverse.

License