<kaz at kylheku dot com>
|July 25, 2011
|July 28, 2011
||Correction to RA-100 schematic:
input is not a phone jack.
Added recommendation to use light bulb limiter for smoke tests.
New photo section added at the end.
|Aug 28, 2011
||A better circuit version introduced!
|Dec 01, 2012
||Tweaks for better sound