2012/01/10

Another poor man's surround headphones

Why I made some surround headphone at home?


I could make surround headphones.
Use legacy "matrix surround" or "hafler stereo" trick.
But feels natural.

Feature:

  • Real Surround sound! Audience crap hear from rear,You may hear large sound field.
  • Natural Hi-fi sound
  • No extra power source
  • Can "decode" normal stereo sources
  • Fully analog,passive,and acoustic effects



Make a Surround Headphone


Making of 2nd generation matrix surround headphone.

07140001.jpg
I disassembled 4 headphones. audio-technica ATH-EQ300 cheap ear-hook type headphone.
and
I made 2 speaker piramids.
Matrix Surround Headphone Gen.2
quad speaker at one side
inner view
It has 8 speakers.
stainless wire to head bands.

Advanced Setting
Current circuit.

R&D



My idea: Matrix sorround twist theory
L and `-R' add to matrix surround circuit,virtical channels appear.
ex. sorround speakers for left ear

L
L+R L-R
+R


My current researching: super many drivers.
I made another headphone.
It has 12 speakers.

3rd generation "rencon phone"
レンコンフォンII概観
レンコンフォンIIのカップ
レンコンフォンIIの内側
音像がはっきりする回路


Current circuit.

looks weired, but sounds good.
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