Project Logs

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• Project Goals

  gareth • 03/26/2018 at 20:26 • 0 comments

  Always state your goals!

  
  1. Wearable Bass unit for portable use with smartphone audio player
  

  2. Compact, Modular design

  3. "Tactile" bass frequencies (20-50Hz)
  

  3. Drop-in mounting to hiking water carrier backpack

  4. Rechargeable battery for a couple of hours use

  5. 3.5mm standard audio jack connection

  Possibility to add bluetooth connection later.
  

• Resonater material

  gareth • 03/26/2018 at 20:17 • 0 comments

  I'm still puzzling over the resonator material.

  The speaker/exciter needs to mount to something dense but very light that will propagate the low frequencies, but that I can easily shape to fit.

  I'm thinking something like a thick yoga mat maybe...
  

• Initial Planning

  gareth • 03/26/2018 at 19:21 • 0 comments

  Decided that the actual backpack part would be easy - a regular hikers water carrier will be the 'case' of choice:

  It already has a pocket which will be about the right size and will hold the unit close to the wearer's back.

  I also have a redundant PC speaker set with subwoofer which will form the basic electronics.
  

  Still need to arrange a suitable battery for this.
  

  I plan to  test with the original speaker (although it's only a cheapie) as a POC. Researching around the Dayton Audio Bass Exciter looks like it will operate down the the frequency range required (sub 50Hz), so I will source one of these eventually.

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