addad speaker improvement ideas

diff --git a/misc/portable stereo active speaker/index.org b/misc/portable stereo active speaker/index.org
index e85fa1f..0cef8d3 100644 (file)
--- a/misc/portable stereo active speaker/index.org
+++ b/misc/portable stereo active speaker/index.org
@@ -214,7 +214,6 @@ And attaches to the remaining components:
 
 [[file:front%20panel/attachment.png]]
 
 
 [[file:front%20panel/attachment.png]]
 

-

 * Extra capacitors
 Another thing that become clear during load-testing: output
 power/volume can be further enhanced by adding high power capacitors
 * Extra capacitors
 Another thing that become clear during load-testing: output
 power/volume can be further enhanced by adding high power capacitors


@@ -245,10 +244,12 @@ Download:
 + [[file:center%20box/center%20box.FCStd][FreeCAD file]]
 + [[file:center%20box/center%20box.stl][STL file]]
 
 + [[file:center%20box/center%20box.FCStd][FreeCAD file]]
 + [[file:center%20box/center%20box.stl][STL file]]
 

-

 * Conclusions / TODO
 * Conclusions / TODO

+Photo of initial PSU + audio amp test:
+[[file:initial%20test.png]]
+

 
 

-These things could be done better:
+Improvement ideas:

 
 + Instead of using undersized heatsinks on the audio amplifiers and
   need for active cooling as a consequence, it would be better to try
 
 + Instead of using undersized heatsinks on the audio amplifiers and
   need for active cooling as a consequence, it would be better to try


@@ -256,21 +257,15 @@ These things could be done better:
   would provide plenty of cooling and reduces power losses within
   cable, since amplifier would be as close to the speaker as possible.
 
   would provide plenty of cooling and reduces power losses within
   cable, since amplifier would be as close to the speaker as possible.
 

-+ I used agile design. That is, implemented functionality ad-hoc. If I
-  had done design in advance, then I could have had smarter connector
-  layout between main board and front panel. That is: Instead of
-  multiple smaller cables, one wide (multi connector) cable.
++ Add possibility to power device from USB socket in addition to
+  batteries.

 
 

-+ Screw holes are too close to the edges on the front panel.
++ Front panel:
+  + Use digital voltage indicator to gauge remaining battery power.

 
 

-+ It would be better if screw heads were slightly buried within
-  construction body.
+  + Add possibility to have multiple inputs.

 
 

+  + It would be better if screw heads were slightly buried within
+    construction body.

 
 

-Overall, it was good learning experience and I was able to test
-various ideas on it. Will add cooler later :)
-
-
-Photo of initial PSU + audio amp test:
-
-[[file:initial%20test.png]]
+  + Screw holes are too close to the edges on the front panel.