Possibly the world's first 3D printed 6th order bandpass subwoofer. Check out the A20M from Geeetech as I make my way through this project.

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A20M Printer: https://amzn.to/32r0vrY
8% Discount Code: 8GETCHA20M
Black Filament: https://amzn.to/2m2JTGI
Copper Filament: https://amzn.to/2k5nE2j

Get the A20M and choose one of the free upgrades:

(2 Pack x 2) TMC2208 Drivers: https://amzn.to/31qT4zN
(4 Pack x 1) TMC2208 Drivers: https://amzn.to/32qtnk9
WiFi Module: https://amzn.to/2Bmt0Lr
Touch Sensor: https://amzn.to/2MTJnnZ
MK8 Extruder: https://amzn.to/2pv91HM

Forward your order number & address to Tony Tian for your free upgrade.
Facebook:   / joeblackttt  

↑↑↑↑↑↑↑↑↑↑ For my audience from Geeetech ↑↑↑↑↑↑↑↑↑↑

The STL files for the model featured in this video can be downloaded here:
https://www.thingiverse.com/thing:394...

Audio Dynamics MK600.1 Amplifier:
https://adcaraudio.com/store/product/...

Dayton Audio Classic 6.5" Subwoofer:
https://www.parts-express.com/dayton-...

Fairbanks Theorem on SoundCloud:
  / fairbanks-theorem  

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